Step 5 mix

3  1) Inthispositionthereismateonthebackrank.FurthermoreweseethatTd7ispinned.Soeliminationoftheprotectingpiece

winsmaterial:1.Te7Dd82.Txd7(betterthan2.Lxd8). 2)Ratheradifficultproblemtobeginwithbutitservesasanexamplethatthecorrectapproachcanhelpyoutotacklequitealot.

Thefirstthingthatstrikesisthepossibilityofadiscoveredordoublecheck.Whatdoweknowofthattheme?Therulesare:thefrontpieceattacksasecondtargetandthefrontpiecechasestheking(inamatingnet).Thatisbyfarnotall.Herewecanseethat:thefrontpiecepreventsescaping(frontpiecebecomesguard)andthefrontpieceeliminatesadefender.

Theprimitive1.Pc5+De7bringsnothing.Correctis1.Pe5+(chasestheking,guardssquareg6andinterferestheprotectionfromtherookone1.Suddenlyweseetherookasatarget:itisunprotectednow,sothereisasecondtarget.After1.…Kf8twotimeschasingisenoughforasuccessfuldoubleattackwiththequeen:2.Db8+De83.Db4+.

 3)Manywhiteattackersandsufficientblackdefenders,buttheyhindermainlytheirownking.Matebyaccessispossible:1.Ph5+Kh72.Dxh6+Pxh63.Pg5#

 4)Avulnerableking,enoughattackers.Thebishopcheckone7leadstoaquickmateandthereforeluringtheknightawaywilldo:1....Txd4+2.Pxd4Le7+3.Ka4Txa2+

 5)Avoidingstalemate(1.Dxf5?)andnotallowingacheckonc5:1.Dc7Dg62.Dg7+Dxg7+3.hxg7# 6)1.Dh5Dd3(1.…h62.Lxh6)2.Te4h63.Lxh6.Bringinginattackersandeliminatingtheprotectingpieceby

interfering. 7)Thevulnerablepositionoftheblackkingisdecisive.Theblackpiecescannothelptodefendimmediately.Blacktomove

wouldbecompletelysafeafterTd4.Whitethereforemusthurry. 1.Da2(thethreatDf7+istoodifficulttoparry)1....Tc4(1.…Dc42.Da7andtheknightcannotbeprotected)2.Da7e4

3.Pe6+.Alsowithoutthisknightforktheblackpositionishopeless.Also3.Td1(bringinginapiece)or3.g3De54.Pc6(eliminationofthedefender)arewinningeasily.

1.c6givesBlacktheopportunitytoattacktheknightwith1.…Td4. 1.g3Dc4andBlackholdsthewhitequeenatadistanceafterboth2.Dd1Dd5and2.Dd2Dd4. 8)1.Df8+(1.Db8+Kh72.Df8Dg5#)1....Kh72.Dxh6+Kxh63.Th3#.Bothkingsarevulnerable.Winningtimeis

essential. 9)1....Pxd52.cxd5!Pc53.a3and4.b4costsapiece,justas2....Pg5does.Capturingwithapieceond5isabettersolution

forWhite(thepairofbishops,betterpawnstructure).10)1....Dc1+2.Dxc1Tc6+.Defendingagainstapinbyluringawaythepinningpiece.11) 1....Dc4+2.Kg1De23.Db8+Pc8.Enteringonthesecondrankislogical.Itisimportanttoseeinadvancethe

interposingonc8.12)1.Da7+Lb7(1....Kc82.Dxb6)2.Ta6Db83.Dxb6+Kc84.Ta5.Vulnerableblackking(onlyafewdefenders).

ThankstothepinafterthefirstmoveWhitecanbringintherook.

4  1)1.f7Dxf22.fxe8D.Thankstoanin-betweenmoveWhitewinshisrookback.Hewillbetwopawnsup. 2)Thebishopisbeingattacked.Givingupthepairofbishopsisnotnecessary.Whichmovewiththebishoptochoose?The

mostactiveonedoesn’ttakethepossibilitiesoftheopponentintoaccount. 1....Le7!Thebishopcanquicklybecomemoreactive(f5inagoodmoment). 1....Lb6?2.Lb5.Thebishoponb6doesn’tprotectsquared6anymore. 1....Tc82.Pxc5Txc5. 3)1.Dg7+Txg72.Te8+Tg83.Txg8+Kxg84.Td8#.Moreattackers.TheblackmatingthreatforcesWhitetoact

quickly. 4)1....Pd32.c7Pe5+3.Kg3.Theonlysquarewherebytheknightcannotcontrolsquarec8withtempoorwinthenew

queenwithaknightfork(i.e.3.Ke4Pc44.c8DPd6+) 5)1....g5+2.Kg3De1+3.Kh3Dh4#.Thisismateinthree.Alsothecooperationofqueenandknightisfatal:1.…De5+

2.Kg4h5+3.Kh3Pf74.g3Df5.Thehumanmove;thecomputergives4.…Kh7and4.…Kg8asquicker.Also4.…De25.Kxh5De8+6.Kh4Dc8isnotobvious.

 6)1.Ta4Dc82.Ta8(thepin:chasingthefrontpieceandpin). 7)1....Pe42.Dd4Dxd43.Pxd4Pxc34.bxc3Txb1+.Exploitingthepinontheb-file.Preparatorymove:targeting. 8)1.d4+Dxd42.Tb5+Dd53.d4#.Winningtime.Thepawnsacrificeeliminatesthequeenasadefenderwithapin. 9)1.Dc8(1.Tbf1g4+2.Kh4Th2+3.Txh2Txh2#)1....g4+2.Dxg4+Pxg43.Kxg4(defendingagainstmate)10)1.b5Pc52.Lxc5bxc53.Db8+(eliminationofthedefence:chasingaway+captureanddoubleattack:queen)11) 1.Pd4+Kxe32.Lb6!.Settingupabatteryandzugzwang(everymovewillcostthebishop).12)1.Pf7+Txf72.Dxf7Df83.Txa8Dxa84.Dxg7#.Thecheckbytheknightservestoactivatethequeen,Blackmusttake

(1.…Kg82.Pe7#).Blackcanprotectg7butthequeencanbeluredawayinaneasyway.

5  1)1.Pb5cxb5(1....Dc52.Pc7+)2.Lxf7+Kxf73.Dxa3(lineclearinganddiscoveredattack)

 2)1.Df7De52.Pf8+(luring,chasinganddoubleattack:knight) 3)1.Txd6(1.Pxf8?Lc5+2.Kg3Txd13.Txd1Lg1)1....cxd62.Pxf8(defendingagainstapassedpawn) 4)1....Pxe52.fxe5Dxe53.Lf4(trapping) 5)1.Kg5(1.Kh5?Kg7;2.e6?Te7)1....Txe5+(1....Kg72.Ta7+Kh83.Kf6Tf8+4.Tf7)2.Kg6Te83.Kf7

Te14.Th6#(Ulrichsen 2001)Exploitingvulnerability:abadpositionoftheking. 6)1....Pf3+2.Kh1Pxg3+3.Pxg3Th2#Exploitingvulnerability:abadpositionoftheking. 7)1....Lc62.Dxd8Lxd8(trapping) 8)Difficult?No,notwiththecorrectapproach.Mateonthebackrankcatchestheeye.Thequeenond6must‘disappear’.Don’t

forgettheunprotectedrookona6.Thefirstmoveislogical:1.c5Lxc5(torefute1....Dd8theunprotectedrookisneeded2.Dc4Txa53.Dxd4)2.Dxc5Dxc53.Tb8+Te8(EasytomissbutharmlessherebecauseWhiteisalreadyapieceup)4.Txe8+Df85.Txf8+.

 9)Dangerofstalematebecausethebishopcontrolsb8. 1.Ld6.Givingawaythebishopislogical.Whyond6willbecomeclearfromthenextalternative.After1....Txd6+2.Db6

Blackwouldhavetopass.After2.…Txb63.axb6istheappropriatemove! 1.Lf6?.Thewrongchoicebecauseafter1.…Txf6+2.Db6Td6!(andnot2....Txb6+?3.axb6)Blackwillbestalemated

after3.Dxd6and3.Kb5Txb6+4.axb6Kb7asweknowsincefinishingStep3. 1.Db6?Txb6+2.axb6(2.Kxb6)isstalemate.10)1.g6hxg62.h6a23.Le5Kxe54.h7(defendingagainstapassedpawn)11) 1....De42.Dc1(2.Db1Tad8)2....Pe2+(chasinganddoubleattack:knight)12)1.Pd8+Kb8(1....Dxd82.Dc6+;1....Txd82.Da6+Kb83.Da8#)2.Txa8+Kxa83.Da6+Kb84.Db7#

6  1)1.Dd8+Kf72.De7+Kg83.Df8#(mateinthree) 2)1.Lf1Pe12.Lxc4Pxc23.Ld3Pa34.Lb2(thepin:pinandtrapping) 3)1....Dxd12.Txd1Lxc33.bxc3b2(thepin:luringthefrontpieceandattackingapinnedpiece) 4)1.Lg5Te82.Dxe8+Kxe83.Lxf6(combiningX-rayattack,luringanddiscoveredattack) 5)1.Dh8+Lg82.Df6+Lf73.De7+Kg84.Dxc5(targetinganddoubleattack:queen) 6)1.Dh8+Kg52.Le4Lxd53.Dh4#Exploitingvulnerability:abadpositionoftheking. 7)1.Tb4a1D2.Pb6+Lxb63.Ta4+Dxa4(defendingagainstapassedpawn) 8)Whiteisbetterduetoabetterpawnstructure.Allnormalmovesarepossibletomaintainthatsmalladvantage.Buthowto

increaseit? 1.Pb5.Whiteexchangesthebishopvand6.After1....Db82.Pxd6+(postponingtheexchangeismaybeevenbetter

becausethebishopcannotgoaway,i.e.2.Tfe1)2.…Dxd63.Lf4thebishopbecomesmoreactiveandtheblackkingissomewhatvulnerable.

1.g3.DisadvantageisthatBlackcanplay1.…Pe4:2.Dc2Pxd4Pxd4Ld7. 1.Tfe1.Nothingwrongwiththismovebutnowalso1.…Pe4ispossibleandafter2.Dc2exchangingond4followedby

thepinong4. 9)1.Dg2fxg2+2.Kxg2Le33.Kxh1(theoreticaldraw)10)1.Txf6Dc6(eliminationofthedefence:luringaway+mate)11) 1.Lb7T6xb72.Dxb7(2.Dc8+?Lxc83.Txc8+De8)(eliminationofthedefence:interfering)12)1.Dd6Dc62.Td8+Kh73.Dg6+Dxg64.hxg6+Kxg65.Txc8(seventhrank)

7  1)1.Dd4De7(1....fxg32.Dh8+Ke73.Dd8+Ke64.Dd6#)2.Dh8+Df83.Td8+Exploitingvulnerability:athreat

whichisdifficulttoparry. 2)1.c6Pxc62.Txc6+(thepin:apinnedpieceisnotagooddefender) 3)1....c22.Tc1Lb23.d7Lxc14.d8DLb2(cashinginapassedpawn) 4)1.Tf8+Lxf82.c5+Kh73.Lb1+Kg84.La2+(drawbyperpetualcheck) 5)Anand-Short 6)Picture 7)1....Dxh3(1.Lxa8Txa8)2.Ld5+Kh83.Lxa8(in-betweenmove) 8)1.f4+(1.Txg5?Td7+)1....gxf42.Te3+fxe33.f4#Exploitingvulnerability:abadpositionoftheking. 9)1.Td5!(1.dxc4+Kc32.Tc8Pd6)1....Pb6(1....Pf62.dxc4+Kc33.Tf5Pe44.c5;1....Kc32.dxe4)2.dxe4+

Ke33.Tb5Pc4(keepingthelastpawn)(Didukh)10)1....Dh1+2.Dg1Dxh3+3.Dg2Dxb3(eliminationofthedefencebyluringawayanddoubleattack:queen)11) 1.Dh3.Theonlymovethatlosesnomaterial.After1.…Lxg5Whitewinsbackthepiecewith2.e6.After1.…Df5

2.Pf3dxe5themove3.Pxe5ispossible. 1.Df4.Itlosesapawnafter1.…Pxe5andf7isprotected. 1.e6isniceexceptfor1.…Pxe32.exd7+Kxd7andPg5isalsohanging.12)1.Pf5+gxf5(1....Kf62.Pxd4;1.…Kg82.Tb8#)2.2.Dg5+(eliminationofthedefence:luringaway+mate)

Whitelurestheg-pawnawaytogivethequeenaccesstotheking.

8  1)1.Pxc4?(1.Td2)1....dxc42.Txd8Pxd8(and‘suddenly’thequeenisprotected)

 2)1.Ke6Kd82.Kf7Exploitingvulnerability:abadpositionoftheking.(Manvelyan 2015) 3)1....bxa4(1....Txa6?2.axb5Ta83.b6Pd84.b7Tb85.Tb6)2.Tb6a33.Lc4a24.Lxa2Txa2(creatingapassed

pawn) 4)1.Tf5!Txf5+(1....Kxe72.Txf6Kxf63.Kf4)2.Kg4Kxe73.Kxf5(cashinginapassedpawn) 5)1.Dg3g62.Txe6(attackingtheking) 6)1....Dh62.Dxh6gxh6(thepin:eliminationofthedefencebyluringaway) 7)1.Dd8+.Notsodifficult,moreover,allothermovesendinadisaster.After1....Txd82.Txe1Whiteisapawnup. 1.Dh5?Te2(interfering)2.Lxg7Dxd1+3.Kb2Pc4+4.Kc3Txc2+ (Mitov-Popov 0–1) 1.Dxd2loses,withoutforcingBlacktoplayadifficultmove:1.…Dxd22.Txd2Te1+ 8)1.Pb3+Kc42.Pxa5+Kc53.b4#(mateinthree) 9)1.Ta3+Ta72.Tf3Tf73.Ta3+(drawbyperpetualattack)(Amirjan 1987)10)1....Lc6(1....Kxe7?2.Dxd7+Kxd73.Pc5+)2.f3De3+3.Kh1Kxe7(in-betweenmove)11) 1....Dg4+2.Ke3De4+3.Kd2Dxb7(chasinganddoubleattack:queen)12)1.Pf5gxf5(1....Pe52.dxe5gxf53.exf6)2.Dh5+Kf83.Lh6+Kg84.Te3(kinginthemiddle)

9  1)1.Ta7+Tb72.Pxd6Txa73.Pc8+Kd74.Pxa7(luringanddoubleattack:knight) 2)1....Pxe22.Dxe2d6(morenormalthan2....0–03.0–0–0d64.Dd3Pe8althoughWhitehasnotmuchadvantage.Both

minorpiecesarenotveryactive)3.0–0–0Le64.Dd2d5. 1....Pc6coststimeandafter2.Dd2Blackhassomeproblemstosolve. 1....Pxb3TheonlyadvantageofthiscaptureisthatWhitegetsadoublepawn.Forthetimebeingitisnotweak.Thebishop

getsafootholdonc4andthec-filewillbeopened.After2.cxb3d63.Tc1winsatempo. 3)1....d52.Lxc4d4(in-betweenmove) 4)1.Le2+b52.Lg4Kb73.Lf3+Ka64.a4(defendingagainstapassedpawn) 5)1.b7(1.Tc1Tg2+2.Kf6Kd7)1....Ta72.Te1+Kd83.Te7Kxe74.b8D(cashinginapassedpawn) 6)1.Pe8+Txe82.Df6+Kh73.Dxf7+Kh84.Lxh6(attackingtheking) 7)1.Th5+Kxh52.Kf4b33.Th1#(mateinthree) 8)1.Pd6Lxd6(1....Pxf42.Dxf7+Kh83.Pxe8Txe84.Dxf4)2.Dxd5Tad83.Txe8+(eliminationofthedefenceby

interfering) 9)1....Pxd4(not1....Tfh82.Pxc6Txh23.Pxa7+Kb84.Pb5)2.Txd4Tfh8Combiningeliminationofthedefenceby

luringaway,pinningandanX-raycheck.10)1.Db3+Kxa6(1....Ka52.a7Dh13.Dd5+)2.Kc7Ka53.Db6+Ka44.Da6+(or4.Da7+)Exploitingvulnerability:

abadpositionoftheking.11) 1....Lb72.Pd5Dc63.Da7Dxd5(trapping)12)1....Le3+2.Kh1(2.Pf2Lxf2+)2....Dxf1+3.Lxf1Lxe4+4.Lg2Tf1#Exploitingvulnerability:material

supremacy.

