Questions tagged [analysis]
Questions relating to the objective assessment of a position. The assessment may entail which side has the advantage, or what the best move might be.
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Why is exchanging these knights the best move for white?
Why is exchanging these knights the best move for white? I'm trying to understand how to get better with strategy and tactics.
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Why does the engine dislike white in this position despite the material advantage of a pawn and other positional factors?
After a trade that sacrified a bishop and a knight for two pawns and a rook, the game reached the following position: (White to move.)
[FEN "2r2qk1/1b1n1pb1/p4n1p/1p4p1/4P3/1BN2P2/PPP3PP/R2Q1RK1 ...
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Why is the engine suggesting this move?
[FEN "r1bqk1nr/p1ppbppp/1p6/n2P4/8/2N5/PPP1QPPP/R1B1KBNR w KQkq - 3 7"]
1. g4
With White to move, the Lichess engine suggests g4 in this position. Can someone explain why it's a good move?
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Why is Bf8 a blunder in this position?
Here is an analysis of a game I played recently in Chess.com app. I won this match in move 19 as the opponent resigned.
Please see the image attached for the position. On move 16, after the White ...
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Lichess summary analyzer tool
I'm trying to find an online tool that I had once used to analyze my games. It allowed me to import thousands of my games from Lichess and showed what my most common opening mistakes were. The only ...
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A question about a puzzle
It's White to move. Why does Stockfish evaluate 13. Kh1 so much higher than 13. Rf2? They both seem like reasonable options for me, yet the former is evaluated +7.95 for white and the latter is at -0....
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How could I have prevented this long drawn out game?
Consider the following game. I am black.
[FEN ""]
1. e4 g6 2. d4 d5 3. e5 e6 4. Nf3 b6 5. Nc3 Bb7 6. Bg5 Be7 7. h4 Nc6 8. Bd3 Qd7 9. Qd2 O-O-O 10. Nb5 f6 11. exf6 Bxf6 12. a4 h6 13. Bxf6 ...
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I am trying to understand chess moves
Hi I am trying to learn chess, and when I review my moves, I just don't understand how Nd4 is a good move and how nh4 is a blunder.
Thanks.
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Guessing who has to play next
Assume an observer sees a chessboard in the middle of a game. At which point in a game does it become impossible to determine who has to play next between White and Black?
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Stockfish depth calculations
I'm using Stockfish to analyze my blunder filled games for blunders.
Let's say you send stockfish a FEN for a position and then calculate to a given depth ...
position fen the-starting-position
go ...
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Why was the engine giving such positive evaluations for my game with equal material?
I just played a game on chess.com that was roughly equal material until the final move (I was one pawn up for most of the game) but the engine favours my position to the extent that by move 12 I had a ...
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Why is this a better move?
Playing on chess.com against the first advanced bot, "Antonio", I've lost a game and looked at the analysis.
The following is the state of the game not far from the beginning, where I had ...
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Why does Stockfish recommend Kg2 here?
When I turn on threat analysis and it gets to a depth of 24, it says Black wants to play Qe7 or Nh7 (after the latter, White's recommended move is again Kg2). I imagine the point of White's move is to ...
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Why is bishop to h8 the best move in this position?
I don't understand how that move is a good move, much less the best move according to this chess.com analysis.
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A deceptively simple eight piece endgame
I am in the dark about the following endgame, with white to move. May someone with FinalGen (or a powerful engine) give me a response? Is it a White win or a draw?
[FEN "8/1k6/5R2/P7/1KP4p/5P2/8/...
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Guide to understanding engine analysis output
Not having played for decades, I am getting back into chess, with all the great programs. I have Shredder 13 and Fritz 17. Both can output very impressive analysis. But for an effective newbie, where ...
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Why does white not play cxd4 here?
I am Black and my opponent is White. Here the computer recommends Rxd4, which I have done (the rook captured bishop here).
[FEN "4r1k1/1pp2pp1/p6p/4q3/P2rPn2/2P1QP1P/1P4P1/R4RK1 w - - 0 1"]
...
