IoT Chess Lars Gregori, 19.10.2014

Intel® IoT Roadshow Munich

N={“d”, 4}

universal chess interface (UCI)

• position [fen <fenstring> | startpos ] moves <move1> .... <movei>

• go – depth <x>

– nodes <x>

– movetime <x>

– infinite

– …

stockfish bench

Galileo Gen 2 =========================== Total time (ms) : 689366 Nodes searched : 7328585 Nodes/second : 10630 Edison =========================== Total time (ms) : 86494 Nodes searched : 7328585 Nodes/second : 84729

i7 (Release) =========================== Total time (ms) : 4546 Nodes searched : 7328585 Nodes/second : 1612095 BeagleBone Black Rev. B =========================== Total time (ms) : 66319 Nodes searched : 7804908 Nodes/second : 117687

Demo

• Edison (Chess server)

– stockfish ../../redis-cli -h 192.168.2.97 set bestmove "`cat test2 | ./stockfish | grep bestmove.*`"

• Galileo (Chess client)

– redis

– LCD: ./lcd2 "`redis-cli get bestmove`"

Stockfish data

position fen 3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - -

go movetime 2000

Thank you

+LarsGregori @choas