10  1)1.h5hxg52.hxg6(discoveredattack) 2)1....Pxd42.Pxd4(2.Dxd4Dxd43.Pxd4Txb1)2....Txb13.Pc6+(3.Pb5+Txb5)3.…Kb6(gainofmaterialby

anin-betweenmove;defendingagainstadiscoveredattackbyprotecting) 3)1....Dd2+2.Kg3Dd6+3.Kf2Txa1(gainofmaterialbyanin-betweenmove) 4)1.c5Da62.b5(2.Txd4Te1+3.Kg2Df1#)(eliminationofthedefencebyinterfering) 5)1.Dxf7+Kxf72.Pe5+Ke73.Pc4(defendingagainstmate) 6)1.De3Dxc72.Lf6(defendingagainstadoubleattackbycounter-attack) 7)1.Lf5!exf5(1....e52.Lxh7e43.Lxe4+Kxe44.h7)2.h4c2(defendingbystalemate) 8)1.Pc4Theknightisgoodonc4.After1....Dc52.Pe4(nowBlackcanexchangehisbishopbutWhitehaslostnotime:

2.…Lxe43.Dxe4Pf64.De2andWhiteisabitmoreactive.Hewillcastlequeenside. 1.Pxg6hxg62.Pe4Pf6andnowisplayingtheknightviad2toc4isthebest.Thatcouldhavebeenplayedonthefirst

move.Inawaymoreconvenient! 1.Pe4Da5+isStep2. 9)1....Ta12.Kg2(2.Txa1Lxf3#)2....Txf1(thepin:eliminationofthedefencebyluringawayandapinnedpieceisnot

agooddefender)10)1....Tfe22.Pg4h5(eliminationofthedefence:chasingaway+mate)11) 1....Ld62.Da5(2.Dh5Df6)2....Lxh2+Exploitingvulnerability:abadpositionofthekingduetoinsufficient

defenders.(standardsacrificeonh2)12)1.Pxe4(1.Dxf6?gxf6)1....Dxd42.Pf6+(settingupabatteryanddoublecheck)

11  1)1....Kb42.Le6h33.Lxh3Kxb3.Endgametechnique:creatingasecondpassedpawn. 2)1.Td6+(1.Tc6+?Kb72.Txe6Td1+3.Ke5Txd8)1....Tb62.Tcc6Txc63.Txc6+Kb74.Txe6Exploiting

vulnerability:badpositionofthepieces.(Polasek 2015) 3)1.Le6+Kh8(1....Kf82.Dc5#)2.Lf7(eliminationofthedefence:chasingaway+mate) 4)1.Tc8+Kh7(1....Pf82.Txf8+Kxf83.Dh6+Ke84.Dh8#)2.Dh6+Kxh63.Th8#Exploitingvulnerability:abad

positionoftheking. 5)1....Lb5(1....d32.cxd3Lb53.Kf4exd34.Lxd3Lxd35.Kxe3Lc26.b4)2.Lxb5d33.cxd3e2(cashingina

passedpawn) 6)1.h6Txg3(1....gxh62.Ph5)2.Te8+Kxe83.hxg7(creatingapassedpawnwithabreakthroughandcashingitinwith

luringaway) 7)1.Ta8+(1.Txg7Dxg4)1....Tg82.Pe7Txa83.Pg6+Kg84.Le6#Exploitingvulnerability:abadpositionofthe

king. 8)1....Tb8+2.Ka1(2.Kc3Da5+3.Kd3Td8)2....Td83.c3Txd4(thepin:chasingthefrontpieceandattackinga

pinnedpiece–crosspinandin-betweenmove) 9)1.Lxh6Thisexchangeisonlygoodwhenthereisadirectwin.Thatistrue:1....Lxh62.De5.Theknightcomestovisit. 1.Pa3GooddevelopmentalthoughBlackcanlimitthedamageby1.…Pf52.Dxe7+Kxe7.Itisnoteasytofinishthe

developmentandthekingisnotquitesafeone7. 1.Le3Pf52.Dxe7+Kxe7doesn’tdiffermuchfromthepreviousline.10)1.Dh6Pe62.Te1Te73.fxe7Te84.Dd2(attackingthekingandeliminationofthedefence)11) 1....Lxf32.gxf3Dxd23.Dxd2Pxf3+4.Kg2Pxd2(capture,luringanddoubleattack:knight)12)Theblackkingisonthebattlegroundbutcannotintervene(yet).SoBlackmustmakeaccess. 1....a5(itislogicalistolookat1....c4first,butthewhitekingisamazinglyquicklyback:2.bxc4Kc53.Kg4Kxc44.

Kf4Kb55.Ke4Ka46.Kd4Kxa37.Kxc3a58.Kd2Kb29.c4withadraw.Also1....Kb5doesn’tworkbecauseafter2.Kg4a53.Kf3a4Whitegetsinthesquareofthec-pawnwith4.Ke2andthebreakthroughdoesn’tsucceed)2.Kg4(isnochanceafter2.a4c43.bxc4Kc5)2....a4(thatisthedifference:thewhitekingisn’tinthesquareofthepawnyet:3.bxa4Ka54.Kf4Kxa45.Ke3Kxa3).Theextrac-pawnprovesitsvalue.

12  1)1.Ka6(1.Ka8?Kb52.c8DTa1+3.Kb7Ta7#)1....Pe72.c8DPxc8(stalemate) 2)1.b3Dc52.Txf7(chasingawayandapinnedpieceisnotagooddefender) 3)1.f8D+Txf82.Lb4+Ke63.Kxf8(3.Lxf8Kd54.Lc5a55.Kg6a46.Kf5a3)(keepingthelastpawn) 4)1.Lg5(1.g3?Txg3+2.hxg3Dxg3+3.Kh1Dh3+4.Kg1Tg8+)1....Txg52.Dxg5fxg53.gxh3(defendingagainst

mate) 5)1....Tg32.fxg3Dxh2+3.Kxh2Th6+(attackingtheking) 6)1.Dg6+Kf82.Dxe6Dd73.Tf1+Exploitingvulnerability:abadpositionoftheking. 7)1.Dxd4Dg5+2.Dg4(apinnedpieceisnotagooddefender) 8)1.Pf8+Kg82.Pg6Th73.Pe7#Exploitingvulnerability:abadpositionoftheking. 9)1....Pxd4Thatlooksscarybutif2.Dh6+Kg8isnomatethenitisafinemove.Whitehasonlyaqueen,rookandg-pawn

intheattack.Besidesthatthepositionofthewhitekingisvulnerabletoo. 1....fxg62.Pe6+costsmaterial. 1....hxg62.Dh6+willbemate.10)1....Txg2+2.Dxg2Txg2+3.Kxg2Dg7+4.Kh1Dxe5(luringanddoubleattack:queen)11) 1....g5(trapping)12)1....Te1+2.Kd2Td4+3.Kc2Le4+4.Kb2Tb1#Exploitingvulnerability:abadpositionoftheking.Chasingtheking.

13  1)1.Dxd6Dxd62.Txd6Pg4(discoveredattack) 2)1....Lxd4+2.Txd4Txd43.Kxd4Pxf3+(luringanddoubleattack:knight) 3)1.Le2Dg5(Pxe6)(discoveredattack) 4)1.Pf5+gxf5(1....Kf62.Tde1)2.Tg3+Kh73.Th3(attackingtheking) 5)1.a4!(1.Kb2?Kb6!2.Kb3Kb53.Kc3Kc5)1....Kb62.a5+!(2.Kb2?Kc5)2....Kxa53.Kb2Kb54.Ka35.Ka4

Kxd56.Kb5Kd67.Kb6!(7.a4?Kc7)7....Kd78.Kb7Holdingoffandpreventholdingoff. 6)Blackhassacrificedapawn.HehasnoleadindevelopmentandthequestionisifLg4issouseful,becauseb7isweak.How

doesBlackwinhispawnbackorgetscompensation? 1....f6.Youwillfindthismovebythinkingitthrough,evenifitwouldnotbegivenawayinthelistofthree.Thee-pawn

mustadvancebutasitwillturnoutlaterthemovee6istooslow.Nowe5willfollowonthenextmove.Whitecannotallowhimselfwildactionsas2.b4e53.Lg3Pxb44.Db3Lxc55.a3Pc66.Dxb7Pge7.Actionswithasinglepiecearemostofthetimenotdangerous.Also2.a3e53.Lg3isnotgoodforWhitebecauseafter3.…a5!4.Pe4a4Whitecannotstopc5anyway(Lxc5).Abetterplanistochasethebishopawayfirst:2.h3Ld73.a3e54.Lh2e55.Pe4a4.Blackwillgethispawnback.

1....Pf6.Adevelopingmovebutnotgoodenoughtogetcompensationforthepawn.Whitecanplay2.Pe5(withoutPc6themoveb4willbepossible)or2.Db3.BlackwillnotwinhispawnbacksoeasilyandifhedoesWhiteisreadywithhisdevelopment.

1....e6.Tooslowafter2.Db3Dd7(2.…Lxc53.Pe5)3.Pe5Pxe54.Lxe5f65.Ld6 7)1.Pe7+Kh82.Tf8+Txf83.Dxe5+Exploitingvulnerability:abadpositionoftheking. 8)1.f8DPxf82.Kf6Kd43.Kf5Ke34.Kg4Pe65.Kh5Winningthelastpawn. 9)1.Tg5(1.Tb7+?Kf8)1....Lf8(1....Lf42.Tf5+Kg63.Txf4)2.Tg7+!(2.Txg8?Lxh6)2....Lxg7+(2....Kf6

3.Kxg8)3.hxg7Exploitingvulnerability:badpositionofthepieces.10)1....bxc6(1....Txc6?2.Txf7Dxd53.Txg7+Kh84.Td7+Kg85.Txd5;1....Dxd52.Pe7+Kh83.Lxg7+Kxg7

4.Pxd5)Choosetherightcapture:eliminate.11) Picture12)1.Kg5Le8+2.Kh6Lf73.e8DLxe84.Df6+(cashinginapassedpawn)

14  1)1....Dxd4+2.Txd4b53.Tc2bxc4(eliminationofthedefence:luringawayandattackingapinnedpiece) 2)1....a52.Pd3b53.Lb3(chasing,targeting,interferingandtrapping) 3)1.Tb8+Lxb82.Te4+Pd4(defendingbystalemate) 4)1.Dxh6Lg52.b4De5(maintainingtrapping) 5)1.Le7Txe72.Txf8(eliminationofthedefence:interfering) 6)1.Kh4Kh6(1....Pf22.Kg5Kg73.Kf5)2.Pe6Lxe6(drawbystalemateofinsufficientmaterial) 7)1.Db7+Kd62.Dd7+Kc53.Da7+(chasingandX-raycheck) 8)1.Pd5.Thisseemsveryeasybecauseofthedoubleattackafter1....exd5(losingbutafter1....Dd82.Pxe7+Dxe73.

Lf4Blacklosesapawninbadposition)2.Dxd5+Kh83.Txf8+(acaptureona8doesn’twinanexchangebecausee3remainshangingandBlackisjustbetter–White’skingisvulnerable)3.…Lxf84.Dg8#

1.Txf8+Lxf8nowis2.Pd5isstillthebestmove(otherwisePc3andLa2willloseactivitybecauseBlackcanplayKh8)but2.….Dc5holds.

1.Db6.Blackexchangesandplays2.…Tb8and3.…Pe5.Notdirectly3.….Pe54.Pd5. 9)1.Ld5+Kh82.Te3(clearingandX-rayattack)10)1.Ta4+Kxa42.Lc6+Ka53.b4+Ka64.Lb5#Exploitingvulnerability:abadpositionoftheking.11) 1....Lc22.Tb6+Kf7(2....Ke73.Pe3Ta1+4.Pf1Ld3)3.Pe3Ta1+4.Pf1Ld3Exploitingvulnerability:bad

positionofthepieces.12)1....f42.Df3Pxf2+3.Dxf2Lg4+Exploitingvulnerability:abadpositionoftheking.

15  1)1....Tc12.Txc1Dxe3+3.Kh2Dxc1(defendingagainstmate) 2)1....Pxc32.Lxc3Ta43.Dxb7Lxc3(eliminationofthedefence:chasingaway+material) 3)1....Kb8(1....Lb72.Kxa2Da5+3.Da4)2.De8+Ka7(2....Kc7?3.Dxe7+Kb84.Df8+Ka75.Tg7+)3.Dd7+

Allowingperpetualcheck.Interposingandmovingawaylose. 4)1.Ta2Dxa22.f8D+Ka73.Df2+Dxf2(drawbystalemate) 5)1....Lxe42.Dg3Dxg33.Pxe4+Kxf54.Pxg3+(luringanddoubleattack:knight) 6)1....Dd1+2.De1(2.Kh2Ld6)2....Dxe1+3.Pxe1Td8Exploitingvulnerability:badpositionofthepieces. 7)1.Pd7+Pxd7(1....Kg82.Dxe7;1....Ke82.Pxf6+)2.Dxe7+Kxe73.Txd7+Kf64.Txb7(luringanddouble

attack:rook) 8)1....Td1+(1....Dxb1?2.Dxd8+Txd83.Txb1)2.Txd1Txd1+3.Txd1Lxc7(discoveredattack) 9)1....De1+2.Kh2Pg4+3.hxg4Dh4+4.Kg1Td1+(matebyaccess)10)1.Pxe5.Thecorrectchoice.Whitehasabetterpositionafter1....Lxe22.Dxe2Lxe5.Whitehasmorespaceandthe

backwardpawnone7isaweakness.ItisevenbetterifyousawthatWhitedoesn’tneedtorecaptureone2:2.Da4+isverystrong:2.…c63.dxc6b54.cxb5bringsintwopawns.

1.0–0.Healthydevelopmentbut1.…Pf7isapassivemovebutafirmdefence,i.e.2.Le3c5(controlsanimportantsquareinthecentre).

1.Pd4.ExchangingbishopsisagoodideabutBlackplays1.…Ld7readytotaketheknightwhenitcomestoe6.11) 1.Lb7Ke72.b6axb63.a7(creatingapassedpawnbyabreakthrough)12)1.Txh6+gxh62.f6+Kg83.De8+Kh74.Dxf7#(matebyaccess)

16  1)1.b4+Kxb42.Ke6(cashinginapassedpawn) 2)1.Pc7(thankstoX-rayattack)1.…Ta7(1....Pxc72.Tc1Pb53.Txc8)2.Pxb5 3)1....Ta42.Tbd1Txa3+3.bxa3Dxa3+4.Kb1Tb8+(attackingtheking) 4)1....Pb42.Db1(2.cxb4Qxc23.Bxc2Bxc2winstheexchange)2....Pxd33.Pxd3winsmaterialbyanymoveofthe

rooktod8ore4. 1....Lg4.Avoidingtheexchangingofbishopswouldbethebestmoveifthepreviousmovewasn’tabetterone. 1....Le6.Seethesamepreviousremark. 5)1.Lxc7Txc72.Txb4Tac8(liftingthepin) 6)1.c8DTxc82.Tf3+Tc3(2....Ka43.Th3;2....Kb43.Th3)3.Th3Txh3(defendingbystalemate) 7)1.Ph3+Kh5(1....Kg62.Pe7+)2.Pf4+Kg53.h4#(chasinganddoubleattackormate) 8)1.Le7+Kg72.Pe3Dg13.Pf5#Exploitingvulnerability:abadpositionoftheking. 9)1.Td3+Kc82.Te8+Kb73.Td7+Ka64.Ta8#(chasingandmate)10)1.Pxe7+Txe72.e4(eliminationofthedefence:luringawayandattackingapinnedpiece)11) 1.Kd6!(1.Ta7?Te6!(1....Txe5+?2.Kd6))1....Txe52.Ta7Tb53.Ta8+Tb84.Txb8#Exploitingvulnerability:

abadpositionoftheking.12)1....Kd82.Kc2(2.f7Td1+3.Kc2Tf1=)2....Ke8(2....c53.f7Ke74.f8D+Kxf85.Txd7+–)(defendingagainsta

passedpawn)

17  1)1....Te7(1....Dd82.Df7+Kh83.Txh6+;1....Db52.Df7+Kh83.Txh6+)(defendingagainstmate) 2)Blackmustbesatisfiedwithequalplay.Pawnd5isweakerthand4andtheknightisanywayactiveatthismoment.White’s

weakbackrankplaysarole. 1....Tc7.Protectsb7sothatDa5orDe6willbepossible.After2.Dxd5Blackcanplay2.…Dxa2 1....Tc2.Activebutonerookonlycannotdomuch,pawnd5cannottobeprotected.Whitemakesanescapesquarewith

