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.
933
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Detecting traps in chess
Are there any ways to detect if the opponent is setting a trap, without explicitly just "knowing" the position?
21
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2
answers
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What is the deepest Stockfish evaluation of the standard initial position that has ever been done?
Letting Stockfish (14+ NNUE) run for several minutes with lichess' analysis tool on the initial position of a standard chess board lets it reach depths beyond 30 moves, I suppose letting it run for ...
8
votes
1
answer
2k
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Why is this position judged to be so balanced, and why is castling wrong?
For the position after 10...Kc4:
[Title "White to move; castling is considered a blunder"]
[FEN ""]
[Startply "20"]
1. e4 e5 2. Nc3 Nf6 3. Nf3 Bb4 4. Bc4 ...
9
votes
6
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2k
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How to analyse positions more accurately as a total beginner?
In this position I thought I was winning with white, like +2 or +2.5. But Lichess Analysis shows evaluation as -1.4.
[Title "Black to move after Ne5"]
[fen "rn3rk1/1p1b3p/p2n1qp1/3PNp2/...
-1
votes
2
answers
198
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Can you make a lucky brilliant move?
Is it possible to make a brilliancy (a brilliant move) with luck? Or is it so rare that it can only be spotted by the best chess players?
1
vote
0
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105
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Is white winning in chess with the 1st and 8th ranks reversed?
Here is the position I am referring to:
[FEN "RNBQKBNR/pppppppp/8/8/8/8/PPPPPPPP/rnbqkbnr w - - 0 1"]
It seems that there are no forced checkmates for white, any f3-Qh4# plans are thwarted ...
2
votes
2
answers
220
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Why Bxa2 is bad according to Silman?
[FEN "2nr1r2/1pp1q1pk/2n1bp1p/p3p3/4P2N/2P1N1P1/PP2QPBP/3R1RK1 b - - 0 1"]
1... Bxa2 2. Bh3 Nb6 (2... Nd6 3. Rxd6 cxd6 4. Bf5+ Kg8 5. Ng6 Qf7 6. Nxf8 Qxf8)
I found the above position in ...
11
votes
2
answers
1k
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When is it okay to break a pin using kingside pawns?
In the following position, Stockfish recommends h3 followed by g4. I can understand feeling okay to move your kingside pawns in a closed position or an endgame, but I don't know if this position would ...
0
votes
1
answer
292
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Game analysis app for Mac?
I am using a Mac and trying to find an app that can analyse the whole game and tell me where the mistakes/inaccuracies/blunders are, instead of just telling me what I should do for the next move.
The &...
8
votes
3
answers
4k
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Why does Stockfish suggest this move (25. Qxa6?)
In this position, why does Stockfish suggest the move 1. Qxa6?
Also, after 25. ...bxa6, Stockfish also suggests 26. Rd7+, which is followed by 26. ...Bxd7 and 27. Rxd7+.
White would just have traded a ...
1
vote
1
answer
117
views
What is the best Chess Engine to practice latter Middlegame and Early Endgame
I have taken a break from chess for while now, and I am hoping to make a comeback soon. I want to brush up on my latter Middlegame and Early Endgame.
I want to start by analyzing recent GM games. What ...
-2
votes
1
answer
77
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Bogoljubow – Aljechin, Hastings 1922 - Zugzwang?
The German wiki has a whole page devoted only to this game, so I won't paste it here. Even as a very small kid with a rating of 1500 or so, I always wondered: is it really Zugzwang after 40...Qe2? ...
12
votes
3
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How often do Super GMs achieve 100% engine correlation?
There has been speculation that anomalous values of a correlation metric1 may hint to the use of outside assistance.
Example
Examination of Hans Niemann vs Matthieu Cornette surprises:
Hikaru Nakamura:...
4
votes
2
answers
197
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Why trade rook for bishop and knight in this puzzle?
The puzzle https://lichess.org/training/kFzbF has position
[Title "Black to move"]
[FEN "r3rnk1/1bq2pp1/1ppb1n1p/p2p4/3P1B2/P2B1N1P/1PPQNPP1/3RR1K1 b - - 1 16"]
and the solution ...
3
votes
1
answer
186
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Why does White have a large advantage in this position?
[FEN "r3k1nr/pp1b1ppp/4p3/B7/8/8/PPP2PPP/R3KB1R w KQkq - 1 13"]
This position is from ScorpioNN-Minic, in the 23rd TCEC season, after 12...Bd7. ScorpioNN evaluated the position as +2.18, ...
22
votes
1
answer
4k
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Why underpromote? Hjartarson vs Andersen
Chess.com - Praggnanandhaa wins 2022 Reykjavik Open:
he missed a unique underpromotion to a bishop as the only move to win the position
Why does a Queen promotion not win him the game?
