This tag refers to chess games played by computers. If you want to ask a question about those games, use this tag. Otherwise, use the tag [engines].
Questions tagged [computer-chess]
189 questions
8
votes
2 answers
Human and computer vs computer alone
How much stronger are human/computer teams vs. computers alone? My understanding is that that advantage is enough to be decisive, especially in correspondence play, but just how large is it?
Demi
- 181
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7
votes
2 answers
Alpha Zero vs Stockfish, French Defence, is this move for Black better?
I'm referring to the French Defense (C11 ECO code) game where Alpha Zero played 30. Bxg6 ! , sacrificing a bishop for a better position. After Alpha Zero's move 30. , I couldn't find any good moves for Black. However, after the earlier move by White…
David Bernier
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4
votes
1 answer
Polyglot Opening Books vs. Chess Opening Tree
Depending on the GUI, I have noticed some use polyglot files for their opening books and others use .ctg(chess opening tree) for their opening books.
Is there an advantage or disadvantage to either or is it based solely on the programmer's…
hangejj
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3
votes
0 answers
How to slow down replay in Arena
I am using arena to play through pgn games.
Unfortunately the replay feature is far to fast for me.
I have tried to slow it down by changing the settings in levels but this does not work.
Thank you for your help.
adam.888
- 131
- 1
3
votes
4 answers
Are computers playing good chess beyond what humans can see?
It is more than a decade now that no human has beaten a top chess program, and now there are computer vs computer matches continuously running and getting results. Those results are used by programmers to improve the algorithms. The improvement is…
Mephisto
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2
votes
3 answers
Theoretically, shouldn't analysis of any chess move have exactly nine possibilities?
Since chess is finite and deterministic, it is theoretically possible to objectively label any position as winning, losing, or drawn. For example, it seems very likely that the starting position is drawn.
Therefore, the current system of "score"…
Zubin Mukerjee
- 709
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1
vote
2 answers
An interesting question from a Leela vs Komodo blitz game
In a blitz game between Leela zero and Komodo, the following position came up.
[title "Leela Zero vs Komodo"]
[fen "8/8/2p3k1/4bpp1/2P3P1/4BK1P/5P2/8 w - - 0 1"]
With White to move. Or WHITE King on f3 Bishop on e3 pawns on c4 f2 g4 h3 BLACK King…
Stefano
- 379
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1
vote
1 answer
Where can I find the saved games or PGN files in the Play Magnus app?
I have completed games on the Play Magnus app and clicked on the option "Export game as PGN file " but I don't know where to find those saved games.
Himanshu Gupta
- 11
- 2
0
votes
3 answers
Is the following position a fortress ? Or can White win?
White to move. Can White win?
[FEN "5Q2/kp6/1p6/1P2K3/r7/1P5/8/8 w KQkq - 0 1"]
Stefano
- 17
0
votes
1 answer
In a blitz game , Leela zero failed to win a winning 7 pieces endgame. Why?
The following position : WHITE King on e2 Bishop on d1 Knight on d2 pawn on f3 BLACK King on d7 Rook on c4 pawn on c5 BLACK to move Is a 7 Pieces endgame indicated as a White win by Syzygy 7 Pieces tablebases. In a blitz game , though , the game…
Stefano
- 17
0
votes
0 answers
Are there still "unsolvable" positions for computers, post Alpha Zero?
Yeah, yeah, duplicate...
Dupe A
Dupe B
...but the times they are a-changing. For example, I tried this "rambling rook" piece by Henneberger, Lichess Stockfish found a #31 on depth 93 or so. The famous Nxb6 trap (can't find it offhand) has long been…
Hauke Reddmann
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- 70
0
votes
2 answers
Can my pc calculate to depth 125 in 15 seconds, if a chess engine is programmed well?
I have a PC, an AMD RYZEN 7 2700 with minimal graphic card and 8 GB RAM. It has 8 cores and 16 threads.
If a chess engine is programmed well will it be able to calculate to a depth of 125 in 15 seconds? My question to the forum is is it…
Ram
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- 2
0
votes
1 answer
Has the performance of physical electronic chess sets increased similarly to the performance of software based implementations over the years?
From what I understand, the difficulty of most chess engines is determined by how long they are allowed to 'think' about the moves. From what I understand, the performance of software based chess applications has increased massively over the years,…
enigma
- 103
- 3
-1
votes
1 answer
Why wouldn't the PC take the bishop?
In this scenario, I do not understand why the computer did not do Bxa6.
There could be an argument that he did not want to exchange the pieces, if white follows with Nxa6, but if he does not take the bishop, then in the next turn, white can make…
Enrique Moreno Tent
- 101
- 3
-2
votes
1 answer
A complex position with only eight pieces on the board ( computer chess )
[fen "8/6pk/N7/8/8/4rN1P/6PK/8 b - - 1 1"]
with Black to move or WHITE King on h2 Knights on a6 f3 pawns on g2 h3 BLACK King on h7 Rook on e3 pawn on g7 with BLACK to move. Is this eight pieces position a win for White or a draw ? The position is…