2.g3toavoidbackrankjokes. 1....Dxa2istoooptimisticandcostsaqueen:2.Dd1. 3)1.Pa5Txb22.Pc6Dxc33.Pxe7+Exploitingvulnerability:abadpositionoftheking. 4)1.Dd6+Kg82.De6+(2.Te8+Txe83.Dxf4Te1+)2....Kh73.Dh3+Kg84.Dxc8+(doubleattack:queenandin-

betweenmove) 5)1.Tgf6+Kg42.Kg2(2.Kh2?Df3)2....Dd5+3.f3+Exploitingvulnerability:abadpositionoftheking. 6)1.Pa4bxa42.Pxc8(clearingandtrapping) 7)1.fxg8PTxf6+2.Pxf6+Kg63.Pxd5(liftingthepin,minor-promotionandknightfork) 8)1.Ka1(1.g8DTb2+2.Ka1Tb1+)1....Tb32.Th5(avoidingstalemate) 9)1....b52.Pxb5(2.Dxc5Txc5)2....Lxb53.Lxb5+Dxb5(thepin:attackingapinnedpiece)10)1....Dd4+2.Tb2Dxb2+3.Kxb2Ld4+4.Ka3b4#(matebyaccess)11) 1.Dxd5e42.Lc4(clearinganddiscoveredattack)12)1.0–0(1.Pg1La62.c4c53.Dxd5Lb7)1....Dxe2?2.Tfe1(defendingagainstmate)

18  1)1....Dd62.g3Tfb8(targetingandtrapping) 2)1.Df6+Ke42.De6+Kd33.Dh3+(chasingandX-raycheck) 3)1.Dxc6+Ke72.Dd6+Lxd63.cxd6+Kxd64.Lxd4(chasinganddiscoveredattack) 4)AtamesetupbyWhiteandthatiswhyBlackhashisbishoponf5(mostofthetimeitisstillonc8).Themovewiththe

knighttoe4ishowevertooearlyevenifitthreatenssomething. 1.Lxe4.NowWhitewinsapawnorcanfinishhisdevelopmentwithtempo,i.e.1....dxe42.Pg5Dd53.c4or1....Lxe4

2.Pxe4dxe43.Pd2f5(3....Dd54.Lxc7)4.Db3Dc8andnow5.d5tomaketheblackkingmorevulnerableor5.f3. 1.Dc2protectsthebishopbutafter1.…Pxd22.Dxd2Lxd33.Dxd3Ld6thetensionisgoneandthechancesareequal. 1.0–0Pxc3Whiteknowsnowwhatwasthreatening. 5)1....Lf22.Txf2(2.g3De3)2....Dxh4+3.Kg1Dh2+4.Kf1Pe3#(eliminationofthedefencebyinterfering) 6)1....Pxe52.Pxe5Lxe53.Pf6+(discoveredattackandapinnedpieceisnotagooddefender) 7)1....Lc52.Pxc5(2.Dxc5Dxg2#)2....Txe1+3.Dxe1Dxg2#(thepin:eliminationofthedefencebyluringaway) 8)1....Dxg4+2.Kxg4Lf5+3.Kh5g6+4.Kh4Th3#(eliminationofthedefence:luringaway+mate) 9)1.Lxd4Dxe22.Pf6+Kf83.Pxh7+Kg84.Pf6+Kf8(4....Kg75.Pxe8+)5.Ph7+(5.Pd7+)(drawbyperpetual

check)10)1....Dh5+2.Ke1Txg1+3.Dxg1Df34.Lc3Th1Exploitingvulnerability:badpositionofthepieces.11) 1.Db8h62.Tf8Dxc43.Txg8+Dxg84.Tf8Exploitingvulnerability:abadpositionoftheking.Backrank.12)1.f3!(1.Kb7?Kc5!2.Kxa8Kb63.a7Kc74.f3Kc85.f4gxf4;1.a7?Ke5!2.f3Ke63.Kb7Kd6)1....Ke5(1....

Ke32.a7Kxf33.Kb7g44.Kxa8g35.Kb8g26.a8D+)2.Kb7Kd63.Kxa8Kc74.Ka7Kc85.Kb6Zugzwang.

19  1)Timman-Kasparov 2)Picture 3)1.Lg8+Kg62.Df7+Kg53.h4+Kg44.Df3#(mateinmistake) 4)1.g7Lxg72.Dh5+Kf8(2....Kd83.Pe6#)3.Ph7#(mateinfour) 5)1.Tf8+Kxf82.Pg6+hxg63.Dh8#(mateinthree) 6)1.Ph4Df62.Pxf5Dxf53.Lg4(thepin:luringthefrontpieceandpin) 7)Thewhitepawnsontheking’swingareadvancedprettyfar.Counter-playonthequeen’swingmuststartyet. 1....Pxd42.Dxd4Dxd4Exchangingqueensisinprinciplefavourableiftheopponentattacksbutafter3.Txd4Whitealso

destroyspawnstructurewith3.…e54.Pd5(4.fxe5Lxg5+)4.…Bxg5and5....exd4. 1....Td8.Whiteplayshisknightawayfromd4andcontinuestheattack:i.e..2.Pb3b53.g6. 1....Ld7.Whitepreventsthetotalexchangeond4.Besidesmovingtheknight2.Pce2isapossibility. 8)1.Ta8Kf72.Txe8Kxe83.Lc6+(luringanddoubleattack:bishop) 9)1.Lxe4Pxe42.Dxe4Ld6(discoveredattack)10)1.Dc8+Ka72.Db8+Ka63.Ta5+Kxa54.Db5#Exploitingvulnerability:abadpositionoftheking.11) 1....Txh3+2.gxh3Dg3+3.Kh1Dxh3+4.Kg1Tg6+(attackingtheking:access)12)1....Pa82.e4dxe43.Kxe4Pb6(pawnb2cannotbeprotected)

20  1)1.Dh4h52.Pe4(weakness) 2)1.Ph7+Kg82.Pf6+Kf83.Th8+Lxh84.Dg8#(attackingtheking) 3)1....La52.Td4Lc33.Td1Lb4(eliminationofthedefencebychasingawayandthepin:attackingapinnedpiece) 4)1.e5Kc5(1....c52.e6Kb33.Kd2Kb24.e7c45.e8Dc3+6.Kd3c27.Db5+)2.Ke4Kb63.Kf5Kc74.Kf6

(pawnrace,holdingoffandhelping) 5)1....Tg2+2.Kxh3Tg3+3.Kh2Tg4(3....g44.Df1+Kxf15.Kxg3)Exploitingvulnerability:abadpositionofthe

king. 6)1....b62.Dxg4La6+3.Ke1Dg1+4.Kd2Dxf2+(attackingtheking) 7)1.Lf7+Kh72.Lxe8Dxe83.Dxh6+(thepin:chasingthebackpieceandapinnedpieceisnotagooddefender) 8)1.Txh7+Kg52.Tcf7Kg4(2....Td83.f3)3.Kg2Exploitingvulnerability:abadpositionoftheking. 9)1....Lxc3.Blackmustcaptureonceonc3.WhitehasthepairofbishopsbutBlackabetterpawnstructure. 1....exd4.After2.Pd5Lc5(2.…Pxd53.cxd5costsmaterial)3.Lg5Whitehasdifferentpossibilitiesafter3.…Pe5

4.b4.Winningthepawnbackorcaptureonf6andLh6. 1....Pxd4.Thesilliestmove,after2.Da4+Pc63.Lxc6+.10)1.Tc6+Kf72.Txc4Txc43.Pd6+(chasing,luringanddoubleattack:knight)11) 1.axb4Dxa12.Lb2Dxd1+3.Dxd1(trapping)12)1.Pf6+gxf62.Dg6+Kf83.Dxf6+Ke84.a3De75.Dh8+Exploitingvulnerability:materialsupremacy.

21  1)1....Lg22.Lxg2Dh2+3.Kf1Pe3+(attackingtheking:gainofmaterialbychasinganddoubleattack:knight) 2)1.La7b52.Ke4b43.Kd3b34.Kc3b2(defendingagainstapassedpawn–dividethetasks) 3)1.Pb6+axb62.Da3+Kb83.Lf4+(discoveredattack) 4)1.Lf6.Thepawnwillnotescape.Thisbishopisrelativelythebestpieceoftheboardandthatoneyoudon’texchange. 1.f5.Premature,after1.…gxf52.Lf6isstillthebestmove.Flexibleplayandkeepingthepossibilitiesopen:f5canbe

playedlater. 1.Lxd4.GoodmoveifBlackwouldbeobligedtocapturebuthecaninsert1.…a6. 5)1.Dxa5Pxa52.Lc7(eliminationofthedefence:chasingaway+material) 6)1.Pxd5Dxd52.Lc4Lb4+(eliminationofthedefencebyinterfering) 7)1.Pf6+gxf62.Dg8+Tf83.Dxd5(eliminationofthedefence:luringaway 8)1.Lc5+Kb52.T1a4Exploitingvulnerability:abadpositionoftheking. 9)1....Th4+2.Lh3Txh3+3.Dxh3Dc6+4.Dg2Dxe8(eliminationofthedefencebyluringawayanddoubleattack:

queen)10)1....Dg5(1....Te22.Td8)Exploitingvulnerability:badpositionofthepieces.11) 1.Th5+Kxg42.f3+Dxf3+3.Dxf3#(mateinthree)12)1.Txe7+Kxe72.Dd6+Ke83.Pf6+gxf64.exf6(kinginthemiddle)

22  1)1.Th5Th82.d6Lf63.Dxc5(attackingthekingandeliminationofthedefender) 2)1....Lc5+2.Kh1Pg3+3.hxg3Dg54.f4Dh6+(attackingthekingbyaccess) 3)Whiteistwopawnsdown.Winningonebackiseasy.Inwhatwaydoeshekeepthemostchancesforadraw? 1.Dxa4.Rulesofthumbareusefulbutneverapplythemblindly.Exchangenopieceswhenyouarematerialdown.Helpful

rulerulebutmoreimportantiswhatwillbeleftontheboard.WithexchangingqueensWhitecanmakemanyblackpawnsweak:1...bxa42.Tfd1(strong:thethreattowind6forcestopassivityandluresarookawayfromthebackrank–2.Tc4isnothandybecause2.…d5canfollowandstupidbecause2.…Pd2wins)2.…Tc63.Tc4f54.g4withalotofplay.Stilltwopawnsdownsbutthatwillchangequickly.

1.Lxe4Dxe42.Dxd6Dc6.ItwinsapawnbutBlackisahealthypawnup,noweaknessesandamajorityatthequeen’swingandthatwillproducelaterapassedpawn.

1.Dd5.ThemoveplayedinanU10game.After1.…Te52.Db7Tce8isthepositionoftherooksimprovedandWhiteisstill2pawnsdown.

 4)1.Pf5+gxf52.Tg8+Kh63.Th8+Kg54.Tbg8#(eliminationofthedefencebyblocking) 5)1.Txa7+Kxa72.Lf2+Ka83.Tg4(defendingagainstmatewithtempoprotect) 6)1....Lc72.Lg2Dxb7(discoveredattackandinterfering) 7)1.Dh8+Kg52.Dg7+Kxh53.g4#Exploitingvulnerability:abadpositionoftheking. 8)1....Lb2(1....a1D?2.Tc8+)2.Ta4a1D3.Txa1(cashinginapassedpawn) 9)1.g4(1.h4T8f72.g4?)1....c4(thepin:attackingapinnedpiece)10)1....b62.Ld3Ta8(trapping)11) 1.g6h62.Dh5(attackingtheking)12)1.Tb4Le62.e5Tb63.Txb6Kxb64.Pxe6(luringandeliminationofthedefenderbycapturing)

23  1)1.Tg6(1.Tg8+?Kb72.Tg6Dh83.Tg7+Lc7)1....Dh72.Tg8+Kd73.Tg7+Dxg7(drawbystalemate) 2)1....Tc82.Db3Txc1+3.Txc1(eliminationofthedefencebyluringawayandthepin:attackingapinnedpiece) 3)1.Dh8+Kf72.Th7+Ke63.De8+Kd54.Txd7Exploitingvulnerability:abadpositionoftheking. 4)1.Kf5Kh62.Kf6Kh73.Kf7Kh64.Th2+Kg55.f4+Kxf46.Txc2(chasinganddiscoveredattack). 5)1.Pxb4Da52.Dd2Pe4(2.…e53.Pxa6)(eliminationofthedefence:chasingaway+material) 6)Whitehasasmallleadinthedevelopment.BesidesBlacks’pawnformationonthequeen’swingisdamaged.Squareb6is

weakandpawnc5isintheway. 1.Pc4.Nevertheless,itwinsatempobecausethequeenmustplay:1....Dxe4(1....De72.Pd6+is)2.Pxe4andBlack

hasnodefenceagainstit,atleastalossofapawn:2.…Pf63.Ped6+Ke74.Lxc5or2.…b53.Pcd6+Lxd63.Pxd6and4.Lxc5.

1.0–0–0.Excellentpossibility.Bothafter1.…Pf62.Dxe5+Pxe53.Pc4andafterexchangingqueens. 1.Lc4.DevelopingmovebutthebishopstandsPa3intheway.Blackinterceptstheattackonf7with1.…Dxe42.Pxe4

b53.Le2c4. 7)1....Dxg2+2.Kxg2Tb2+3.Df2Txf2+Exploitingvulnerability:abadpositionoftheking. 8)1.Dh7+(1.Dh8+Kf72.Dh5+(2.g8D+Txg83.Dxf6+Ke8)2....P7g6;1.Pxf6+Kf7)1....Kxh72.Pxf6+Kh6

3.Lc1#(attackingthekingmagnet) 9)1.Dxf4Dxf42.Td8+Kf73.Tf8+Kg64.Txf4(luringandchasinganddoubleattack:X-raycheck)10)1.g6+Kg82.Td6Kf83.Lg5andBlackhassomeinnocentchecks.Exploitingvulnerability:abadpositionoftheking.11) 1.c5+Ke62.Th7Exploitingvulnerability:abadpositionoftheking.12)1....Pf4+2.Txf4Dg2+3.Kh4Txf4#(mateinthree)

24  1)1....Tf1+2.Txf1De23.Tf2Dd1+Exploitingvulnerability:athreatwhichisdifficulttoparry. 2)1.Ta7!h1D+2.Th7Dg13.Tg7+(defendingagainstapassedpawn) 3)1.Lxh7+Kxh72.Dh5+Kg83.Tf8+Kxf84.Df7#(attackingtheking:access) 4)1....Ld8!2.Dd4b4(eliminationofthedefence:chasingawayandthepin:attackingapinnedpiece) 5)1.Tdxd5Txd52.Dc8+Td83.Txe6+fxe64.Dxe6+(kinginthemiddle) 6)1....Pxe42.Lxe4(2.Pxe4Lxh4)2.…Lxe43.Lxe7(in-betweenmove) 7)1....Te62.Db3(2.Tfe1Th63.Pf1Txf4)2....Th63.h3Lxh3(attackingthekingandbringinginpieces) 8)1.Txe7+Kxe72.f4Lxc33.Ld2+(luring,chasingawayanddiscoveredcheck) 9)1.Pf5.Possiblebecauseoftheindirectprotectionofthequeen(1.…Dxh52.Pxg7+gainingapiece).Blackisinabad

shapeandanextrawhitepieceisdisastrous:1....Lf62.Pd6+Ke73.Dxg6fxg64.Pxb7;1....Kf82.Dxg6fxg63.Pxg7;1....Tg82.Dxg6fxg63.Pd6+;1....Pd72.Dxg6and1....Lf8(isrelativelythebest)2.Dxg6fxg6

1.Dxg6fxg62.Ke2AdvantageforWhite(betterpawnstructure,betterpieces)butquiteajobifBlackwouldsuddenlystartdefendingverywell.

1.De2.Itgivesalmostalladvantageawayafter1.…Dxe42.Db5+Pd7.10)1.Dg6Pf8(1....Pf62.Txf6)2.Df7+Kh83.Dxf8+(attackingtheking)11) Picture12)1.Txh6+Pxh62.Df6+Kh73.Ld3+Exploitingvulnerability:materialsupremacy.

25  1)1....e5(1....Le72.Pxf6)2.Pxf6Lc5(defendingagainstapin) 2)1.T1b5+Ka62.T5b6+Ka53.Ta6+Txa64.Tb5#Exploitingvulnerability:abadpositionoftheking. 3)1....Pxe32.Pxe3(2.Dxe3Txc4)2....Pc5)(eliminationofthedefence:chasingaway+material) 4)1.Dh3h52.Dxc8Txc83.Pxf7+(doubleattack:material+threat) 5)BlackisapawnupinthisgameU10. 1....fxe4.Thepositionhastobeopened.Tf8becomesactiveanditallows2.Txe4Pf3+3.Kh1Pxd24.Dxd2

Lxc3possible.Whiteisluckythattheblackkingisong8becausenow5.Dd5+preventstotaldamage.Therookendingafter5.…Df76.Dxf7Txf7issomewhatbetter.

