Search found 1053 matches

by lech
Sat Aug 24, 2019 10:54 am
Forum: Computer Chess Club: General Topics
Topic: Fortress Detection and Evaluation
Replies: 15
Views: 1991

Re: Fortress Detection and Evaluation

--- But my primary question is whether any progress is being made with AB engine coding to detect and correctly evaluate fortresses without such measures. My second question is: can NN engines detect and correctly evaluate fortress positions upon reaching them? --- "Zero" doesn't mean "draw". It me...
by lech
Tue Aug 20, 2019 7:07 am
Forum: Computer Chess Club: General Topics
Topic: Sting SF 16
Replies: 27
Views: 5774

Re: Sting SF 16

"Show" is a new command in Sting 16 ! A guide (bold = input texts) for no GUIs users. sting-sf-16 it starts Sting position fen rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR - kqKQ 0 1 it load position d it displays diagram eval it displays a static evoulation setoption name hash value 1024 it sets has...
by lech
Mon Aug 19, 2019 12:11 pm
Forum: Computer Chess Club: General Topics
Topic: Sting SF 16
Replies: 27
Views: 5774

Re: Sting SF 16

hello Marek, i tried your "autoplay-mode" myself and it works excellently, very intereting to juggle with it ! one question: is it possible for me to use my complete 4 threads that i have to let Sting autoplay positions... if so, how ? ah...beside this: is it possible to abbort the autoplay-process...
by lech
Mon Aug 19, 2019 10:07 am
Forum: Computer Chess Club: General Topics
Topic: Sting SF 16
Replies: 27
Views: 5774

Re: Sting SF 16

hello Marek, i tried your "autoplay-mode" myself and it works excellently, very intereting to juggle with it ! one question: is it possible for me to use my complete 4 threads that i have to let Sting autoplay positions... if so, how ? ah...beside this: is it possible to abbort the autoplay-process...
by lech
Sun Aug 18, 2019 5:24 pm
Forum: Computer Chess Club: General Topics
Topic: Sting SF 16
Replies: 27
Views: 5774

Re: Sting SF 16

hello Marek, i tried your "autoplay-mode" myself and it works excellently, very intereting to juggle with it ! one question: is it possible for me to use my complete 4 threads that i have to let Sting autoplay positions... if so, how ? ah...beside this: is it possible to abbort the autoplay-process...
by lech
Sun Aug 18, 2019 7:26 am
Forum: Computer Chess Club: General Topics
Topic: Sting SF 16
Replies: 27
Views: 5774

Re: Sting SF 16

Hi ! Here's another one where Sting-SF cannot see the draw : [D]4K1bn/5p2/5PpB/6P1/3k4/8/8/7q w - - 0 4 Variation from http://talkchess.com/forum3/viewtopic.php?p=666297#p666297 To understand what happens here, there is needed to know and understand chess, chess rules and alpha-beta search. Try to ...
by lech
Sat Aug 17, 2019 6:58 am
Forum: Computer Chess Club: General Topics
Topic: Sting SF 16
Replies: 27
Views: 5774

Re: Sting SF 16

Hi ! Here's another one where Sting-SF cannot see the draw : [D]4K1bn/5p2/5PpB/6P1/3k4/8/8/7q w - - 0 4 Variation from http://talkchess.com/forum3/viewtopic.php?p=666297#p666297 To understand what happens here, there is needed to know and understand chess, chess rules and alpha-beta search. Try to ...
by lech
Thu Aug 15, 2019 8:52 am
Forum: Computer Chess Club: General Topics
Topic: Mate in 17
Replies: 22
Views: 5037

Re: Mate in 17

1N1n4/2BPbpPb/3r1p2/2p1kP2/2p1p1P1/2p1P2K/p1P3RP/3R1N1q w - - 0 1 This position is mate in 17 with 1.Rg3 but is very hard for engines. Can your engine find it? Ignacio. If you try to solve a mate x position by engines, let it be the only one way to win. In other case engines can keep the fastest (g...
by lech
Tue Aug 06, 2019 8:29 am
Forum: Computer Chess Club: General Topics
Topic: how much time does your engine need to see the draws?
Replies: 4
Views: 1172

Re: how much time does your engine need to see the draws?

k5b1/2p3p1/8/1p1p1p1p/1P1P1P1P/2P3P1/8/7K w - - Sting uses extended searching (auto-playing) and returns draw or mate (and full solution) in each position. position fen k5b1/2p3p1/8/1p1p1p1p/1P1P1P1P/2P3P1/8/7K w - - go movetime 500 play h1g2 a8b7 g2f3 b7c6 f3e3 g8e6 e3e2 c6d6 e2e3 e6d7 e3d3 d6e6 d...
by lech
Tue Aug 06, 2019 8:21 am
Forum: Computer Chess Club: General Topics
Topic: Sting SF 16
Replies: 27
Views: 5774

Re: Sting SF 16

Hi ! This position should be evaluated as a draw (because white king goes to hide on h1 and g1). [d]8/8/8/3k2p1/4N3/2b1P1pP/4K1P1/8 b - - 0 1 Indeed Sting can do it by auto-playing (extended searching). position fen 8/8/8/3k2p1/4N3/2b1P1pP/4K1P1/8 b - - go movetime 1000 play d5e4 e2f1 e4e3 f1g1 e3e...