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Questions relating to chess engines: any computer program that is able to play/analyze chess positions.

3 votes
Accepted

Calculating the precise number of combinations of possible moves from a given position

Your estimate is a bit high. In particular you overestimate the number of king moves. At most a king has 8 moves (not including castling which does not apply here), however here, both the black and th …
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7 votes
Accepted

Can someone explain the positional advantages for white?

You evaluate the position statically which only rarely works. As for your static evaluation you are correct, that the black bishop is stronger and that the pawns take some squares on the fifth rank. O …
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3 votes

Defeating 1600 rated chess computer on chess.com

Some engines just count the levels (1,2,3...) instead of claiming a fake rating. …
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48 votes
Accepted

Why does Stockfish undervalue pawns when compared to the classical "a piece is worth three p...

Stockfish (or similar engines): Unlike humans, engines assign numerical values to all factors. The numbers you mention are just a small part of the evaluation function. …
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4 votes

Which steps were blunders and inconsistencies?

Generally, black: neglected development weakened the light squares around the king White should have opened the position with moves like d4 or even Nxe5 sometimes. Opening the position is a stand …
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8 votes
Accepted

Why was castling bad for white in this game, and engine strongly prefered trading queens?

Castling (9. 0-0) is not a very bad move. You still have a very solid advantage after it due to being a pawn up and having the better pawn structure (black's pawns on a7, c7, c6 are weak and vulnerabl …
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13 votes
Accepted

Is it possible for a move to be recomended by engines but rejected by professional human pla...

I see three situations, where something like you describe could happen: wild tactical positions with open king, where moves have to be very precise and many humans might be too scared to enter such …
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1 vote

Website that decode chess moves?

Many people advised me that I should analyze my own games. Good advise, but unfortunately impossible to do for a beginner. In short is there a website/engine that decodes the chess moves from …
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4 votes
Accepted

Is it wise to resign a game if the win is only apparent too many moves ahead?

For beginner players, who tend to blunder a piece or mate in one regularly, there is no point to resign early. Any game, even in (objectively) clearly lost position will help them to gain experience. …
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3 votes

The principal variation is always wrong!

Computer engines are not good for deciding on one opening variation over another, since in practical play there are more important factors than what the computer thinks is a centipawn advantage. …
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1 vote

Custom chess (game) engine

As for your second request (it will beat any human in that version), this is impossible with traditional chess engines, because they rely heavily on evaluation functions which are specific and finely tuned … The second part could probably be solved in alpha zero type of chess engines, but those are not available yet for the general publice, as far as I am aware. …
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7 votes
Accepted

Engine recommends a move that (I think) loses a pawn

In short: White can sacrifice the pawn on a2 and will gain a quicker development of his pieces. The technical term for this is compensation. In detail: In the current position, both sides have not de …
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34 votes
7 answers
20k views

Hardware used in AlphaZero vs Stockfish match

I understand that AlphaZero has to use a different kind of hardware than regular Stockfish. I would expect that the hardware has a large effect on engine strength. That's why I wonder whether there ha …
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7 votes
4 answers
2k views

The end of anti-computer chess

In the old days it was possible to beat computers basically by playing slow, closed positions with weaknesses that can be exploited in the long term, beyond the calculation depth of the engine. As fa …
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0 votes

Can a chess engine tell you why a move is bad or good?

In principle one could try to monitor the change in all those factors separately (instead of only their sum as engines do). …
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