1....f4.ItisthemoveBlackplayedbutafter2.f3or2.Pd5thereisnocompensationforthepawn.TheactivityofLe5andTf8isreducedandPd4willbechasedbacksoon.

1....Tce8.Notagoodmove.Whiteplays2.f4Lf63.Kh1or3.Pd5. 6)1.Da8+Te82.Pde7+Kf83.Dxe4(discoveredattacksettingupabattery) 7)1.Pf6+Kh8(1....Lxf62.Dxh6+Kxh63.Th3+)2.Pxe8(attackingtheking:access) 8)1.Lxe7!Ke5(1....Ke42.Lf6Kf43.La1Ke44.Kxh6)2.Lf8Kf63.Lg7+Kxg7(3....Kf74.Kxh6Kg8

5.La1)(defendingbystalemate) 9)1.hxg4Pf3+(1....Dh42.f3)2.gxf3Dh4(eliminationofthedefencebyblocking)10)1....f5+(1....gxh5+2.Kxh5Kb63.Kg6Kb54.Kxf6Kxb45.Ke7Kc56.Ke6andWhitewins.)2.Kg5gxh5

3.Kxh5Kb64.Kg5Kb55.Kxf5Kxb46.Ke4(6.Ke6?Kc5)anddraw.11) 1.Tg7+Kf8(1....Ke82.Tg8+Kf73.Tg6Lxg4+4.Txg4f1D5.Tf4+Dxf4)2.Tg6f1D(2....Lxg4+3.Kxg4)

3.Tf6+Dxf6(defendingagainstapassedpawn)12)1.g4Lg62.g5Ph53.f4(chasingandtrapping)

26  1)1.Txh5gxh52.Df5Kf83.Dh7(attackingtheking:access) 2)1.Ta1Db42.Dxb4axb43.Lxa6(3.Txa6)(thepin:chasingthefrontpieceandapinnedpieceisnotagooddefender) 3)Black’spositionisexcellent:betterpawnstructureandactivepieces. 1....Pg4.Verystrong.Blackmustnotbeafraidofadoublepawn.After2.Dxb6axb6pawna2ishangingandPf2is

threatened. 1....Tfd8Preventstheexchangequeens.BlackcertainlyhasanattackagainstthewhitekingalthoughWhitehassufficient

defenders.Certainlynotabadplanbutlessgoodthanthemovewiththeknight. 1....Dxe32.Pxe3.BetterforBlackbutillogicaltoletthewhiteknightcomeintoplay.

 4)1.Dd7Pxd72.Tg8+Ke73.Pf5#(eliminationofthedefencebyblocking)Quitenice!. 5)1....Tg22.f6Lb5+3.Ke1h2(3....Tg1+4.Kf2h25.Pg3Txg36.Td1)(cashinginapassedpawn) 6)1.Pxd5Dxd52.Lxf6Lb7Thisin-betweenmoveandwithamatingthreatpreventsthewinningdiscoveredattackwith

Lh7+. 7)1.a4!(1.Kd4?Le82.Kc4(2.Kd3Lb5+)2....Kxe33.Kb4Kd44.a4Lxa4(4....Kd55.a5b5)1....Lc2(1....Le8

2.a5!bxa53.Kd4)2.a5bxa53.Kd4(wrongbishopthankstolinechangingofthepawn) 8)1....b4(otherwise2.b4)2.cxb4Kf63.Ke3Ke64.Kd2(makingaccess) 9)1.Txd4(1.Lb5c6;1.Ta8+Kd7)1....Dxd42.Ta8+Kd73.Dxd4+(luringandeliminationofthedefenceby

interfering)10)1.h6Lf82.Dh4(chasingawayandthepin:attackingapinnedpiece)11) 1....Pe5+2.Kf4Ped3+3.Kg5Pe4+4.Kh4Txh2#Exploitingvulnerability:abadpositionoftheking.12)1....Pf4(1....Ph42.Dd8+Kg63.Te6+)2.Dd8+Kg63.Tg8+Kh7Exploitingvulnerability:athreatwhichis

difficulttoparry.

27  1)1.Dh6+Ke52.d4+Dxd4(2....Kxd43.Dxe3#)3.Dg7+Kf44.Dxd4+(luringanddoubleattack:X-raycheck) 2)1.Pa2.Unpinsthea-pawn.AfterothermoveswiththisknightBlackplays1.…La6.Furthermorethecaptureona3isnot

possible:1....bxa32.b4.After1....Tb82.axb4Txb43.Pxb4Dxa14.Te1(Lg2mustgotof1once)hasWhiteaclearplan.Puthispiecesontherightsquares(Pc6andPc4ifpossible).

1.Pc4.IfWhitewantstosacrificeanexchangeWhitemustinsertthismove.After1.…Da62.axb4Dxa13.bxc5itturnsoutthatWhitedoesn’tevengetapawn.Blackhasthestrongin-betweenmove3.…La6but3.…Pxc5refutesthesacrificetoo.

1.axb4Dxa12.bxc5Pxc5Evenworsethanthepreviousline.Nocompensationatall. 3)1.Dg8+Kxg82.Pf6+(defendingagainstmate) 4)1.Dg6(1.Pg6+Kg82.Dxc6Lxc63.Pfe7+)1....fxg62.Pxg6+hxg63.Th3+(attackingtheking) 5)1....a42.Pd2(2.d5axb33.axb3Lxc3)2....axb33.axb3Lxb3(attackingtheking) 6)1.Dh7+Kf72.Lg6+Kf63.Tf4+gxf44.Lh4#(attackingtheking) 7)1....Pxd42.Pxd4(2.Txc1Pxf3+)2....a5(2....Txe1+3.Dxe1Dxd44.Dxe6+)(eliminationofthedefence:chasing

away+material) 8)1.Da8+Kb52.Db7+Kc43.Dc6#Exploitingvulnerability:abadpositionoftheking. 9)1.Dd8Dxd82.Pxe6+Kg83.Pxd8b54.Pc6(transposing/liquidatingbyadoubleattack:knight)10)1....Pe82.Dc6Tc8(2....Lxc3?3.Dxa8)(chasingandtrapping)11) 1.Te7+Kf32.Te3+Kxe33.Ld4+Kxd44.Kg2Ke35.Kf1(defendingagainstapassedpawn)12)1....Dxa1(1....Txb5?2.Txb5Pe2+3.Kf2Dxb54.Dxa7)2.Txa1Pxf13.Kxf1Txb5(eliminationofthedefence:

luringaway/capturing+material)

28  1)1.Dg6+Txg6(1....Ke72.Dxg7+Kd63.Dxf6;1....Kf82.Pxd5)2.Pxg6+Ke83.Tf8#(luringawayand

discoveredcheck) 2)1....Pd1(1....Pa4?2.Te3)2.Lxd1Dxc3(thepin:attackingapinnedpieceandluringaway+mate) 3)1....Pg4.GooddefenceagainstaneventualPxg6.Becauseh4ishangingWhitehasnotimeforf3.Thewhitepiecesare

clumsy. 1....Kh7.Pawng6isnowprotectedforawhileandissafebutnotthebestchoice. 1....d5Themoveplayedthatworkedoutwellafter2.f3Pxe4!Basicallyyoumaynothesitateinsuchaposition:2.Pxg6

fxg63.Dxg6+Kh84.exd5Lxd55.Dh6+Kg86.Te5. 4)1....Lg4(1....Tb12.Tg7+Kxh63.Pxf5+Kh54.Tg5#)(defendingagainstmate) 5)1.Txg7Dxg72.Txh6+Dh73.Df6+(3.Dh4)(attackingtheking:access) 6)1....Lxh42.Txh4Txh43.Lg5(doubleattack:bishop) 7)1.Lc7+Ka62.Pd7!Pe6(2....Lc63.Pc5#)3.Pb8#Exploitingvulnerability:badpositionofthepieces.

(Fomichev 2015) 8)1....Le12.Kxe1g2(cashinginapassedpawn) 9)1.h5Txh52.Te5(transposing/liquidatingtoapawnending)10)1....e32.fxe3Tc2(eliminationofthedefence:luringawayandthepin:pin)11) 1.Dxc5(1.Dxd5Pxd52.Lxc5Pxc53.c4Pb4)1....Pxc5(1....Dxc52.Lxc5Pxc53.Pc7+)2.Pc7+Kd8

3.Pxd5exd54.Lxc5combiningvanluringaway,doubleattack:knight,in-betweenmove)12)1.Dd4Df82.Dd8La63.Lh7+Exploitingvulnerability:athreatwhichisdifficulttoparry.

29  1)1....f42.Ph5(2.Pf1fxe33.fxe3Txe3)2....fxe33.fxe3Txe3(3....Pxe3+)(luringanddoubleattack:knight) 2)1.Pxb7Pxb72.Te7(luringawayandeliminationofthedefence:chasingaway+material) 3)1....Lxc32.Dg4+Lg73.Lh6Pg6(defendingagainstapin) 4)1.b4Lxb42.Ke3Lxc3(2....Lf13.Tc1Lc5+4.Ke4Ld3+5.Kd5)(defendingbystalemateofinsufficientmaterial) 5)Whitehassacrificedtwopawns.DuetothepinofLc4exchangingofqueensthreatens.AcorrectfeelingisthatWhitemay

begladifhedoesn’tgetworse.Justtoofewattackersandsufficientdefenders.After1.Df5Dxc4youmustsensethata

queenandaknightagainstasuperiornumberofpiecesisnotenough.Whatiscorrect? 1.Txd5.TakesapawnbackandthreatensLb5.Blackhas1.…La6andWhitejustholds:2.Td4Pe63.Pxe6fxe6

4.Txg4. 1.Lxd5isrefutedby1.…Lb4+(makesanescapesquarefortheking) 1.Pxf7Dxc42.Dxc4dxc43.Pxh8iswinninganexchangeagainsttwopawnsbutafter3.…Lf3thefutureofTh2is

notrosy.Theknightonh8willbelostforsure. 6)1.Dxe6+Kh82.Txh6+gxh63.g7+Kxg74.Dg6+Kh85.Dh7#(attackingtheking) 7)1.Pxe6Lxe6(1....fxe62.Dxg6+)2.De4(luringawayandtrapping) 8)1.Dc3Pe42.Txe4fxe43.Pe6+(settingupabatteryanddiscoveredattack) 9)1.Dxc3Dxc32.Pe7+Kh83.Txf8#(eliminationofthedefence:luringaway+mate)10)1.Kf4!(1.gxh6?Kf6)1....Pf72.g6Ph63.Kg5(zugzwangandtrapping)11) 1.Th7+Kxg6(1....Kf82.Th8+Kg73.f8D+Kxg6)2.f8P+Kf63.g5#Exploitingvulnerability:abadpositionofthe

king.12)1.Da6+Da5(1....Kb32.Da2+Kxc33.Db2+X-raycheck)2.Dc4+Ka33.Da2#Exploitingvulnerability:abad

positionoftheking.

30  1)1....Tg1+2.Kh3Pf4+3.Kh4Pg6+4.Kh3Th4#(chasinganddoublecheck) 2)1.Tb8+Ka72.Ta8+Kb73.Tb8+Ka74.Ta8+Kb75.Tb8+(drawbyperpetualcheck) 3)1.Dd7Tc82.Dg4+Kf83.Dg7+Ke84.Dg8+Kd75.Dxf7+Kc66.Dd5+Exploitingvulnerability:abadpositionof

theking. 4)1....Te82.Pc5Pd8(thepin:attackingapinnedpiece-crosspin) 5)1.Kf5h52.Ke6Kf83.Kxd5h44.Ke4(withtempointothesquareofthepawn) 6)1.Dxg4fxg42.Le7Lxe73.Txc6(cashinginapassedpawn) 7)Picture 8)Picture 9)1.d5Lc72.Txc7(2.d6Lxd63.Dxd6Dxa14.Txf7Kxf75.Dd7+Kf66.Dxc8Kf7)2....Dxc73.d6(discovered

attackandcapture/chasingaway+mate)10)ThisunclearpositioncomesfromagameU10.Itisamatterofcounting.Blackhasaknightandpawnforthequeen.

Whitecertainlyloseshisqueen. 1.Dxf3Lxf32.Txc3Txc33.La5andthankstothisin-betweenmoveWhitegetstwopiecesagainstrookandpawn. 1.Pxf3(thegame)1....Pxd12.Txd1Tfxd8andWhiteremainsinaworsepositionjustapawndown(Blackhasc-file

andbetterminorpiece). 1.gxf3Pxd12.Txd1Tfd8.Pawndown,badpawnstructure.11) 1....Te32.fxe3Dxf33.Dc2fxg3(eliminationofthedefencebyinterfering)12)1.Dd6+Pd72.Dxd7+Kxd73.Pc5+Kd64.Pxe4+(luringanddoubleattack:knight)

31  1)1....Th2+2.Ke1Pb23.Tb1(3.Tc1Pd3+)3....Th1+(chasinganddoubleattack:X-raycheck) 2)1.Lg5+Kg82.Dxh8+Kxh83.Lf6+(3.Th4+Kg84.Lf6)3....Kg84.Th4(attackingtheking) 3)ThispositioncomesfromagameU10.Blackcangrabapawn.Whatistheproblem? 1....f6Thisisthebestmoveandsufficienttodraw.2.Txc3(2.bxc3fxe53.dxe5Tc4iswithsuchanactiverookcertainly

notbetterforWhite)2.…fxe53.dxe5Txc34.bxc3Tc8andnowtheactivityortherookissufficient. 1....Lxd4Thegamemovecostssurprisinglyanexchange:2.Pc6(2.Txc8Txc83.Pd3Tc2losesmaterial)2....Lxb2

wasplayedandafter3.Ta2Lf64.Pxd8Txd85.Tc6Whitewasanexchangeup(althoughBlackwon).Thesurprisecomesafter2.…Lf63.Tac1andPxd8isthreateningandafter3.…Te8themove4.Pe7+follows.

1....La52.Pc6andtheknighthasthreetargetsinsight,nothreatsyetbecauseofthepinbutBlackcannotpreventthemallinonemove.Apossibleline2.…Tc73.Tac1Tdc84.Pe7+.

 4)1....Kg7(1....h42.f5h33.f6h24.f7h1D5.f8=D+)2.Ke7Kg63.Ke6Kg74.Kf5Kh6=(defending) 5)1.Txh6+Dh72.Dh4Tg1+3.Kc2Dxh64.Dxh6+Kg8(defendingagainstadoubleattackbycounter-attack) 6)1.Pf5Dg52.h4Dg63.Pe7+(chasinganddiscoveredattack) 7)1.Tg3+Kf52.Dg5+Ke43.Tg4#Exploitingvulnerability:abadpositionoftheking. 8)1.f4+!Lxf42.Pe4+Dxe4(defendingbystalemate) 9)1....Dd1+2.Kg2De2+3.Kg1Kh34.Dd4De1#Exploitingvulnerability:abadpositionoftheking.10)1.Td4Db52.Tfd1(targetingandthepin:pin)11) 1....e42.Tg8+Kh73.Df8Th1+(eliminationofthedefence:interfering)12)1.Kg8!(1.Ke8?Dxe2+!2.Lxe2Kxb7).1...g52.Lh1!Dh43.Th7+(zugzwanganddiscoveredcheck) (Timman)

32  1)1.Kf6h22.Db4Dd73.cxd7h1D4.De7#Exploitingvulnerability:abadpositionoftheking. 2)1....La42.Dd3(2.Dxa4Dxe3+3.Kf1Txc1)2....Lxd1(luringawayanddoubleattack:queen) 3)1....Ta22.De8+Ld7(seventhrank) 4)1.Le2Txg3+2.Kf2(cashinginapassedpawn) 5)1....gxf42.Pxf4Td4+3.Ke3Ld2+(luring,chasingandX-raycheck)

 6)1....Dc8Thequeenmustbeprotectedafter2.Txg6fxg6.Blackmustbereadytoexchangequeens(exchangingdirectly1.…Dxf52.exf5Txg43.hxg4isplayablebutunpleasant).Withoutthemove2.h4Whitecannotproceedalthoughh5isnotathreatyetbecauseBlackexchangesonf5then.