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Can luck be used as a strategy in chess?
Consider below games where white looses a clean rook quite early in the opening but fights on hoping that they will be lucky and escape. Lucky enough, they escape and win the clearly lost game.
[Event ...
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How would you play this position as White?
[FEN "r1bq1rk1/2p1ppbp/p5p1/1p1n4/3PNB2/1P2PN2/n4PPP/2RQKB1R w K - 0 1"]
I'm not sure what move makes the most sense in this scenario. I would love to learn from others.
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Why is an early e5 against a Yugoslav setup evaluated at +2.6 according to Stockfish?
I was looking at analysis on one of my games and found this variation against a Yugoslav attempt against the Sicilian Dragon which Stockfish 12 instantly says is +2.6 for white:
[FEN ""]
[...
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Why is this "slow move" with the king a good move?
rn1qkb1r/1p3pnp/p1p1p1p1/3pP3/3P2P1/2NBBQ1P/PPP2P2/2KR3R w kq - 0 13
Stockfish (depth 30) says the best move is Kb1 with +1.5 evaluation.
I'm having trouble to understand why.
The a2 pawn is not ...
user24703
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Sites to understand errors
There are several sites where one can analyse his/her game. I often use lichess at the end of a game to see where I made mistakes. What I miss, though, is some kind of explanation of why a certain ...
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Comments and advice on a game that I played against 1.h4
I was playing a game with the Black pieces the other day against 1. h4. The reason why I wanna discuss this game with you is that during the game I always felt that my position is not stable, and at ...
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How to do forward analysis in Fritz
In Arena chess, there is an option to do analysis in direction, 'forward or backward'. Check the picture.
I think by default, Fritz does backward analysis. Is there a way to change it into forward ...
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How to view Arena Chess analysis in a chess program?
I made an analysis of a chess game in Arena Chess with stockfish engine. The analysis completed successfully. My question is how can I watch this analysis in a chess program.
Arena chess says it made ...
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How can I do batch analysis of games?
I want to run a batch analysis of games and produce output like Lichess computer analysis. I want to do this offline on my desktop PC. Since Stockfish is free, there must exist some solution. Does ...
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In this position why shouldn't the knight capture the rook?
The white knight is going to move to e6. However, the computer advises the rook to capture the pawn in b2. Even after the knight moves to e6, forking the queen and the rook, it advises to NOT capture ...
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How does his 3 step plan by Petrosian works?
[FEN "r6k/3q2bp/1p6/2pPp1p1/2P1QpP1/5P2/1P2R2P/2B3K1 w - - 0 1"]
Here Petrosian gives the following 3 step winning plan:
Stage 1: Tie down the black pieces to defense of the e pawn: 13.Bd2 ...
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How many possible chess moves are there?
Starting from the standard initial position, how many possible legal chess moves are there in this and all possible following positions?
Say, ignoring the starting position, a bishop can move to 32 ...
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Given a legal chess position, is there an algorithm that generates a series of moves that lead to it?
Given a FEN board position, is there an algorithm that can return a PGN move list that evaluates to it from the standard initial position?
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What are some free chess software for showing the best moves in the final output analysis?
I appreciate any free chess software that can be used for analyzing chess games. However, some of them are difficult to use, showing a large number of lines with many moves which are not displayed in ...
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Novelties at great depth-are they worth it? [closed]
I was reviewing some of the Speed Chess Championship games and came across a really interesting novelty from Nakamura.
[Event "Speed Chess Championship 2020"]
[Date "2020.12.09"]
[...
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Can someone tell me if this is a checkmate or stalemate?
[FEN "5rk/Q1p2p1p/4p1p/2Pq2b/3P2n/4P1Pb/PP1B1P1P/R2R2K w - - 0 1"]
Apparently, the system says that it's checkmate, but I don't get it. Can someone please explain it?
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Question about the computer's valuation
My friend recommended me this good community. However, I'm new to this format so I had no idea about including a chess game in my text. By looking at the previous questions, there should be some way ...
