Search found 1844 matches

by peter
Sun Jan 05, 2020 10:58 am
Forum: Computer Chess Club: General Topics
Topic: Is Bg4!! the best move? Does you engine find it/ agreed it?
Replies: 19
Views: 1892

Re: Is Bg4!! the best move? Does you engine find it/ agreed it?

...Bg4 has the edge (over the not much worse ...Bb6!? and the also not much worse ...Rcg8!? e.g.) MV4 after about 75 minutes ongoing with hash (32G) full from Backward of the 4 most relevant lines, hardware same as above, depth 47/85: 1kr4r/pppq1p2/2npbn1p/2b1p1p1/4P3/1BPP1NB1/PP1N1PPP/R2Q1RK1 b - ...
by peter
Sun Jan 05, 2020 9:26 am
Forum: Computer Chess Club: General Topics
Topic: Is Bg4!! the best move? Does you engine find it/ agreed it?
Replies: 19
Views: 1892

Re: Is Bg4!! the best move? Does you engine find it/ agreed it?

Leela's main line! About the thread's questions, yes, ...Bg4 has the edge (over the not much worse ...Bb6!? and the also not much worse ...Rcg8!? e.g.) and yes, "my" engine SF finds/agrees, but no, it doesn't "struggle" and it doesn*t need Backward to "find" 1...Bg4. Started with empty hash (32G) a...
by peter
Sat Dec 21, 2019 7:26 pm
Forum: Computer Chess Club: General Topics
Topic: Bishop ( same color ) Endgame. SF kept all her pawns into same color as enemy bishop.
Replies: 2
Views: 668

Re: Bishop ( same color ) Endgame. SF kept all her pawns into same color as enemy bishop.

Fishcooking claims, that after 43...f5?? game is lost. Difficult position with 5 piece syzygy SF is long clueless 4b3/1p6/p2k2p1/3p1p2/3P1PBP/P1P5/7K/8 w - - 0 1 Postion before 44...f5? is a very deep Zugzwang avoid move test. Crystal without tbs at 12x3GHz, 32G hash: 4b3/1p6/p2k1pp1/3p4/3P1PBP/P1P...
by peter
Tue Dec 17, 2019 6:44 am
Forum: Computer Chess Club: General Topics
Topic: Position : Win or Draw ?
Replies: 25
Views: 1990

Re: Position : Win or Draw ?

I now wonder if the position can be modified in a way where it's not trivial to know if the position is a mate or a draw. Well, you just gave such an example on your own already. Michael's position : draw: 3k4/1p3n2/1Pp3p1/2Pp1p2/3P1P2/4P3/4K1N1/8 w - - 0 1 http://talkchess.com/forum3/viewtopic.php...
by peter
Mon Dec 16, 2019 5:15 pm
Forum: Computer Chess Club: General Topics
Topic: Position : Win or Draw ?
Replies: 25
Views: 1990

Re: Position : Win or Draw ?

Hello folks, some may have forgotten that Chiron has pawn blockage recognition. Chirons sees a dead draw!New game Line 3k4/1p3b2/1Pp3p1/2Pp1p2/3P1P2/8/4K1N1/8 w - - 0 1 Analysis by Chiron 2 64bit: 1.Kf2 Ke7 2.Ne1 Kf6 3.Nf3 Be8 4.Kg3 Kf7 5.Kh4 Kg7 6.Kg5 Bd7 7.Ne5 Be8 8.Nf3 Bd7 9.Ne5 Be8 10.Nf3 The p...
by peter
Mon Dec 16, 2019 2:07 pm
Forum: Computer Chess Club: General Topics
Topic: Position : Win or Draw ?
Replies: 25
Views: 1990

Re: Position : Win or Draw ?

So what about this one? 3k4/1p3n2/1Pp3p1/2Pp1pP1/3P1P2/4P3/4K1N1/8 w - - Can we just keep adding useless white pawns forever but it's still always a draw? Don't know, if you'll find more useless pawns to add, but the one you added this time, already isn't useless at all anymore of course, guess you...
by peter
Sun Dec 15, 2019 11:43 pm
Forum: Computer Chess Club: General Topics
Topic: Position : Win or Draw ?
Replies: 25
Views: 1990

Re: Position : Win or Draw ?

This initial position is not a black knight but a black bishop 3k4/1p3b2/1Pp3p1/2Pp1p2/3P1P2/8/4K1N1/8 w - - 0 1 So win or draw ? Draw of course, I thought that had been clear from the very start. Just let it play out Sting and it soon finds out, its eval at the starting position is simply way too ...
by peter
Sun Dec 15, 2019 11:40 pm
Forum: Computer Chess Club: General Topics
Topic: Position : Win or Draw ?
Replies: 25
Views: 1990

Re: Position : Win or Draw ?

How about this one: 3k4/1p3n2/1Pp3p1/2Pp1p2/3P1P2/4P3/4K1N1/8 w - - 0 1 Komodo does a little better Best one so far Fritz17 (Ginkgo). With empty hash: 3k4/1p3n2/1Pp3p1/2Pp1p2/3P1P2/4P3/4K1N1/8 w - - 0 1 Analysis by Fritz 17 Popcnt0: 1.Nh4 Ke7 2.Nxg6+ Kf6 3.Nh4 Nd8 4.Nf3 Kf7 5.Kd2 Kg6 +/- (1.23) Dep...
by peter
Sun Dec 15, 2019 10:21 pm
Forum: Computer Chess Club: General Topics
Topic: Position : Win or Draw ?
Replies: 25
Views: 1990

Re: Position : Win or Draw ?

How about this one: 3k4/1p3n2/1Pp3p1/2Pp1p2/3P1P2/4P3/4K1N1/8 w - - 0 1 Komodo does a little better Brainlearn with empty hash: 3k4/1p3n2/1Pp3p1/2Pp1p2/3P1P2/4P3/4K1N1/8 w - - 0 1 Analysis by BrainLearn 6.0 64 POPCNT: 1.Nh4 g5 2.Nxf5 gxf4 3.exf4 Kd7 4.Kd3 Ke6 +/= (0.39) Depth: 7/11 00:00:16 29kN .....
by peter
Sun Dec 15, 2019 9:11 pm
Forum: Computer Chess Club: General Topics
Topic: Position : Win or Draw ?
Replies: 25
Views: 1990

Re: Position : Win or Draw ?

Komodo does a little better LC0 net 49921: 3k4/1p3n2/1Pp3p1/2Pp1p2/3P1P2/4P3/4K1N1/8 w - - 0 1 Analysis by Lc0 v0.23.0 2xRTX2080Ti syzygy: 1.Nh4 Ke7 2.Nxg6+ Kf6 3.Ne5 Nd8 4.Nd3 Kg7 5.Kf2 Kh6 6.Kg2 Kh5 7.Ne1 Kh6 8.Nf3 Kg7 9.Kg3 Kf6 10.Kh3 Kg7 11.Ne5 Kh7 12.Kh4 Kh6 13.e4 dxe4 14.Kg3 Kg7 +- (1.93) Dep...