1....De6thismovefailsafter2.Txg6Txg63.Txg6Dxf5onthein-betweenmove4.Tg7+. 1....Da4ThemoveplayedinagameU10.Thestrong2.h4wasmissed(thepin:attackingapinnedpiece) 7)1....Lf6(1....Lh42.Kf4Lg5+3.Kf3Lf6)2.Kf4Lxe5+(defendingagainstmate) 8)1.Pf5Dg52.h4Dg63.Pd6+(chasinganddiscoveredattack) 9)1....Pxe52.dxe5Lxb53.Db3(thepin:pin)10)1.Td7+Ke52.Td5+Txd53.Pc4#(eliminationofthedefencebyluringawayandblocking)11) 1....Ta22.Lc6(2.c6?Ph5#;2.h4Ph5+3.Kh3Pf4+;2.Ld1Td2)2....Ta3+3.Lf3Ta2(drawbyperpetual

attack)12)1.Tc8Dd5(1....Txc84.Dd8+)2.Txf8+Kxf83.Db4+Exploitingvulnerability:backrank.

33  1)1....Pc32.bxc3(2.Dd3Pxd1)2....La3+3.Kb1Db6+(attackingtheking) 2)Blackhasapawnup,butpawnd4threatenstobelost.Thepawnsonc5ande5arenoheroeseither. 1....Pd7.Profitsthemostoftheweakpawns.After2.Pxd4Lxg2thebishopmoveswithtempoandthethreatensis

3.…bxc5andafter2.Dxd4Pxc5Whiteisjustapawndown,2.cxb6Lxf3!isalsoeducative(afterthelazy2.…axb6Blackisbetter)3.gxf3(3.bxc7Dxc7ande5hangs;3.b7Lxb7withapawnup)3.…c5and4.…axb6.

1....Lxf3(givessomeadvantagewithsimplemoves)2.gxf3Pd73.Dxd4andnow3.…bxc5withpawnupbutadoublepawnof3.…Pxc54.Lb5+withsmallproblemswiththedevelopment.

1....Pg4Thegamemove.Now2.Lb5solvesallwhite’sproblems. 3)1.Td4Lh52.Th4(2.g4)(eliminationofthedefence:chasingaway+material) 4)1....Db22.Tc4(2.Tcd1Dc2)2....Db1+3.Kg2Db7+(defendingagainstapassedpawn) 5)1....Pxe42.Dxf8+Kxf83.Lxd8Txd84.Lxe4(in-betweenmovedesperado) 6)1.Txf6gxf6+2.Kd6Kf73.Kc7(transposing/liquidatingtoapawnending) 7)1.Td8+Dxd82.Pe8+Dxe83.fxe8P#Exploitingvulnerability:abadpositionoftheking. 8)1.Pe7+Kc52.Tc6+Kd43.Pf5+Ke54.Pxg7(discoveredcheck,chasing,luringanddoubleattack:knight) 9)1....Lf42.Dd3g5(targetingandtrapping)10)1....h52.Tb8h43.Tb3hxg3Exploitingvulnerability:asquarewhichisdifficulttodefend.11) 1.Kg3g62.Tf5+gxf53.f4#Exploitingvulnerability:abadpositionoftheking.12)1.Lxd4exd42.Dxe7Txe73.Txc5(eliminationofthedefence:capturing+material)

34  1)1.Lc5(1.Kh1Tc22.c8DTxc83.Txc8Txd6)1....Tc2+2.Lxd4Txc7(cashinginapassedpawn) 2)1.Kh1(1.Lc5Tc2+)1....Tc22.Tbb1(cashinginapassedpawn) 3)1....Pc3(targetinganddoubleattack:knight) 4)1....Pc3+2.bxc3Tb7(eliminationofthedefenceandthepin:pin) 5)1....Tb4+2.Kxh5Tb8(2....Tb5+3.Kh4Tb8)3.Th6Tb5+Exploitingvulnerability:abadpositionoftheking. 6)1.Tc7Txc72.De8+Kg73.De5+Kg84.Dxc7(defendingagainstapassedpawn) 7)1....Th1+2.Kxh1Kg33.Lc4Te1+4.Lf1Txf1#Exploitingvulnerability:abadpositionoftheking. (Donner-

Spanjaard,NED1961) 8)1.Pce7+Kh72.Th8+Pxh83.Pf8#(eliminationofthedefencebyblocking)(eliminationofthedefencebyblocking) 9)1.Kc2(1.Ka1Ld22.Dxf5+Ke7)1....Dh2+2.Kb3Dxg13.Dxh6+Gettingoutofcheckandnotallowingnew

attackers.10)1.Pxd5Dxd52.Lxf6Da5+3.Dc3(3.Dd2Dxd2+;3.b4Lxb4+)(in-betweenmove)11) 1.f3.Preventingthepossibilitiesoftheopponent.Allowingthemovef3byBlackwouldactivateLe5andthepawnisan

attackeranddisturbs. 1.c3.Chasingawaytheknightmustwaitbecausethethein-betweenmove1.…f3threatensmateonh2andafter2.g3Pe6

WhiteisluckythatBlackcannoteasilycaninvolvetherookintotheattack. 1.h3Themoveplayedinthegamemakes1....f3everstronger.Blackwon.12)1.Dh6+gxh62.Pf6+Kg73.Pxd7+Kf74.Txd6(eliminationofthedefencebyluringaway,chasinganddiscovered

check)

35  1)1.Da8+Kxg72.Tg6+hxg63.Dxd5(settingupabatteryanddiscoveredattack) 2)1....gxf4(1....Ld22.fxg5Td4+3.Ke5Txd3)2.Pxf4Td4+3.Ke3Ld2+(luring,chasinganddoubleattack:X-ray

check) 3)1.e4.Blackisinproblems:1.…dxe42.Pxe4Le73.Te1losesmaterialand1....h62.Lh4(2.Lxh6gxh63.e5isalso

good)isnotreallyhelping.Thethreatise5andafter3.Pxh6+gxh6even4.exd5isverystrong. 1.Te1.Developingmovetopreparee4.Inthepreviousmoveitturnedoutthatthemoveoftherookisnotnecessary. 1.Pxd6.Fansofthepairofbishopsplaysuchmoves.Itisasin,togiveuptheactiveknight. 4)1.exf6Lxd62.Td1(cashinginapassedpawn) 5)1....Pxh52.Pg5+hxg53.Dxh5+Kg84.Th1(attackingtheking:access)

 6)1.d8P+Kf6(1....Ke72.g8D(2.Pc6+?Kf63.g8P+Kf7!))2.g8P+!Kg6(2....Ke53.Pf7+)3.Pe7+(drawduetoinsufficientmaterial)

 7)1.Dxf6Txf62.Lxf6h53.Tf7#(settingupabatteryanddiscoveredcheck) 8)1.Ph6Dxf3(1....Pxf32.Tg8+Txg83.Pf7#)2.Txf3Pxf3(2....Tg83.Pxg8Pxf34.Ph6)3.Tg8+Txg8

4.Pf7#(attackingtheking) 9)1.Dxb4+Kxb42.a3+Ka53.b4+Kb54.Pc3#Exploitingvulnerability:abadpositionoftheking.10)1....a52.Pd3b53.Lb3a4(targeting,chasingandtrapping)11) 1.Pb5+cxb52.Tc1+Kd73.Td1+Ld64.Txd6+Kxd65.Txd8+(eliminationofthedefence,chasing,X-raycheck

andluringaway+material.12)1.Pxc8Txh72.Pe7Th8(2....Tg7+3.Kf2Tf7+4.Kg3)3.Pc6+Ka34.Pd8(cashinginapassedpawn)

36  1)1.Lxe5Pxd3+2.Dxd3Lb4+3.Lc3Dxd3(luringanddiscoveredattack) 2)1.Lb5Te62.Lc4(2.Ld7?Td6)2....Te53.Kd4(drawduetoinsufficientmaterial)(Guljajev 1938) 3)1.c3(1.Txf4?Pe2+2.Dxe2Dxf4)1....Pc62.Txf4(eliminationofthedefenceandpin) 4)1.Kf1.Preventscheckone1andforcesthequeenback.After1....Df6Whitecapturesapawn:2.Txh4 1.Td8isnotaproblemafter1.…Df62.Txe8+Kxe8. 1.Lxf3.Onlycountswithtakingback.Blackdoesn’twantthebishopatall:1.…Te1+(1....Pxf3+?2.Kf1)2.Kg2h3# 5)1.f5gxf5(1....Lxe42.f6;exf5Th4+–;2....De7fxg6fxg6Txe6Dxe63.Dxg6+)2.Dg5+Kh73.Th4#(attacking

theking) 6)1....Lh62.Dd1Le3Exploitingvulnerability:materialsupremacy. 7)1....Le4(1....Lh3?)2.h4Kd43.h5Ke5Normallythebishopfulfilsthedoublefunction:protectingthepawnand

stoppingtheenemypawn.Thisisanexception:thepositionisnotwinningbecauseofthedangerofstalematingtheopponent.Happily,thekingisinthesquareoftheh-pawn.

 8)1.Dxe3Txe32.Pge4Td43.hxg4(doubleattack:2pieces) 9)1.g4fxg32.Lg5f63.exf6+(trapping)10)1.Lf3Dxf32.Dg8+Le83.Dxe8+Kb74.Db8+(4.Dd7+)(eliminationofthedefence:luringaway+mate)11) 1.Lb3!(1.Lc4?a4!2.Ld5Dc2+3.Lc6Dh2+)1....a42.Lc4!(zugzwang)12)1....Pe1+(1....Ph4+2.Kh3Dg2+3.Kg4Df3+4.Kh3)2.Kh3Dg2+3.Kg4Df3+4.Kh3Dh5#(doublecheck)

37  1)1.h3Dh52.De2(2.g4?Dd5)(eliminationofthedefenceandpin) 2)1.Df8+(1–0;Babula-Kislov,Trinec1999)1....Kh72.Dg8+Kh63.Th5+Kxh54.Dg5#Exploitingvulnerability:abad

positionoftheking. 3)Drawing 4)1.Tg3!Lxg3+2.Kh3g1D(defendingagainstapassedpawn) 5)1....Td52.Txd5g33.fxg3fxg3(defendingagainstmate) 6)1.0–0–0wasnotplayedbecausea2hangs.Notabadhowever:1.…Pxa2+2.Kb1Dxd23.Txd2Pb44.Lb5+bringsall

White’spiecesintotheattack.After4.…Ke7is5.Pd7illustrative.After1.…0–0playsWhite2.a3orabitbraver2.Pc4. 1.Kd1.Themoveplayedpreventsthethreat(seenextmove)butthekinginthemiddleisnotlethalafter1.…Le62.Pd3

butunnecessary. 1.Le2Pxc2+Thatwasthethreat. 7)1.Pxa7+Pxa72.Dxa7Dd1+3.Kxd1La4+(luringanddoublecheck) 8)1....Dc2+2.Kh3(2.Kh1Dxc1+)2....Txg3+3.Kxg3Tb3+Exploitingvulnerability:materialsupremacy. 9)1.Kd7!Pc4(1....Kb72.Tb1+Pb33.Txb3#;1....Pb32.Tb1Kb73.Txb3#;1....Pb72.Tc8#)2.Txc4a53.

Kc6!a64.Te4Ka75.Te7+Kb86.Kb6(eliminationofthedefencebyblocking)(Botokanov 1997)10)1....Txg32.Lxe4(2.fxg3De2+3.Kg1Ph3#;2.f3Dg6;2.Kxg3Pe2+3.Kh3Dxh4+4.Kg2Dg4+5.Kh2Le5+

6.f4Dg3#)2....Th3+3.Kg1(attackingtheking)11) 1.Txb2Lxb22.Db3Ld43.Db8+Dd84.(doubleattack:queenmaterial+threat)12)1.Pf6+Lxf62.Tc7+Kg83.Txe3(in-betweenmove)

38  1)1.Txg7+Txg72.Pf8+Kh83.Txh6+Th74.Txh7#(eliminationofthedefence:capture+mate) 2)1....Pf32.Dxf3Dxb2(lineclearingandtrapping) 3)ApositionfromthegameDeWind-Michielsen,TheHague2001.Atthattimetheywerebothtalentedjuniors,who

neverthelessmissedsomething. 1.Lxe5Dxe52.Tfe1.Exchangingisgoodinthiscase.Allwhitepiecesbecomeactiveandthed-pawnisnotweakbutalso

posesnodanger(2.…d43.Pg3). 1.Lb6.Whitewantstochasetheblackrooktoaworsesquarebuttherookisnotmisplacedatall:1....Td62.Db4

(consequentbutadmitfailurewith2.La5or2.Le3andsacrificingapawnisbetter).Themoveplayedfailsto2....Txb6(insteadofthemoveplayed2.…d43.f4)3.Dxb6Pd44.Dxf6Pxe2+(in-betweenmove)5.Kh1Lxf6.

1.Lc3.Alossoftime.Blackcapturesonc3. 4)Thefragmentshouldbeamovelonger.Theh-pawnisstillonh5andBlackistomove:1...h4(0-1; Dvoretsky-Klovans

Tbilisi 1973).Itisinsufficienttoplay1.…hxg42.Ke5!(butnot2.Ke4g3!andwins)2.…Kg23.Kf4Kh34.Kg5.

Whiteresignedbecauseof2.Ke5Kg23.Kf6Kxh24.Kxg6h35.g5Kg36.Kf7h27.g6h1QandBlackwinsagainstag-pawnontheseventhrank.

 5)1....Pb5(1....Txb82.Txb8+Lf83.Lf6#)(eliminationofthedefence:interfering) 6)1.Tb2!Txc72.Tb8+Kf73.Tb7Te7+4.Kd6Txb75.axb7(creatingapassedpawn) 7)1....g52.Lg3g43.0–0–0Pxg3(eliminationofthedefence:chasingaway) 8)1.Dh7+Kg42.Dg6+Kf3(2....Kh33.Dh5#(3.Df5#)Exploitingvulnerability:abadpositionoftheking. 9)1....Kh72.Df3Dxf33.gxf3b24.Pxb2(cashinginapassedpawn)10)1....e52.Dc4(2.Dd5Dxd7)2....Txd73.Txg6(apinnedpieceisnotagooddefender)11) 1.Tc8Df72.Pb6+Ke73.Tc7+(luringanddoubleattack:knight)12)1....Tc5(1....Dxe7?2.Pxf5De53.Txh7+Kxh74.Dh5#)2.Pxf5Dxf5(2....Ta5+)(defendbycounter-attack)

39  1)1....Tf4+2.Pxf4Pf6+3.Ke5Pxg4+4.fxg4g1D(cashinginapassedpawn) 2)1.Ph2+Kh42.Pf3+Kg43.Pe5+Kh44.Pxg6+Kg45.Tg3#Exploitingvulnerability:abadpositionoftheking. 3)1.Dd4Dg52.Ld2Lh33.g4(defendingagainstmate) 4)1....f5.Blackstandsgoodenoughsothepawndoesnotneedtobeprotected.Thethreatpreventsthecaptureonc4.After

2.gxf5exf5Whitemustgiveupapawnwith3.Pe5Lxe54.dxe5Dxe5.Theweaknessoftheking’swingisapitybutnodisaster;Whitehasnoattackers(ifBlackplayswell).

1....b5.AfineprotectingmovethatbringsinPb4-d3. 1....Tc8.GivesWhitetimetomakeroomforthequeen:2.hxg5hxg53.e4Pb44.De3. 5)1....Pc2+2.Kf3Pe1+3.Kf4Pd3+4.Kf3Te3#Exploitingvulnerability:abadpositionoftheking. 6)1....Te62.Tf2Te23.c7Txa24.Txa2Dc1Exploitingvulnerability:abadpositionoftheking. 7)1.g4Lg62.Lg5(trapping) 8)1....Kd32.Lf7Pd5(2....Kd23.Lc4)3.bxc6e24.Kf2Kd25.Lxd5(cashinginapassedpawn) 9)1.Td2b22.Txd3Kc23.Tc3+Kd24.Tb3(defendingagainstapassedpawn)10)1.Tg6Pg32.Tg4+Txg43.Ph3#(eliminationofthedefencebyluringawayandinterfering)11) 1.Le4+Kg52.Tg7+Kh53.Th7+Kg54.Txh3(chasinganddoubleattack:X-raycheck)12)1....Df3+2.Dxf3+exf3+3.Kh2Pg4+4.Kh3Pxf2+5.Kh2Exploitingvulnerability:abadpositionoftheking.

40  1)1.Dh6Txd82.Dg7+Lxg73.Txd8+(attackingtheking) 2)1.Tf7(1.Tf8+Dxf82.De5+Tf6(2....Kg83.Dd5+Kh84.De5+Tf6))1....Dxf72.Db8+Txb8(2....Dg8?

