Search found 929 matches

by MikeGL
Sun Jul 05, 2020 7:34 am
Forum: Computer Chess Club: General Topics
Topic: Leela crushes any resistance in this position
Replies: 24
Views: 841

Re: Leela crushes any resistance in this position

On my quick analysis with engine at the background, this seems to be a forced win as long as the position is not oversimplified. Just exchange one rook and maintain 1 R + N + B. The game seems to be a forced win for black. [Event "i7-5960X 4.5GHz / 2x 2080 Supe"] [Site "i7-5960X 4.5GHz / 2x 2080 Sup...
by MikeGL
Sat Jun 27, 2020 3:51 am
Forum: Computer Chess Club: General Topics
Topic: Why is this Rook Sacrifice is SO GREAT ? ? ?
Replies: 16
Views: 690

Re: Why is this Rook Sacrifice is SO GREAT ? ? ?

q3r2k/1R4p1/2n1p2p/3pP2P/5PP1/p1P1n1B1/R7/1Q4K1 w - - At this point of the game, Lc0 is already too passive and is losing. Too late to save the game. There are 8 or 9 winning moves together with Rxg7. This could be the reason why Rxg7 is not picked up quickly, because position of white has overwhel...
by MikeGL
Sat Jun 27, 2020 3:44 am
Forum: Computer Chess Club: General Topics
Topic: Looking for uci engines with piece value options shown
Replies: 21
Views: 542

Re: Looking for uci engines with piece value options shown

The King and other old versions of Chessmaster from CM9000 up to the last version I think.
by MikeGL
Tue Jun 23, 2020 5:31 am
Forum: Computer Chess Club: General Topics
Topic: LC0 uses positional skills to "Lock Down" Gull 3
Replies: 4
Views: 421

Re: LC0 uses positional skills to "Lock Down" Gull 3

I analyzed this game again, there is no big nor any obvious blunder committed by Stockfish 11 here. It just lost, probably horizon problems up to endgame. Thanks for that entertaining game. here's another one where SF11 was crushed in a B vs R exchange sacrifice of Lc0. Don't know where SF11 made mi...
by MikeGL
Tue Jun 23, 2020 5:19 am
Forum: Computer Chess Club: General Topics
Topic: Hard Puzzles found on Gameknot
Replies: 48
Views: 1272

Re: Hard Puzzles found on Gameknot

Thanks for the solutions posted. Could be a cook due to many alternative quick mates. Yes i agree with your line, maybe your mate in 17 solution was the intended solution by the composer with B promotions twice: [Event "Puzzle"] [Site "Talkchess"] [Date "2020.06.23"] [Round "?"] [White "SF"] [Black ...
by MikeGL
Mon Jun 22, 2020 2:43 pm
Forum: Computer Chess Club: General Topics
Topic: LC0 uses positional skills to "Lock Down" Gull 3
Replies: 4
Views: 421

Re: LC0 uses positional skills to "Lock Down" Gull 3

Thanks for that entertaining game. here's another one where SF11 was crushed in a B vs R exchange sacrifice of Lc0. Don't know where SF11 made mistake but it reported +5 eval then after a few moves realized SFs own eval was wrong, SF was actually losing. [Event "?"] [Site "?"] [Date "2020.06.15"] [R...
by MikeGL
Sun Jun 21, 2020 2:54 pm
Forum: Computer Chess Club: General Topics
Topic: Hard Puzzles found on Gameknot
Replies: 48
Views: 1272

Re: Hard Puzzles found on Gameknot

+M25 7R/p7/Ppp1B1p1/R1n1B2r/4kP1P/3p1p1P/3prp2/3Kb2N w - - 0 1 [Event "Talkchess"] [Site "M25 Puzzle"] [Date "2020.06.21"] [Round "?"] [White "SF"] [Black "SF"] [Result "1-0"] [BlackElo "2400"] [Time "22:32:32"] [TimeControl "480+5"] [SetUp "1"] [FEN "7R/p7/Ppp1B1p1/R1n1B2r/4kP1P/3p1p1P/3prp2/3Kb2N ...
by MikeGL
Sun Jun 21, 2020 1:13 am
Forum: Computer Chess Club: General Topics
Topic: Hard Puzzles found on Gameknot
Replies: 48
Views: 1272

Re: Hard Puzzles found on Gameknot

Thanks for that link. Seems there are unsolved puzzles there too. http://jornalheiros.blogspot.com/p/chess-problems.html Mate puzzles but some were already solved in comment section of the blog. Here's the possible Mate in 63 and also M62 solutions (using SF and manual analysis) There's a glitch in ...
by MikeGL
Sat Jun 20, 2020 1:42 pm
Forum: Computer Chess Club: General Topics
Topic: Hard Puzzles found on Gameknot
Replies: 48
Views: 1272

Re: Hard Puzzles found on Gameknot

+M27 [Event "M27 Puzzle"] [Site "Talkchess"] [Date "2020.06.20"] [Round "?"] [White "SF"] [Black "SF"] [Result "1-0"] [BlackElo "2400"] [Time "21:28:45"] [WhiteElo "2400"] [TimeControl "480+5"] [SetUp "1"] [FEN "k4n2/ppp1NK1p/2pB2p1/1Q6/3p4/4rpb1/RP3rP1/4q1nb w - - 0 1"] [Termination "normal"] [PlyC...
by MikeGL
Sat Jun 20, 2020 1:03 pm
Forum: Computer Chess Club: General Topics
Topic: Hard Puzzles found on Gameknot
Replies: 48
Views: 1272

Re: Hard Puzzles found on Gameknot

Here's the possible Mate in 63 and also M62 solutions (using SF and manual analysis) There's a glitch in M62 puzzle. My interface keeps on reporting 50-move-rule draw, because there's no capture. Maybe that, or there is a more efficient mate reaching M62 with captures somewhere. [Event "+M63 Puzzle"...