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How to interpret lines of play computed by Stockfish during annotations
I am learning how to use Stockfish to analyze my games, and I had a question on how to understand Stockfish's output.
Consider the screenshot when I request stockfish 12 to annotate my games inside ...
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How do I respond as Black to 1. e4 e6 2.e5?
What is the best way to respond in the French Defense to 2. e5? It has to be wrong to play this way. I am of the opinion that d5 is a good answer. I can find no reference to this move in MCO.
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lichess puzzle 61124
I am a beginning chess player, and just had a look at lichess puzzle 61124. The following contains spoilers.
The solution to the puzzle is supposedly Rd4, then the follow-up move from white is Nb6, ...
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I'm new to chess-what should be done here to win the game?
[FEN "8/8/8/8/3k1KB1/8/8/8 w - - 0 1"]
I am new to chess and have no clue as to how to win this game. Which moves can be done with what is on the board in order to win? Could anyone explain?...
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Why should I expect that black moves Rxd2 after I move Bxe3 in this puzzle?
I've been playing a few puzzles for a couple of days, and I see that often the final move to chessmate is easy to spot, but earlier moves aren't (to me).
In this case, for instance, why should I ...
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Is there a mathematical way to determine whether going to depth n+1 would be x% likely to recommend the move at depth n?
I have a chess GUI which I've recently been updating to do preemptive searches (that is, depth searches for all possible opponent moves) that I'd like to speed up, since the bot searches go to at ...
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An interesting eight pieces Queen endgame
Looking at a human game between strong players, one of the variations reached the following endgame WHITE to move.
[FEN "4Q3/8/2pK4/1p6/1P4k1/P7/8/7q w - - 0 1"]
Since Qxc6 is a draw (...
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Some strange moves in Polgar vs Najer (2009)
In the 2009 match between Judit Polgar and Evgeniy Najer in Richard Riordan GM Blitz the following strange(?) opening sequence of the Najdorf was played
[White "Judit Polgar"]
[Black "...
user25182
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Why is it a mistake to capture the forked rook?
In a recent game, I forked a queen and rook with a knight. After seeing no immediate threats from 8. Qf4 I immediately captured with 8. ...Nxb3. Apparently this was quite a mistake (a 213 centipawn ...
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NNUE Based Engines - Post Move Analysis
Its a bit of a wordy question as there is a lot of background to provide context for thinking and analysis so for that I apologise you can skip the background if you want but it might provide some ...
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Continuation for white in the Bishops opening variation: 1.e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4 Nf6
I am currently reading Chess Openings: Theory and Practice - I.A Horowitz. The first opening displayed in the book is a variation of the bishops opening: 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3. ...
user25182
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Why didn't Carlsen try to force exchanging Queens on move 23 against Vokhidov?
During the 2018 World Rapid Championship in 2018 in St. Petersburg, Magnus Carlsen played Shamsiddin Vokhidov.
White starts with setting up a Scholar's Mate, but Black doesn't fall for it.
Then on the ...
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Batch Solve Tactical Positions
What is the best software to take a pgn file of positions and solve them in a one-step operation? I am not referring to chess compositions or "mate in n" problems but tactical positions. Is ...
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The best move in this Crazyhouse position according to Stockfish
I just played my first few games of Crazyhouse, and I really don't understand it. At one point I had this position.
[Title "White to move"]
[FEN "r2q1rk1/pbb2pp1/n1p1p2p/1p1nP3/2pPN3/...
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Tablebases say this position is drawn, but Stockfish disagrees-What does that mean?
Today I found myself in the below position as black (me to play). My gut told me it should be a draw, but as my opponent and I are both fairly weak there was a significant chance one of us would ...
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How rankings or ratings of the players are determined before the next tournament?
My question is and I would like to know, Chess grandmasters Bobby Fischer[AMERICA}, Boris Spassky[RUSSIA], Anatoly Karpov[RUSSIA], and Garry Kasparov[Russia]played against one another in many ...