3.De5+)(defendingbystalemate) 3)1.Lb4!(1.Lb6?Pd62.Ld4Pb5+;1.Lc7?Pd22.Le5Pc4+)1....b1D(1....Kb12.Kb3Kc13.La3)2.Lc3+

Pxc3(defendingbystalemate) 4)1.f4+Kf52.g4+Kxf43.Pf6+(chasing,luringanddoubleattack:knight) 5)1....Lg52.Dg3(2.Dxg5Txh2+3.Kg1Dh3)2....Th3(2....Dh63.Le1Th3)3.Dg2Lf4(eliminationofthe

defencebyluringawayandbringinginapiece) 6)Whiteisbetter:thepairofbishopsandbetterpawnstructure.Theknightona3isoutofplayandisindanger. 1.c4.UnderminingPe4andtakingawayanescapesquarefromPa3.NowWhitewinsmaterialafter1....Pf62.Lb2dxc4

3.bxc4Tad84.Txe8+Pxe85.Td1(threatensLh7+).After1.…Pd6Whitecapturesond5. 1.Tad1.Goodmovebutallows1.…Pb5. 1.f3.Unnecessarytheknightgoesviag5toe6andisplacedevenworse. 7)1....Pe52.Df4g53.Dxg5Pxc4(doubleattackandluringaway+material) 8)1.Txd5Le22.Td8+Kxd83.Dxe2(in-betweenmoveandX-rayattack) 9)1....Kc4(1....c42.a5Kc53.Kf3Kb54.Ke3Kxa55.Kd2Kb46.Kc2)2.Kf3Kb410)1.Pxe5fxe52.Lxe5(apinnedpieceisnotagooddefender)11) 1.Lg5Lxg52.Ph6+(clearingasquareanddiscoveredattack)12)1.Lc4+Pxc42.Tf8+Txf83.Dd5+Kh84.Txf8#(attackingtheking)

41  1)1....Dd3+2.Ka1Lxb2+3.Kxb2Dd2+4.Kb3(chasing,luringanddoubleattack:queen) 2)1.Td1Kf82.Lxc6Pxc63.Ta1Exploitingvulnerability:abadpositionoftheking. 3)1.c7+Ka72.b8D+Thxb83.c8P#(mateinthree) 4)1.Ld2Dxa42.Dxa4Lxa43.Txe7(chasingandapinnedpieceisnotagooddefender) 5)1.d7Tb82.Pd6+Ke73.Pe4(3.Pf5+Kxd7)ItissurprisingthatWhitecanexchangehisd-pawnforthec-pawnand

keepabitadvantagecan.AfterallBlackhasakingathandandthewhiteoneisdoingnothing:3....Lxd74.Pxc5+Kd65.Td1+Kxc56.Txd7.

 6)1.Db3.ExchangingqueensisnotastrongweaponformanyStep5players.Yettobeconsidered.After1....Dxb3(1....Da62.Lxg7)2.axb3b6(2....a63.Lxg7)3.Txa7orifyoumissthis3.Lxg7.

1.a4.Blackcanplay1.…Dxb2;Lf5controlsb1. 1.Te1.Thebishopwantstogotof6anyway.Notasmartmove. 7)1....Dg4+2.Kh2Dh4+3.Kg1fxe4(gainofmaterialbyanin-betweenmovenecessarytodefendingagainstmate) 8)1.Lxb7Txb72.Pc6Da83.Txe7(eliminationofthedefence:chasingaway+material)

 9)1.f4Ld62.g4Lg63.f5(targetingandtrapping)10)1.Te7+Kg82.Kg6Ta8(2....a1D3.Te8#;2....Tf43.Ta7)3.Tg7+Kf8(3....Kh84.Pf7#)4.Kh7!a1D

(defendingagainstapassedpawn)11) 1.Pf6Dxc7(1....Kxf62.Dxc6+)(discoveredattack)12)1.Kg7!f22.Ta1Tf83.Ta8+Ke74.Txf8Exploitingvulnerability:badpositionofthepieces.

42  1)1.exd5.DuetotheexchangeWhitelosesnotimewithamoveoftheknightandthequeencanbepositionedinthecentre

(andisnotindanger).After1.…Txd52.De4Whitecanplayforb4-b5,sometimeswithapawnsacrifice,otherwisewithamoveoftherooktob1aspreparation.

1.Pcd2.Unfortunatechoice.After1.…g42.Ph4d4Blackdestroysthewhitepawnsande5becomesastrongsquarefortheknight.

1.Pce5.TheexchangingofapairofknightshelpsBlackonly.After1...Pxe52.Pxe5Dg73.De2Whitehasstilltheadvantageoftheweake-pawnbutthedoubleg-pawndoesnotseemenoughcounterweight.Blackplaystheactive3.…Tf8andsurvives.Someattentionfor2.…Df6insteadofDg7.Whitecapturestoewith2.Pc6!.Lookforthedifference!

 2)1.Td5+(1.Ke5?Te6+)1....Kc62.Ke5Tf13.Td1+(settingupabatteryanddiscoveredcheck) 3)1.Ta8+Lf82.Tb2Txb23.Txf8+Kg74.Txf1(defendingagainstmate) 4)1.Da7+!(1.Dh8+?Le5)1....Ke5(1....Kc35.Dg7+;1....Kd55.Lb3+;1....Kc45.Lb5+;4....Ke45.Lc6+;

1....Kd35.Lb5+)2.Dg7+(discoveredattackandX-raycheck) 5)1.Td7Lf82.De8(eliminationofthedefence:interfering) 6)1....Txg3+?2.hxg3(2.Pxg3Txg3+3.hxg3Dxe2)2....Dxe23.Th4+ 7)DrawingGMNakamura 8)1....Pxf3+2.gxf3Lc3(clearinganddiscoveredattackandpin) 9)1....Tc2+2.Pxc2Dd2+3.Kf1De2+4.Kg1Pxf3#Exploitingvulnerability:abadpositionoftheking.10)1.Pe3g4(1....b32.Pg2)2.Pg2Ld23.h3Exploitingvulnerability:abadpositionoftheking.11) 1.Kd3!Kf32.Kc3!Ke43.a4Ke5(3....Pc24.Kxc2Kd45.Kb3Kc56.a5Kc67.Kb4Kb78.Kb5Ka79.Kc6)

4.a5Kd65.a6Kc66.c5(holdingoff,squareofthepawn)12)1.Dg2+Kf42.Dg5+Kf33.Dh5+(chasingandX-raycheck)

43  1)1.e5Lxe52.Txe5Dxe53.Lf4(luringandtrapping) 2)1....Lf22.Dd6Ld4Exploitingvulnerability:abadpositionoftheking. 3)1.h7+Pxh72.Dh2andwins,i.e..2.…Kg73.Pd5(attackingtheking) 4)1.f8D+Kxf82.Kf6(cashinginapassedpawn) 5)1.Pxe5Lxf2+2.Kxf2Dh4+3.Kg1Lxd14.Pf3+Dxe1+(counter-attack) 6)1.Txg4Txe32.Txg5(2.Ld5Pf7)2....hxg53.d7Td34.Ld5(cashinginapassedpawn) 7)1.e5dxe52.Lxf6(eliminationofthedefence:luringaway/capturing+material) 8)Attackingthekingisstrikingwhenthereareinsufficientdefenders.Howwinningtheblackpositionlooks,notasinglemove

wins. 1....Lxg32.fxg3Txg33.Df2Th3+andwins. 1....Tg4givesWhitetheopportunityof2.Dh3.After2.…g5thecaptureonh4isbyfarnotalethalthreat. 1....Txg3.Ifyousacrifice5pointsyoumusttakeintoaccountthattheopponentgivesmaterialback:2.fxg3Dg4(2.…

Lxg33.Dh3)3.Lf4Lxf44.gxf4andthequeenalonewiththef-pawnisnotmorethandraw. 9)1.c6Pd62.Pc5(2.Lxd6?Lxb33.Lxc7La4)2....Lc43.Lxd6(3.b6?cxb6)(creatingapassedpawn)10)1.Tf3+Ke7(1....Kg62.Tg3Txg33.b7+–;1....Kg82.Te3Tg5(2....Tg1+3.Kd2Tb14.e5Txb45.exd6

Txb66.d7+–)3.e5dxe54.b7+–)2.b7Txe4+3.Te3!!Txe3+4.Kd2Te65.b8D+–(in-betweenmove)11) 1.Pf5+Kf72.Tc7+Ke83.Te7+Kf84.Td8#Exploitingvulnerability:abadpositionoftheking.12)1.Th5+Kd6(1.…Kd42.Th4+)2.Td5+Kc63.Ta5+(chasinganddoubleattack:discoveredcheckandX-raycheck)

44  1)1....e52.Lg3Lf5(lineclearinganddoubleattack) 2)1.Txe3Dxe32.Td8+Kc73.Dxe3Txe34.Txh8(eliminationofthedefence:luringaway+material) 3)1.Dc7bxc5(1....Dd72.Pd6+Ke73.Pf5+)2.Pd6+Exploitingvulnerability:abadpositionoftheking. 4)1.c3and2.d4(thepin:attackingapinnedpiece) 5)1....Tc1+2.Lf1Txf1+3.Kg2Td1Exploitingvulnerability:abadpositionoftheking. 6)1.Pf7+Kg82.Ph6+Lxh63.Dxf5(luringaway,knightforkandapinnedpieceisnotagooddefender. 7)1.Pe6fxe62.Dxe6+Kh83.Dxd6Tf6(trapping) 8)Blackisapawndownandthatcallsforaction. 1....d5.Akinginthemiddlemeansopeningtheposition.After2.exd5Pxd53.Pxd5Lxd54.c3Tfe8Blackwins. 1....Lxe2Achoicebetweentocaptureorletcapture.Captureonlyifitbringssomethingimmediately.Thismovehelps

Whiteonly.After2.Dxe2d5(alsonowthebestmove)Whitecancastle. 1....b52.Lxc4Txc43.a3Blackhasenoughforthepawnbutnothingmore. 9)1....Dxg2+(1....Txg2+?2.Dxg2Dxg2+3.Kxg2d24.Lc2)2.Dxg2Ld53.Dxe2(cashinginapassedpawn)10)1.Txg4Kxg42.Txe5Exploitingvulnerability:abadpositionoftheking.

11) 1.Kh1Tc22.Tbb1(cashinginapassedpawn)12)1.Pd3+Kc62.Pxe5+Kc53.Pxd7+Kc64.Pxb8+Kc55.a7(chasinganddoubleattack:knight)

45  1)1.Txf6+Kg52.Kh3b1D3.f4+Kh54.g4(defendingagainstapassedpawn) 2)1....Pb4+2.axb4Dxd3+3.Kc1Txe1+(discoveredattack) 3)1.Dxe7+Dxe72.f6(transposing/liquidatingtoapawnending) 4)1....Pe4Thisshamsacrificesolvestheproblems.After2.fxe4dxe4someattackersdisappear. 1....Pe82.Lxe7Dxe73.Pe2givesWhitedecentplay.Knighttod4andattack!. 1....Dxe5costsaqueen2.Lf4Dd43.Lxh7+. 5)1....Lxd42.Lf4Thisin-betweenmoverefutesthecaptureond4.After2.Pxd4Txd43.Th4(3.Lf4Txf44.gxf4

Dxf4+5.Kb1Pe5)3....f54.Dxe6+(4.f3Dxg35.fxg4Te46.Dh2Txc4+7.Lc3)4....Dd7thereisnoadvantageforWhite.Nowfollowsafter2....e5thewinning3.Pxd4afterwhichPg4hangstoo.

 6)1.h4!(1.c8D+Kxc82.h4Kd7;1.h3Kxc7)1....gxh32.c8D+Kxc8(defendingbystalemate) 7)1.Tf5+g52.Kh3Txf23.g4Exploitingvulnerability:abadpositionoftheking. 8)1.Dc5+Kb8(1....Dc72.Dxd5)2.e6fxe63.Lf4+Exploitingvulnerability:abadpositionoftheking. 9)1....Pf2+2.Kh2Pg4+3.Pxg4hxg44.Kg1Ke1andBlackisearlier.(transposing/liquidatingtoapawnending)10)1.Lh1(1.Lc6e42..Kg5Kf3)1....e42.Kg5e53.Kf5(keepingthelastpawn)11) 1.Ka1(1.g8DTb2+2.Ka1Tb1+)1....Tb32.Th5(avoidingstalemate)12)1.Dxh6+Lxh62.Txh6+Kg73.f8D+Kxf84.Th8#Exploitingvulnerability:abadpositionoftheking.

46  1)1....Lxf3(1.…dxe42.Pxe4bringsinless)2.Txf3(luringanddiscoveredattack) 2)1....Ph5.Thismovecomesintoviewifitturnsoutthatotherknightmovesleadtoadisadvantage.2.e6isadangeroustry

whichcanbeonlyansweredwith2.…Lxg53.Pxg5Pf4.Op2.De3(totakeone7andtoplayg4)playsBlack1.…Tae8andon3.g4the3.…f6istheanswer.After2.g3developsBlackwith2.…Tad8

1....Pe82.e6andBlackisintrouble:2.…Pf6(2.…f62.Lf4andTd7follows)3.exf7+Txf74.Pe5andifthemoveoftherook5.Dc4+willcome.

1....Pd5costsafter2.De4apiece. 3)1.Tg4+Txg4(1....Kh82.Txg3)2.Dxe3(eliminationofthedefence:luringaway+materialandapinnedpieceisnota

gooddefender) 4)1.Tb5hxg3(1....Ka72.Dd4+Ka83.Db6;3....Kb84.Dxa6)2.Dxa6+bxa63.Txa6#(eliminationofthedefence

byinterfering) 5)1....Txb5(1....De1+?2.Kg2Txb53.Dxg7#)2.T4xb5(2.Dxe5Txe5)2....De1+3.Kg2Df1+4.Kh2Pf3#

Exploitingvulnerability:abadpositionoftheking. 6)1.Ke3!(1.g4?c52.g5(2.Ke4Kd2!3.Kd5Kd34.Kxc5Ke4)2....c4;1.Ke4Kd22.g4c53.Kd5Kd3)1....c5

2.Kd3!Kb23.Kc4!(3.g4?Kb3)(pawnrace) 7)1.Pxa6Lh6(1....Dxa62.Dxc5)2.Txd6(2.Dd3Dxa6)2....Dxd63.Dxc5Dd2+(in-betweenmove–squareg7

becomesavailabletotheking) 8)1....Te82.Dd4+Dg7(2....De53.Pf2Dxd44.Txe8+Lxe85.cxd4)3.Dc4De5(thepin:attackingapinnedpiece) 9)1.Lxf7+Kxf72.Pg5+Kg83.luring,targetingandtrapping)10)1.Dd4Pe52.Lb2(2.f4?Tc43.De3b4)2....De73.Txc8Txc84.Dxe5(eliminationofthedefence:luring

away+material)11) 1.Da5+(1.a8D?Dc1+)1....Kxa52.a8T+(2.a8D+?Kb43.Db8+Kc34.Dxb1)2....Kb63.Tb8+(X-raycheck–

avoidingstalemate)12)1.Tdxd7+Dxd72.Df8+De83.Dd6+Kc84.Dc7#Exploitingvulnerability:abadpositionoftheking.

47  1)1.Pe5Dxd62.Pd7+(X-rayprotection)2.…Kg73.Pxf6(targetinganddoubleattack:knight) 2)1.c5.Normallyyouexaminemoveslikethisone:theblackknightcangotosquared5.Ontheotherhand,thereissomething

infavourof,Blackmustcapture(otherwise2.Pxf7).After1....Lxe52.Lxe5Blackmustgiveanexchangewith2....De73.Ld6Txd64.cxd6Dxd6.ThatisapleasantadvantageforStep4.Badis2.…Dd73.Lxf6gxf64.Tg3+.