6
votes
2
answers
739
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Is The Four Knight Sicilian winning for White?
Consider this variation of the Four Knight Sicilian:
[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 1 0"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. ...
3
votes
2
answers
170
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Why is bxc5 better than b5?
[fen "rn3rk1/pp3ppp/3b2q1/2p1p3/1PP3b1/3P1N2/P3BPPP/1RBQR1K1 w - - 1 13"]
According to me, b5 is a pretty okay option, but according to Stockfish 10+ WASM, (Lichess) the advantage drops ...
4
votes
2
answers
2k
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Why is pawn captures on e5 is a blunder in the King's Gambit?
chess.com says this move is a blunder, so it must be really bad, not simply bad. I don't understand why, and I'm out of my one free daily analysis. Could you please explain why?
I chose this move ...
7
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1
answer
1k
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Can White win this middle game?
I played a game that ended with a draw and this is the end position:
[FEN ""]
[startply "119"]
1. e4 f6 2. d4 d6 3. c4 b6 4. Nc3 Bb7 5. f4 Nd7 6. Nf3 c5 7. d5 Qc7 8. Bd3 a6 9. a3 ...
0
votes
2
answers
170
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What goes through the mind of a chess player in the endgame?
What goes through the mind of a chess player in the endgame?
After learning how to move the pieces, after understanding how the game is divided into stages, and after finding that openings can provide ...
1
vote
1
answer
167
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What goes through the mind of a chess player in the middlegame?
What goes through the mind of a chess player in the middlegame?
After learning how to move the pieces, after understanding how the game is divided into stages, and after finding that openings can ...
0
votes
2
answers
132
views
As regards the opponent's moves, what things do you usually pay more attention to in the openings?
As regards the opponent's moves, what things do you usually pay more attention to in the openings?
After learning how to move the pieces, after understanding how the game is divided into stages, and ...
2
votes
1
answer
252
views
What practices do you recommend for handling openings and variations?
What practices do you recommend for handling openings and variations?
After learning how to move the pieces, after understanding how the game is divided into stages, and after finding that openings ...
1
vote
1
answer
150
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What helps you choose the right opening?
What goes through the mind of a chess player in the opening? In particular, what helps you choose the right opening?
After learning how to move the pieces, after understanding how the game is divided ...
6
votes
1
answer
2k
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Is this endgame winnable for either side?
I'm a complete novice in chess and I don't know if this even qualifies as endgame with so many pieces left, but I ended up in this position playing as black vs. a king's pawn debut. I sort of tried to ...
8
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3
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438
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What free programs do exist to comment chess games? For Windows, Linux, and Mac
What free programs do exist to comment chess games? For Windows, Linux, and Mac.
I know that ChessBase and ChessOK Aquarium can do it. However, it is my understanding that they are not free.
4
votes
1
answer
500
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Why do I get two different ratings for same position (López Opening: Morphy Defense, Caro Variatio) on chess.com?
I've been trying to get back into chess a bit, and noticed the option to practice certain positions - but I've been puzzled by the rating when playing a "Friendly" game (which gives you ...
6
votes
1
answer
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Positional analysis after a dubious move
I was analyzing a game and found that the engine gives -3.42 after 1. Rb1 and +2.72 after the subsequent 1. ...Nc2. Is Nc2 really such a bad move? For comparison, 1. ... Nd5? results in almost the ...
2
votes
1
answer
197
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Can white survive from this position that Stockfish rates even but where every line seems to lose?
I played this game against Stockfish level 4. I am not a good player. I reached a complex midgame and blundered with 34. Qf3, swiftly losing thereafter.
Depicted below is the position just prior to ...
10
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4
answers
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How would the min max algorithm of a chess engine work in the case of 3 player chess?
I understand that for 2 player chess if an engine is playing white, then the engine uses a min max algorithm, which assumes that black will always make the move that is best for black, or worst for ...
0
votes
1
answer
141
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Tool for storing multiple engines analysis of chess positions databse
I am looking for a tool that can store engine analysis of a chess positions database. It should be able to store multiple lines of analysis with complete info like depth, tablebase hits, score, etc.; ...
4
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2
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Ding vs. Rapport, Candidates 2022: Why did Ding play 23.Qxe2 instead of 23.Qxd8?
I'm supporting Ding Liren in the Candidates, so I'm frustrated at his round 3 game:
[FEN ""]
[Event "FIDE Candidates 2022"]
[Site "Madrid ESP"]
[Date "2022.06.19&...
