Questions tagged [candidate-move]
A candidate move is a move that you consider to be interesting in a position. Usually, the term is used for the process of calculating variations. Every variation begins with a candidate move.
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How to come up with candidate moves or ideas in positions "with no action"?
Here is an example position:
[fen ""]
[Startply "40"]
1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Nd5 6. cxd4 Bb4+ 7. Bd2 O-O 8. a3 Ba5 9. Bc4 Nb6 10. Ba2 Bxd2+ 11. Qxd2 d5 12. ...
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Making the best move
It took me a while to realize, that my best move could actually be a blunder or a relatively insignificant move or the wrong approach etc.
I have the impression that there should be a recipe or some ...
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The most efficient valid move generation for minimax
Problem
I am creating a chess engine in Python using Minimax algorithm (with alpha/beta pruning) but I have some issues with performance. Currently the thinking time looks something like this for a ...
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Why is Bd6 better than Be7, Bc5 and Bb4?
[FEN "r1bqkb1r/p4ppp/2p2n2/3p4/8/2N5/PPP1BPPP/R1BQK2R b KQkq - 1 9"]
Be7 protects knight from getting pinned, Bc5 pins the pawn on f2 after Whites, castles, and Bb4 pins the knight.
Whats ...
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What is the best move for black in this game?
[FEN "1k5r/p1p2pq1/2n5/1p1p3n/1P1Pp2Q/P1P1P1P1/1B1K2B1/7R b - - 0 1"]
Today I was playing a game with myself only. This is the condition now it is black to move. What can be the best move in this ...
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Why is the engine evaluating against bringing more attackers in this position?
[FEN "r2qk2r/pQpbbppp/n2p1n2/3Pp3/4P3/2N1BN2/PPP2PPP/R3KB1R w KQkq - 0 1"]
This position is evaluated at +6.4l but if I capture with the Bishop (Bxa6) it drops down to +0.8.
Why does the evaluation ...
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Why does Stockfish suggest capturing a bishop in this position when my opponent can fork my king and rook?
The position in question is:
[FEN ""]
[StartPly "13"]
1. d4 c5 2. Nf3 cxd4 3. Nxd4 Nc6 4. Nc3 e5 5. Ndb5 Bb4 6. Bg5 Bxc3+ 7. bxc3 Qa5 8. Qd5 Nge7 9. Nd6+ Kf8 10. Qxf7# 1-0
It's black turn and the ...
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Amount of search per decision: GMs versus AlphaZero and Stockfish [duplicate]
In Demis Hassabis' presentation at the the Kinds of Intelligence Symposium in January 2018, grandmasters are compared to AlphaZero and Stockfish along an interesting metric: how many moves are ...
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Algorithms to score chess moves [duplicate]
How to score a chess move, which techniques are used to figure out how good a move is?
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Why does ChessMaster recommend 24. Rg3 in this position?
I reached this position when playing against ChessMaster's cyber personality Laura. The engine recommends the line starting with 25. Rg3:
[FEN ""]
[White "Bad_Bishop"]
[Black "Laura"]
[StartPly "48"]
...
user1108
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Is there a chess engine that does NOT use brute-force search?
Every chess engine I've ever heard of (including all I found listed on Wikipedia) uses brute-force search with an evaluation function (minmax algorithm) to decide on its move.
This is not how most ...
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What thought process should one use to find candidate moves?
Do you have a thought process for finding candidate moves?
Once you find all possible candidate moves, how do you narrow it down to your final choice?
Regarding the process, do you have a ...
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