1.Td1isahealthymovebutwith1.…Pd7Blackexchangestheactiveknight.Anotherplanis1.…c5. 1.h3isusefulforlaterbutafter1.…Pd7Blackexchangestheactivewhiteknight. 3)1....Txf32.Txd5Txf4 4)1.Dxe4(1.Ta7Pg5+2.Kh4Pf3+)1....Dxe4(1....Dd7+2.Kh4dxe43.Ta7)2.Ta7+Kh63.Df8+ 5)1....Pxd42.Dxd4Pxd53.Dxd5 6)1.Lh4!h1D(1....Lxd72.exd7h1D3.d8D+Kf74.De7#)2.e7+Kf73.d8P# 7)1....Kc7(1....Kb72.Dd7+Kb83.Dd6+)2.Df7+Le73.Dxe7+Kc64.De6+Kb5 8)1.De8(1.Dg8Pd2+2.Kg1Dxe1#)1....Pd2+2.Kg1 9)1.Lg4+(1.Te2?Df6)1....Kh42.Te2Txe23.Dg3#10)1.Da5Exploitingvulnerability:athreatwhichisdifficulttoparry.11) 1.La3and2.Lb2(trapping)12)1.La5f52.b6(cashinginapassedpawn)

48  1)1.Lf4Pxe62.Lxg3Pf63.Txa5Exploitingvulnerability:abadpositionofthepieces. 2)1....Dxa12.Pxf6+Kf8(eliminationofthedefence:luringaway+material) 3)1....Dxc2+2.Lxc2Txc2+3.Kb1Lxa2+4.Ka1Pb3#(attackingtheking) 4)1.Pxd5Exchangingisthebestandcontinuingdeveloping:1.…Dxd5and2.Tad1(hasthedisadvantagethata5isnot

protectedanymore)or2.Pd4.BlackwillplayLf8,Te8andTac8.Forbothsidesitisdifficulttomakeprogress. 1.f6doesn’tworkafter1.…Pxc32.bxc3gxf63.gxf6Lxf6becausef7isprotected. 1.Ta4doesn’tworkbecauseof1....Pxf4andcheckonh3. 5)1.b4axb42.axb4Pb73.Txd7+(chasingawayanddoubleattack:rook) 6)1....Pxe42.fxe4Lxc33.De2Afterthecapturesawinningpinremains. 7)1.Txd4exd42.Df5+Df73.Dc8+ 8)1.Txb2(1.Lb4+?Kg8)1....Ld4+(1....Lxb22.Lc3)2.Kh1Lxb23.Lc3(3.Lc1?Lf6)3....Ke74.Lxb2

(discoveredattack) 9)1.Dc2+!Ke6(1....Kf42.Dc7+Dxc7+3.Kxc7;1....Kg52.Dg2+;1....Ke52.Dc3+)2.Dc6+!Kf5(2....Ke5

3.Dc3+)3.Dd7+Dxd7+4.Kxd7Ke56.Kc6(6.b4?Kd5)(transposing/liquidating)10)1....Tg82.Ta4Tg3Exploitingvulnerability:abadpositionoftheking.11) 1.Pf6+gxf62.Txd7(2.Lc6Pc33.Lxd7+(3.Txd7Pxd14.Txd1+Ke7)3....Ke7)2....Txd73.Lc6(clearing

anddoubleattack:bishop)12)1.Txh6+gxh6(1....Kg82.Th7Pf5(2....Tf73.Dh5g64.Dxg6+Kf85.Th8#)3.Dh5Ph64.Txh6gxh65.

Dg6+Kh86.Dxh6+Kg87.Dg6+Kh88.Tf3e59.Dh5+Kg810.Tg3+Dg411.Txg4#)2.Dxh6+Kg83.Dg6+Kh84.Tf3e55.f5(5.Dh5+!Kg86.Tg3+Dg47.Txg4#)(attackingtheking:access)

49  1)1.Le4Dxe42.Dxb5+Kc83.(eliminationofthedefence:luringaway+materialormate) 2)1.Tb7!(1.Ta5?Pf6+!2.Kd4Kc73.Txa7+Kb6)1....a52.bxa5!Pc5+3.Kf3!(3.Kd4Pxb74.a6Pd6;3.Kf4

Pxb74.a6Pc55.a7Pe6+6.Ke5Pc7)3....Pxb74.a6Kc75.a7(transposing/liquidatingandcashinginapassedpawn)

 3)1....Txh4+2.Kg2Dxg3+3.fxg3Txg3+4.Kf1Txg1#Exploitingvulnerability:abadpositionoftheking. 4)AknowntypeofpositionfromtheSicilian.Whitehasastrongknightond5butifthereisinsufficientsupportthentheknight

isjuststanding.Blackcantrysomething.Themistakeswillcomelater. 1....f52.Lf3(badis2.f3fxe43.fxe4Da7)2....Lxd53.Dxd5+Dxd54.exd5a5 1....Tac8isanotherwayofplaying.Therookwillgotoc5andf5onalatermoment. 1....Lxd5.Thismoveleadstonothing:2.Dxd5(withoutexchangeofqueenshasBlackplay)2.…Dxd53.exd5. 5)1.Lc7+Kc82.Da6+Db73.Ld6+Exploitingvulnerability:abadpositionoftheking. 6)1.Dxb2(1.Txd5?Txc22.Lxc5Kf6)1....Dxd12.Dxe5+(doubleattack:queen) 7)1....Ta4+2.Pe4Lxe43.fxe4Ta3Exploitingvulnerability:abadpositionoftheking. 8)PictureGMGiriandGMCarlsen,GMErwinL’Amiinthebackground. 9)Picture10)1.Dh4Dd6(1....g52.Dh6Tcc83.Tf7)2.Dxd8+Dxd83.Tf8+(eliminationofthedefence:luringaway+mate)11) 1.Pc2Txc12.Kb2Tg13.Tg8+(luringandchasing:X-raycheck)12)1.Ld5c62.Txb7cxd53.Pxd5(thepin:attackingapinnedpiece)

50  1)1.Lc5Tc2+2.Lxd4Txc73.T8b7(cashinginapassedpawn) 2)1.e5dxe52.Pxf6+(2.Pe7+Lxe7+)2.…Dxf63.Dxf6(clearingasquareanddiscoveredattackthankstoapinnedpiece

isnotagooddefender) 3)1....Pc3(1....Pxd22.Tc8+Txc83.Dxd5+)2.Tc8+Txc83.Dxd5+(discoveredattack) 4)1.Lc5.Thebishophasthewholediagonaltof8undercontrol.Blackdoesn’tneedthisdiagonalsoplayingthebishoptoe3

makessense.BlackcanplayPf6-h5-f4butwiththebishopone3thatisnotpromising. 1.Tad1Thisdevelopingmoveisnotpossibleyet.Aftertwotimescapturinge4hangs. 1.c4Thismovefromagamebyayoungchildisnotgood.Whitemaynotoccupysquared4directly(thathappenedand

broughtnothingafter2.Pxd4Txd43.Lb4).Firststrengthenthepositionwith1....Ph5i.e..2.Lc1Pb4or2.Tad1Pf43.Txd7Txd74.Td1?Dg6.

 5)1.Pc8+(1.Pc6+Ka62.Pb8+Ka73.Pc6+=)1....Dxc82.Dxe4Dc5+3.Ka4(defendingagainstmate) 6)1....De32.Kf6Kf83.Df5Ta6+Exploitingvulnerability:abadpositionoftheking. 7)1.Lc7(1.Lc5Pd72.Lb6Dc8)1....Da8(1.…Dc82.Pd6)2.Txe8+Dxe83.Txf6(discoveredattackand

eliminationofthedefence:capturing+material) 8)1.c4Kb32.Kd5(2.Kd4Kxa43.c5Kb5)2.…Kxa43.c5(exchangingeverythingexcepttherook’spawn) 9)1.Te1(1.Tf1?Lf22.Txf2exd3)1....e32.Tf1e23.g4#Exploitingvulnerability:abadpositionoftheking.10)1.c6+!Kxa72.Kg1!(2.Kg3?Ka83.Kxh3La74.Kg4Ld45.h4Lc36.h5Lxa57.h6Lc3)2....Ka83.Kh1La7

(drawbystalemate)11) 1....d52.Thb1Dd6+3.Tb4a5Exploitingvulnerability:abadpositionoftheking.12)1....Th1+2.Kg3Td13.De3Td3(thepin:chasingthefrontandbackpiece)

51  1)1.Lc8(1.Le2?Ke62.Lg4+Kf63.Kc2Txe7)1....Txc8(1....a42.Lg4a33.Kc2a24.Kb2)2.e8D+(cashingin

apassedpawn)(Boll 2011) 2)1....Txf32.gxf3Pd43.Db1(3.axb4Pcb3+(3....Da1+))3....Pcb3#(eliminationofthedefence:capturing) 3)1.Te6Lxe62.Lxf6(eliminationofthedefencebyinterfering) 4)1....Txd52.Dxd5Lxh2+3.Kxh2Dxd54.Txc5+punishesthecapturingond5. 5)1....Pc3+2.Ka1(2.Kc1Dxb2+3.Kxb2Tb5+4.Ka3Pb1+)2....Dxb2+3.Kxb2Tb5+4.Ka3Pb1+5.Ka4

Pc3+(drawbyperpetualcheck) 6)1.Pxg6+hxg62.Dh5+(2.Th7+?Kg8)2....gxh53.Th7#(attackingtheking:access) 7)FantasticpositionforWhiteandyethecannothesitate.IfBlackgetshisbishopond8,therookfroma7isavailableagain. 1.Th4.Therightwayis:playingaquickg4.After1.…Kf7(1....Tag72.T1h3)2.g4c5Whitewaitsamomentwith

takingonf5andplays3.T1h2toexchangetherookong2later.Theplanisgxf5,Th5andTg2.AfterexchangingrooksWhitecanworkwithPd6thankstotakinginbetweenonh6.

1.Tg1Le72.g4Ld83.Tgg3andxg4andTg7+.Whiteisbetterbutitisstillmoredifficulttomakeprogress.Theblackpiecesperformtheirtasksreasonablywell.

1.Th5.Thegamemove.Blackplays1....Kh7andbringshisbishoptod8.Thegameendedinadraw. 8)1....De22.f6+Kg63.Tc8Tg1+4.Kxg1Dg2#Exploitingvulnerability:athreatwhichisdifficulttoparry. 9)1.Dh8+Ke72.Dg7(2.Dg8Td1+3.Kh2Dxe5+)2....Dc1+3.Kh2Kd84.Df8+(4.Dg8+Kc75.Tc3+)

4....Kc75.Tc3+Exploitingvulnerability:abadpositionoftheking.10)1.Db3+Kh82.Te1(targetingandtrapping)11) 1....Lf8(1....Lc5?2.Pd6c3(2....Lxd6stalemate)3.Pe4)2.Pd6c3(avoidingstalemate)12)1....Pc5+2.Kd4Tf4+3.Ke5Pd3+4.Kd6(chasinganddoubleattack:knight)

52  1)1.Th8+Kf72.Tc1Ke73.Tc7+(3.Thxc8?Txc84.Txc8Txa2)3....Ld74.Txa8Exploitingvulnerability:abad

positionoftheking. 2)1.Tb8+Lf82.Txf8+Kxf83.Ld6+(3.Dd6+Kg84.Dxc5)3....Kg84.Dxa6Txa65.Lxc5(eliminationofthe

defence:luringaway+materialanddoubleattack) 3)1.Pd5+Ke82.Dxf7+Kxf73.Pf4+Ke74.Pxh3(defendingagainstmate) 4)1.Dc4Dxc4(1....Db62.Lxd5)2.dxc4(lineopeningandthepin:pin) 5)1.Lh3!Ta82.Pe5Whiteactivateshispieces,chasestheblackonesbackandpreventscastling(Pxf7). 1.Pe50–0notabadplanifWhitewillfollowwith2.Lh3.After2.…Tc7(c6mustremainprotected)3.Lh6mustBlack

handinanexchange. 1.h3.Themoveplayed.Forthetimebeingthemovehasnousenutandthepawndeprivesthebishopasquare. 6)1.Da2+Kh82.Lg5Dd63.Df7Exploitingvulnerability:abadpositionoftheking. 7)1.Dg3+Kxh6(1....Kf62.Dg7+Ke63.De7#)2.Kf7Kh5(2....Dh5+3.Kf6)3.Dg6+Kh44.Dh6+Exploiting

vulnerability:abadpositionoftheking. 8)1....T7c3(1....Txd22.Txd2Tc1+3.Td1)2.Dd4Tc13.Pf1Txd14.Dxd1Tc1(chasingawayandpin–

exploitingtheweaknessofthebackrank) 9)1.Ph6+Kh82.Df6Tg83.Dxf7threatensmateandafter3.…Tc8follows4.Dxg8+andsmotheredmate)10)1.Le7Tf72.Lb4(settingupabatteryanddiscoveredattack)11) 1.Ke8!(1.Kc7?Dc4+2.Kb6Da6+3.Kxa6)(zugzwang)12)1.Tf8+Txf82.d8D(cashinginapassedpawn)

53  1)1.Dg7+Kh32.Dg4+Kh23.Kf2(3.Dxh5+?Kg2)3....Th34.Df4+Exploitingvulnerability:abadpositionofthe

king. 2)1.Td8(1.Kc4Txb22.Td8Te4+)1....Txe72.Kc4Txb2(2....Kc73.Td2)3.Td7+Txd7(defendingby

stalemate)(Belenky 1954) 3)1.Tb3Pd4+2.Kd7Pxb33.Kc8Exploitingvulnerability:abadpositionoftheking. 4)1....g5.Movesthatweakentheking’swingaremostofthetimenotconsidered.Aweaknessisonlyanuisanceifthe

opponentcanmakeprofit.Theknightistheonlypiecenearby.After2.f3(2.Pf3Lxf33.gxf3Df4)2....Lh5(logicalbutalso2....Lf5isgood,becausetherookswillbeactivatedafter3.Pxf5exf54.Txe7Txe75.Dc2De8)3.g4gxh44.gxh5Df4Blackwinsmaterial.

1....Df4.Bringingthequeenintotheattackislogicalbutafter2.g3Dh63.f3or3.Dc2Blackhastoofewattackers.Ofcourse,hispositionremainsOK.

1....e5triestoactivatetherooksbutafter2.Pd2itwillnotsucceed.Thee-pawnhindersthequeenandtheknight.Besides,Ph4canreturntof3safely.

 5)1.De8+Kh72.Txh6+gxh63.Dxf7+Kh84.Le5+Exploitingvulnerability:materialsupremacy. 6)1.g4(1.Da5hxg3+2.fxg3Lxd3)1....Lg62.Da5(preventingcounter-attack) 7)1....Ld42.g3Td1+3.Kg2Tg1+4.Kh3Lxe5(settingupabattery,in-betweenmoveandliftingthepin) 8)1.c8T!(1.c8D?stalemate)1....Txc42.Th8+!(2.Txc4?)2....Kg43.Th4+Kf34.Txc4(avoidingstalemate) 9)1.Df3!Dxf32.Pg5+Kd53.Pxf3(defendingagainstlossofmaterial)10)1....Pf3+2.gxf3(2.Kh1Dh4)2....Dg5+3.Kh1Txa6(in-betweenmove)

11) 1.Th7+Kxh72.De7+(2.Dd7+)2....Kg63.Dg7+Kxh54.Dg4#(magnet)12)1....Te2(1....Te32.De4)2.Dxf3c6#(mateintwo–bringingintheguard)

54  1)1.Pc7+Txc72.Lxc7(discoveredattackandpin) 2)1.Lf8+Kg52.Txb5+Kf63.Lh6(chasingandthepin:pin) 3)Drawing 4)1.Le3.Surprisinglyenoughonlyawaitingmovewins(tof2,g1andc5satisfiesaswell).Blackmustmoveawayandthe

kingchasesthebishopaway:1....Kc82.Kc6Kd83.Kb7. 1.Lb6+Kc8(after1....Kd7?canWhitemakeuphismistake2.Lf2Kc73.Le3Kd84.Kc6Kc85.Ld4)2.Kc6

Lc7(well-knownactionsinmoreendgames)3.a7Lb8andthepromotionleadstostalemateortoinsufficientmaterialtowin.

1.Le5+Kc82.Kb6Lxe53.a7Ld4+coststhea-pawn. 5)1.Th8+Kg72.Lxe5+dxe53.Th7+Kf64.Txf7+ 6)1.f4Pc42.Lc3f63.f5Lf74.Lxf6Exploitingvulnerability:badpositionofthepieces:trappingbyblocking,in-between

move,chasingawayandpinplayarole. 7)1.Dc1+(1.Db1+?Kxb12.bxa3Kc23.Kb4Kd34.Kxa4Kc4;bxa3?stalemate)1....Ka22.Da1+(2.bxa3?

stalemate)2....Kxa13.bxa3Kb24.Kb4(transposing/liquidating) 8)1....Pg3+2.hxg3Lg2+3.Kxg2Dxg3+4.Kh1Dh3#(attackingtheking:access) 9)1.Db5e22.Txf2e1D+3.Tf1Dc34.fxe5(defendingagainstapassedpawn)10)1.Txb8+Dxb82.Df5Kd73.Df7+(pinandeliminationofthedefence)11) 1.Kc2(1.Lc1Dd4+2.Kc2g1D;1.Ke2Df1+2.Ke3g1D+)1....g1D(1....Db2+2.Kd1Db1+3.Lc1)2.Lc3+

(defendingagainstapassedpawn)12)1.Lxg7+Ke72.Lf8+(2.…Kxf83.Dxe6)2…Tgxf83.Th7+Tf74.Txf7+Exploitingvulnerability:abadposition

oftheking:luringawayofthewhiterookintervenes.