0
votes
1
answer
352
views
What do the dollar, plus, brackets and hash symbol indicate in chess moves notations?
I have a doubt about the notations of writing down moves. Also, all these examples are from real games in the database so I don't think the players were analyzing by trying out different moves etc. I ...
5
votes
3
answers
717
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How do you analyze this position holistically?
So I was solving a puzzle, and I got it wrong in my first attempt, so I checked with the engine and understood the solution. But I think that I am missing some aspects of the puzzle as I'm able to get ...
1
vote
5
answers
478
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White is up +7 in material, why is white still losing?
Why do you think white is losing here?
5
votes
3
answers
226
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Why does f3 weaken white's position here?
Take this game:
[fen ""]
[Startply "13"]
1. d4 d5 2. Bf4 Nc6 3. Nf3 Bf5 4. e3 Nb4 5. Nh4?? Bxc2 6. Qd2 e5 7. Bg3 Be4 (7... Bxb1 8. Rxb1) 8. f3 Bxb1 9. Rxb1
I'm specifically ...
9
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2
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Why is 3...c5 a blunder in the Center Game Accepted?
[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"]
[Title "Center Game Accepted"]
[StartFlipped "1"]
1. e4 e5 2. d4 exd4 3. Qxd4 c5??
Stockfish says that 3…c5 was a ...
2
votes
3
answers
276
views
Does chess intuition take over when you can't see all of the moves ahead? What does chess intuition look like?
This is a broad question about intuition and chess.
I imagine that there is a limit to how far ahead even the best chess masters can see into the future, and how far they can stretch their memory. ...
7
votes
3
answers
3k
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Is white winning if it gets to play the first two moves (an extra tempo)?
Has there been any analysis done on if white wins if it gets a free move in the starting position (let’s say e4)? Then, the game continues as normal.
From a human perspective it seems playing e4 and ...
2
votes
1
answer
548
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Computerized Chess games Analysis
I am looking for the ultimate chess game analysis tool
I used lucas chess which is great but lack some details, I also tried creatica https://chessgame-analyzer.creatica.org/ which is good also but ...
5
votes
4
answers
304
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Explanation of Hard Puzzle #34
Wikipedia defines a chess tactic as:
In chess, a tactic refers to a sequence of moves that limits the opponent's options and may result in tangible gain.
I'm having a hard time understanding a ...
3
votes
1
answer
342
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How can I evaluate a position in 4x6 chess?
For example, here is a 4x6 chess position. Black to move. How can I determine who is winning, and by how much?
Rules:
Chess variant on a small board. Standard rules apply with the following changes:...
15
votes
4
answers
2k
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Why should the knight maneuver to d5 in this position?
In How to reassess your chess from Jeremy Silman there is this position about knight outposts:
[FEN "2r2rk1/pbqnbppp/1p3n2/1Pp1p3/2P1P3/5NP1/PBQN1PBP/R4RK1 w - - 0 1"]
The author argues ...
11
votes
3
answers
2k
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Why can the bishop just take the knight in this Lichess puzzle?
In this Lichess puzzle, after the initial moves
[title "Black to move"]
[fen ""]
[Startply "17"]
[StartFlipped "1"]
1. c4 b5 2. cxb5 Bb7 3. Nf3 g5 4. Nxg5 Bg7 ...
5
votes
1
answer
223
views
Why is this position winning for White?
This position comes from Koivisto-Rubichess, TCEC Season 22 League 1, after 33...Qc2-Qc6.
[FEN "6k1/4b1p1/2q2p1p/r2n4/8/5QB1/5PPP/4RBK1 w - - 2 34"]
Material is equal
White has the bishop ...
6
votes
1
answer
158
views
Why do these convergent lines evaluate differently?
I recently analyzed alternative lines for this puzzle on chess.com.
[Event "French Championship"]
[Site "Val d'Isere FRA"]
[Date "2002.08.23"]
[Round "5"]
[...
7
votes
2
answers
2k
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What's so bad with this pawn advance?
Engines mark White's pawn advance 16. h4 as a 3-point mistake. While I understand that it's going to cost White their g-pawn, which will make White's pawn attack against the castled king much harder, ...
3
votes
2
answers
560
views
King's Indian Attack (KIA) purpose?
The King's Indian Attack usually starts with the following below
[FEN ""]
1.Nf3 d5 2.g3
However, I do not fully understand what this opening is trying to do. I understand that White might ...
2
votes
1
answer
162
views
Is the following same colour Bishop endgame position a win or a draw?
In a very recent European Team Championship, the following position appeared on the board. Is the following position a win for White or a draw? Help from FinalGen is welcome.
[fen "8/4k2p/1p6/p7/...