Search found 4339 matches

by MikeB
Wed Apr 14, 2021 2:12 pm
Forum: Computer Chess Club: General Topics
Topic: Can any engine find the winning move here ?
Replies: 19
Views: 550

Re: Can any engine find the winning move here ?

As long as we're talking about oldies , but goodies ( traditionally very hard problems for engines to solve) Plaskett's Puzzle ( posted here many times, actually misnamed as Dutch endgame composer Gijs van Breukelen created this position), English grandmaster James Plaskett presented this puzzle at ...
by MikeB
Wed Apr 14, 2021 6:03 am
Forum: Computer Chess Club: General Topics
Topic: Can any engine find the winning move here ?
Replies: 19
Views: 550

Re: Can any engine find the winning move here ?

this is with another new net ( so was the last one. first run a was tad faster than previous best 39 +5.19 9.72G 2:15.39 Qxe5 fxe5 Rf1 Qe7 Bd1 Rc4 Bb3 b5 a4 a6 Kg2 Qg7 Bxg7 Kxg7 Bxc4 bxc4 Rf7+ Kh6 Kg3 g5 e7 Re8 Rf6+ Kg7 Rxa6 h5 Re6 Kf7 Rxe5 Kf6 Rf5+ Kg6 Rc5 Rxe7 Rc6+ Kf7 Rxc4 Rd7 Rd4 Ra7 Rd5 h4+ Kf3...
by MikeB
Wed Apr 14, 2021 5:19 am
Forum: Computer Chess Club: General Topics
Topic: Can any engine find the winning move here ?
Replies: 19
Views: 550

Re: Can any engine find the winning move here ?

This is NOT a troll, it is a position from a game played by in the 40'. Can any engine find the best and only winning move here? I left Stockfish 13 NNUE for 6 hours and is still looking for the best move, probably somebody with a super fast Machine 6 to 8 times faster than my intel i7 4770 3.40 GH...
by MikeB
Tue Apr 13, 2021 11:27 pm
Forum: Computer Chess Club: General Topics
Topic: Perft 7 -> 1.6 trillion moves
Replies: 3
Views: 437

Re: perft(7) -> 1.6 trillion moves.

Hello Mike: I have computed perft(8) value while I confirmed perft(7) of the first position with gperft 1.1 perft counter. I have also computed the number of unique positions with JetChess 1.0.0.0 perft counter. Here are the results: 4r1k1/p4pp1/2n2n1B/2b5/N6Q/P2q1N2/1r4PP/R4R1K b - - 1 23 Depth is...
by MikeB
Tue Apr 13, 2021 4:39 am
Forum: Computer Chess Club: General Topics
Topic: Bartel- Artemiev Eur OCC 2021 21...Nxh4
Replies: 3
Views: 250

Re: Bartel- Artemiev Eur OCC 2021 21...Nxh4

Game is here : https://www.chessbomb.com/arena/2021-european-online-club-cup-playoff/03-Bartel_Mateusz-Artemiev_Vladislav Not very hard but SF13 needs depth 26 ! :cry: 21...Nxh4!! [d]r3k2r/1p2q3/p2p4/2p1pnB1/6pP/2NP1bP1/PPPQ1P2/R4RK1 b kq - 1 21 Hi Vincnet, I think you will like Bluefish 13.1 singl...
by MikeB
Mon Apr 12, 2021 4:24 am
Forum: Computer Chess Club: General Topics
Topic: Perft 7 -> 1.6 trillion moves
Replies: 3
Views: 437

Perft 7 -> 1.6 trillion moves

This game [Event "HB Global Chess Challenge"] [Site "Minneapolis, MN USA"] [Date "2005.05.19"] [EventDate "2005.05.18"] [Round "2"] [Result "1/2-1/2"] [White "Loal W Davis"] [Black "Magesh Chandran Panchanathan"] [ECO "C59"] [WhiteElo "?"] [BlackElo "2473"] [PlyCount "120"] 1. e4 e5 2. Nf3 Nc6 3. Bc...
by MikeB
Sun Apr 11, 2021 7:39 pm
Forum: Computer Chess Club: General Topics
Topic: Amazing Computer Board on Kickstarter
Replies: 8
Views: 535

Re: Amazing Computer Board on Kickstarter

Everyone should know that more than 75% of Kickstarter hardware projects fail.

I once invested in a retractable dog leash project and even that one failed.
by MikeB
Sun Apr 11, 2021 3:39 am
Forum: Computer Chess Club: General Topics
Topic: Can somebody with 6 men EGTB show how to win with White?
Replies: 13
Views: 493

Re: Can somebody with 6 men EGTB show how to win with White?

Ethereal playing White Versus Igel playing with Black show an evaluation of 0.01 and Igel is showing an evaluation of 0.00. I am NOT using any chess Opening Nor EGTB for this test, Just pure engine evaluation where the two Engines have to show how good is there Opening knowledge and their endgame K...