55  1)1.Tg5(1.Tb7+?Kf8)1....Lf8(1....Lf42.Tf5+Kg63.Txf4)2.Tg7+!(2.Txg8?Lxh6)2....Lxg7+(2....Kf6

3.Kxg8)3.hxg7(cashinginapassedpawn) 2)1.La5+(1.Lc3?Dxd52.Lxg7(2.La5+Ke73.Td1)2....Te8)1....Ke72.Lc3Dxd53.Lxg7(in-betweenmove

andX-rayattack) 3)1.Txg7+Kxg72.De7+Kg6(2....Kg83.Th7)3.Dh7+Kg54.Dh6+Kg45.Dh4#(attackingtheking:access) 4)1.f4exf42.e5Ofcourse,Whitetakesawaysquaresfromtheblackknight.2.…a5(otherwiseplaysWhitea5)3.Txf4all

whitepiecesaremoreactivethanBlack’spieces.Itisinstructivethatafter1.…f62.fxe5fxe53.Th5Kf6Whitemustnotdirectlysnapwith4.Th6+and5.Txb6.After5.…Pd6Blackcanexchangerooksonb8rooksandhegetscounter-play.Correctis:4.Ke3and5.Tf1+.

1.Tdh1.Thegamemove.Doublingtherooksisuseless.Enteringdoesn’tsucceedandattackingh7bringsnothing:1....f62.Tg1a53.Ld3Pd64.Tgh1Le85.b3Lg66.Pe2Pb77.Pg3Pd68.Ke3Pf7

1.Th5f6.Itispointlesstoprovokemovesthattheopponentwantstoplayanyway. 5)1.Dd8+b62.Dd1bxc5(2....Txc53.b4#;2....Pxa33.Dd2#)3.Dd8#Exploitingvulnerability:abadpositionofthe

king. 6)1.Kd3(1.Kd5Kg62.Ke6Kh53.Kf6Kh44.Kf5Kxh35.Kxg5Kg36.Kh5Kxf37.Kh4Kg28.Kg4f3)

(defending) 7)1....dxc42.Tc3(2.La4Txa23.Ld7Td8)2....Td83.Le3cxb3(liftingthepin) 8)1....c42.Pc7+(2.Pd4Pd3+)2....Kd83.De3(3.b3cxb34.Pxa8b25.Td1Dxa2)3....Kxc7(eliminationofthe

defencebyinterfering) 9)1.Tde1(1.Te5?f6)1....Dd72.f6(eliminationofthedefencebyinterfering)10)1....Ke8(1....Pf62.Txc7+Kxd83.Txg7)2.Txc7h6(defending)11) 1....Le22.Ld4Lxd13.Txd1e5(trappingandpin)12)1.Pd6Lxd6(1....Pxf42.Dxf7+Kh83.Pxe8)2.Dxd5Txe1+3.Txe1Td84.Dxd6(eliminationofthedefenceby

interfering)(Movsesian-VanForeest,Teplice2016)

56  1)1.Da8+Kh72.De4+Tg63.Txd7Exploitingvulnerability:badpositionofthepieces. 2)1.Kxe5!(1.Dxe5?Pc6+)1....Pf7+2.Kf6Pxh83.e5!(drawduetoinsufficientmaterial) 3)1.Pd6(1.Pg5?Kg82.Db3+Dd5)1....h6(1....Txd62.Db8+;1....Dxd62.De8+)2.Pf7+(eliminationofthe

defencebyinterfering) 4)1.b4axb32.axb3Thesemovesshouldbeprintedbelowthediagram:1.…Thc83.Kg2T6c7(defendingagainstapin).

1.Tc3isthebestmovebutBlackisjustapieceup. 5)1.Th8+Kxh82.b8D+Kh73.Dg8+Kxg8(3....Kh64.Dh8+Kg55.Dh4#)4.Dc8+Kh75.Dxh3+(drawby

perpetualcheck) 6)1.Dd5Dc8(1....Dd62.Te1Kf73.Dc4)2.Te1Kf73.Dc4(3.Te2Ld64.Df5)(thepin:attackingapinnedpiece) 7)1.Ph5.Whitehasmorepiecesontheking’swingandcaninvolvethef-rookintotheattackwithf4-f5;alsoTd1-d3isan

option.After1.…Pd7(1.…Lxe52.Dxe5islosing)2.f4andWhitebuildsanattack.

1.Pg4.Blackcan1.…Lxd4play(or1....Dxc42.Pxf6+gxf63.Dg4+Kf8)andafter2.Pxh6+Kf8–nothingisgoingon)

1.c5.PlayedinanU14game.After1....Lxe52.dxe5Pd73.De3b6Whitemissed4.Td4(doublingwithtempoandpinning).Blackmustputhisknightond5onthesecondmove.

 8)1.Td8+Pc82.Dxe5+Ka73.Pxc8+Ka84.Pb6+Ka75.Db8#Exploitingvulnerability:abadpositionoftheking. 9)1.f7+Txf72.Dd8+Kh73.Lxd5Exploitingvulnerability:abadpositionoftheking.10)1.Lxc5Lxc52.Txc5bxc53.Lb7(luringawayanddoubleattack:bishop)11) 1.Lg8Txg82.fxg5+fxg53.Dxf1(luringawayanddiscoveredattack)12)1.Lg7+Kg82.Tf8+Txf83.Dh8+Kf7Exploitingvulnerability:abadpositionoftheking.

57  1)1.Ka6e6(1....e52.Dd7#;1....Kxc62.De6#)2.Dc5#(Schneider 2016) 2)1.Ke6Kd3(1....Kf32.Dg3#)2.Dc3# (Holm) 3)1.Df4a4(1....Kb62.Db8#)2.Db4#(Kacheev 1976) 4)1.De6b5(1....b62.Dc8#;1....Kb62.Kd7#)2.Kc7#(Herbert 2016) 5)1.De7Ka2(1....a22.De1#;1....axb22.Da3#)2.Dxa3#(Sjelotnotsko) 6)1.Dd8Kg4(1....g42.Dh4#;1....Kh62.Dh8#)2.Dd1#(Redlin 2016) 7)1.a4Kc5(1....c52.Da3+;1....Kxa42.Dc4#)2.Dd4#(Nikitin 1995) 8)1.Db5Kxe6(1....c52.Dd7#;1....c62.De5#)2.Dc6#(Tylor) 9)1.Da3d4(1....Kd42.Db4#;1....f32.De3#)2.Da8# (Marzwalaschwili)10)1.Db5Kd6(1....d52.Dc6#;1....d62.Df5#;1....f62.Dd5#;1....f52.De5#)2.Db6#(Commandeur 1947)11) 1.Dd7Ka6(1....a62.b4#;1....b52.Dxa7#)2.Da4#(Ernst 1996)12)1.Ke7f2(1....h52.Df6#;1....Kh52.Dg4#;1....Kf42.De5#)2.Dg4#(Kuligin 1989)

58  1)1.Dg2Kf4(1....Kd32.Txf3#)2.Txf3#(Szentgyorghi 1927) 2)1.Kf4h6(1....hxg62.Dh8#;1....Kh42.Th6#)2.Tg4#(Kirichenko 2000) 3)1.Ka5Ka2(1....b6+2.Kxb6#;1....(c42.Kb6#)2.Kb6#) (Loyd, 1890) 4)1.Ke5c6(1....Ke72.Dh7#;c5Qb7#;1....c52.Db7#)2.Dh7#(Galitzky 1903) 5)1.Tb2c3(1....Kc32.Dxe5#;1....Ke42.Dg4#)2.Tb4# (Di Vinzenci 1996) 6)1.Df2e5(1....h32.Tg1#;1....Kh32.Df3#)2.h3#(Bogdanov 1973) 7)1.Kd3Ke5(1....h52.Dd4#)2.Dd4# 8)1.Ta3d4(1....c42.Dd1#;1....Kc42.Df1#)2.c4#(Kirilov 1985) 9)1.Kc5e3(1....c22.Da3#;1....Ke32.Kc4#)2.Dh7#(Gold 1902)10)1.Da1b4(1....e52.Da2#;1....Ke52.Tc5#)2.Da5#(Fadayev 1982)11) 1.d4d6(1....d52.Da6#;1....Kf62.d5#)2.d5#(Keidanski 1902)12)1.Dh5d6(1....d52.Tc6#;1....f62.Dd5#;1....f52.Dg6#)2.Df5#(Groenroos 1980)

59  1)1.Pb5cxb52.Ta6#(Schachnasarjan 1992) 2)1.Le4dxe42.Td8# (Anónimo) 3)1.Ld3g5(1....Kh72.Th5#)2.Pg8#(Olejnik 1989) 4)1.Pxc2dxc2(1....d22.Pe3#)2.Td8#(Reitman 1994) 5)1.Td4f6(1....f42.Td5#)2.Td5+(Popow 2006) 6)1.Ta5g3(1....g52.Le8#;1....Kg52.Lc6#)2.Le2#(Kowbassa 1987) 7)1.Le6h4(1....Kh42.Pf3#)2.Tf5#(Milošeski 2004) 8)1.Td4Kxe52.Lg7#(Onada 1995) 9)1.Le6Ka3(1....b22.Kb4#)2.Ta1#(Peretjaka 1990)10)1.Le2f1D(1....g62.Pf7#;1....g52.Tf6#)2.Th5#(Saks 1996)11) 1.Lc8h1D(1....g22.Tg7#)2.Td2#(Kowbassa 1994)12)1.Ta7Kb5(1....b62.Ld7#)2.Ld7#(Smoljanovic 2002)

60  1)1.Lf5Kxf72.Ld7#(Davey 1947) 2)1.Lg2Kd52.Kf4# 3)1.Te5Kf4(1....Kh42.Lf2#)2.Lh2#(Stolbow 1995) 4)1.Kd3Kb52.Kc3#(Efimow 1983) 5)1.Td5Ka3(1....Kc32.Le1#)2.Lc5#(Rodionow 1992) 6)1.e3Kf32.Td2#(Galma 1999) 7)1.Pd2c1D(1....c1P2.Tb1#;1....a42.Ta2#)2.Pb3#(Andrejew 1997) 8)1.Ke2Kg22.Pf2#(Speckmann 1972) 9)1.Kb2Kb42.Tc4#(Bantipow 1994)10)1.Kb6b3(1....c42.Txb4#)2.Ta1#(Tschernjawski 1995)

11) 1.Td2Kf1(1....h22.Td1#)2.Td1#(Schönberger 1925)12)1.Tb4g32.Kf5#(Dzekcer 1969)

61  1)1.g4h3(1....hxg42.Txg4#;1....hxg32.Txg3#;1....Kg52.Df6#)2.gxh5#(Koschakin 1999) 2)1.Th6Kb5(1....Kd52.De6#;1....f42.Dd3#)2.Da6#(Scheltonoschko 1985) 3)1.Tc7Ke6(1....e42.Dc4#;1....exd42.Df5#)2.d5#(Sorokin 1969) 4)1.Dc5Kf6(1....d62.Df5#;1....d52.De7#)2.De7#(Dittkowski 1926) 5)1.Dd3Ka6(1....a32.Dxa3#;1....b42.Td5#)2.Txa4#(Bolotbekow 1990) 6)1.Db3Kg3(1....g32.De6#)2.Ke4#(Djatschuk 1999) 7)1.Ta8b6(1....Ka42.Db4#;1....a42.Db4+)2.Dd7#(Andrejew 2004) 8)1.Da6Kxc2(1....b32.Dd3#)2.Da2#(Aliowsadsade 1993) 9)1.Dd5Ka3(1....Kc32.Txb3#;1....a42.Dc5#)2.Dxb3#(Andrejew 1997)10)1.Te8Kd4(1....Kc22.Tc8#;1....d42.Tc8#)2.Db4#(Szentgyörgyi 1933)11) 1.Th4Kd5(1....d52.Dc2#;1....c52.d5#)2.Da2#(Birnow 1951)12)1.Db8e4(1....Ke42.Db1#;1....Kf62.Df8#)2.Df4#(Dorochow 1988)

62  1)1.Pa4a2(1....Kb42.Tb6#)2.Tb6#(Larsson 1927) 2)1.Pxa2bxa2(1....b22.Pc3#)2.Tb5#(Reitman 2000) 3)1.Pc1bxc1D(1....b1D2.Tc2#)2.Tc2#(Juschakow 1985) 4)Drawing 5)Drawing 6)1.Tc1Ka3(1....a32.Pc5#)2.Tc3#(Kaschtschejew 1979) 7)1.Lb1Kf5(1....e32.Pe6#)2.Tf3#(Lichtenfeld 1933) 8)1.Lf7a3(1....Ka32.Pc2#)2.Tc4#(Kaschtschejew 1971) 9)1.Lxe6Ke2(1....g32.Lg4#;1....Kg32.Td3#)2.Lxg4#(Kolpakow 1991)10)1.Ph5Kxh5(1....h32.Tf4#)2.Tf5#(Hoffmann 1967)11) 1.Tf5Kxh3(1....e42.Tf4#;1....Kg42.Tf4#)2.Txh5#(Parshin 1993)12)1.Lb5e4(1....c52.Pc7#;1....c62.Lc4#)2.Tg5#(Lincoln 1996)

63  1)1.Lh7f5(1....f62.Dd5#)2.Lg8#(Gies 1926) 2)1.Dg2+Kf4(1....Kd32.Dc2#)2.Dg4#(Schönberger 1925) 3)1.Lb3e4(1....Kd42.Dd5#;1....Kd22.Dd1#)2.Dd1#(Popov 2009) 4)1.Da8Kc3(1....Kc12.Da1#)2.Dh8#(Osipov 1985) 5)1.Kd5Ka4(1....b52.Da3#;1....a42.Ld2#)2.Dc4#(Andreev 1996) 6)1.Lf2Ke5(1....e32.Lg3#)2.Dg5#(Andreev 2002) 7)1.Dg5c5(1....e32.Dxe3#;1....Kc32.Dd2#)2.Df6#(Zimmer 2007) 8)1.Le8a3(1....Ka22.Lf7#;1....Kb42.Dc3#)2.Db1#(Bogdanov 1974) 9)1.Kf5Kf3(1....Kf12.Df2#)2.Df2#(Kovacs 2010)10)1.Ka3d1D(1....Kd12.Dxd2#;1....d1P2.Ld2#)2.Lh4#(Shinkman 1905)11) 1.Lc2b3(1....e1D2.Dd3#;1....e1P2.Df2#)2.Dc3#(Brixi 1930)12)1.Dh8b3(1....f32.De5#;1....Kf32.Dh3#)2.Dc3#(Lund 1939)

64  1)1.Dc6Kb4(1....Ka62.Da8#;1....b42.Da4#)2.Dc3#(Andrejew 1996) 2)1.Db8Kh4(1....g32.Dh8#)2.Dh2#(Antipow 1995) 3)1.Dc5b6(1....Ka62.Da7#;1....Ka42.Db4#)2.Da3#(Kitschigin 1987) 4)1.Da2Kg3(1....g32.De6#;1....f32.Dh2#)2.Dg2#(Andrejew 1997) 5)1.Dd7Kb6(1....a62.Pc4#;1....c62.Dxa7#)2.Db5#(Junker 1925) 6)1.Dc4Ka4(1....d22.Pc2#;1....a42.Dc3#)2.Pc2#(Andrejew 1997) 7)1.Da4Kc2(1....Ka12.Pc3#;1....bxa22.Dd1#)2.De4#(Biedermann, 1876) 8)1.Dd5Ka4(1....c42.Db5#)2.Dc4#(Antipow 1995) 9)1.De6f4(1....Kh52.Dh6#;1....h52.Df6#)2.Dg4#(Bogdanow 1988)10)1.Kg8f6(1....f52.De8#;1....h52.Dg5#)2.Pf8#(Hobat 1935)11) 1.Dg8Ke3(1....e32.Dd5#;1....a32.Db3#)2.Dg3#(Busch 1967)12)1.De2c2(1....Kd52.De5#;1....d62.Dc4#;1....d52.De3#)2.Dc4#(Grebeshkow 1988)

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