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Hi Patrice, I'm getting illegal moves in Arena when the game is about to end (and cheese is about to lose badly). I played several games Vs. RubyChess 1.6 (which is waaaay stronger and almost always wins) and when the game is about to end and cheese is left with very few pieces, Arena will say "ill...

I would LOVE to have a command something like "elo 1500" and suddenly Crafty would play like the average 1500 player. Easy to say. Very difficult to do and avoid the pitfalls above. Thanks, I understand it's a difficult problem. In current released Cheese version, I reduce the speed (making small d...

I'm trying to use the method explained by Ferdinand Mosca here : http://talkchess.com/forum3/viewtopic.php?f=2&t=71199 Limiting nodes and running 1m+1s games based on Cheese 2.1 = 2811 ELO CCRL : engine nodes elo elo from formula Cheese-22-64-test1 500 472 668 Cheese-22-64-test2 1000 693 836 Cheese-...

Cheese use UCI_Elo and UCI_LimitStrength options.

Thanks Graham.

lnf3fnl/1rwkWI1b1/pppppp1pp/9/9/2P6/PP1PPPPPP/7R1/LNFWKWFNL b Why "Black" and "White" are inverted in Winboard ? In others GUI Black is the first player. Winboard : lns3snl/1rgkG+B1b1/pppppp1pp/9/9/2P6/PP1PPPPPP/7R1/LNSGKGSNL[P] b 0 4 ShogiGUI or BCMGames : lns3snl/1rgkG+B1b1/pppppp1pp/9/9/2P6/PP1P...

I've never concerned myself with perft in my game programs before, but is it supposed to detect checkmates in order to avoid playing past fools mates? I was wondering if perft 7 could be used to enumerate all the shortest mates in shogi. There are 29 mate positions at depth 7 : nodes = 15 086 269 6...

What GUI are using USI protocol ?

Ferdy wrote: ↑

Sun Aug 18, 2019 12:03 pm

Siyam v0.46 perft 1 and 2 results:

Same results for me.

I would like to find time to make a Shogi and Xiangqi engine from my move genenerator.

Thanks, the difference is Nh4g2 and Nh4i2 illegal because of the forced promotion of the Knight. FEN : 7k1/9/9/9/l2s5/6snb/9/9/7K1[GG] b Bi4f1+ : 1 Bi4g2+ : 1 Bi4h3+ : 1 La5a1+ : 1 La5a2+ : 1 La5a3+ : 1 Nh4g2+ : 1 Nh4i2+ : 1 Sg4f3+ : 1 Sg4g3+ : 1 Sg4h3+ : 1 La5a2 : 1 La5a3 : 1 La5a4 : 1 Nh4g2 : 1 Nh...