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 don't masters play 7...e5 against the Fianchetto Variation of the King's Indian?
In the Lichess database, this is the most popular way to play against the Fianchetto Variation of the KID:
[FEN ""]
1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nc6 7.O-O e5
But at ...
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votes
4
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597
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Where was Stockfish's fatal mistake in this game against Leela?
This is a game from the TCEC Season 18 superfinal, which Leela won with a beautiful positional bind.
[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"]
[Event "TCEC Season ...
- 26.1k
5
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3
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279
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Is the Dunst Opening with 3. Nce2 unsound?
I am trying to find a line in the Dunst Opening where:
White's guaranteed to develop his bishop to an active square such as c4 or b5.
Black doesn't get to suffocate White by playing d3.
So far I ...
- 1,967
15
votes
2
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Which methods can be used to prove that a position is illegal?
Given a board position, there are programs that try to find a series of legal moves that lead to it.
Are there algorithms that can do the opposite - prove that the position is not reachable by a ...
- 906
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How do I get Stockfish to write its analysis to a file using a batch file on Windows?
I can get this to work in a Windows Command Prompt window as follows:
stockfish_14_x64_modern.exe
uci
ucinewgame
position fen rnb1kbnr/ppp1pppp/8/3q4/8/8/PPPP1PPP/RNBQKBNR w KQkq - 0 1
go depth 17 ...
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1
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Why are these sequence of steps played to solve this puzzle?
[FEN "rnbqkb1r/pp4pp/2p1pn2/3p1p2/3P4/BP4PN/P1P1PPBP/RN1QK2R b KQkq - 0 1"]
[StartFlipped "0"]
1... Bxa3 2.Nxa3 Qa5+ 3.Kf1 Qxa3
FEN: rnbqkb1r/pp4pp/2p1pn2/3p1p2/3P4/BP4PN/...
- 109
5
votes
1
answer
364
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Why does Stockfish evaluate this position as equal?
After solving the puzzle while I was analyzing this endgame, I was just surprised to see stockfish evaluates this position as equal.
After Ke4, Ke6 (Opposition); Kf4, and f5 -- I can't find out any ...
- 1,114
5
votes
1
answer
235
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A classical Rook vs Bishop endgame (with pawns)
Karsten Müller and Lamprecht give the following ending as a win in Fundamental Chess Ending. However, Houdini 6.02 does not find a win as far as I analyzed.
[FEN "R7/5pkp/4b1p1/3p4/8/5P2/5KPP/8 b ...
- 265
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Online tool for chess analysis: comment, add variations, insert diagrams, print
Sometimes I like to analyze and annotate my own games and print them on paper. This would usually include commenting some moves, adding variations, inserting diagrams for certain positions, etc. I ...
- 193
3
votes
3
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287
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Why does Stockfish evaluate this Lichess puzzle position as so advantageous for Black?
[Event "Rated Rapid game"]
[Site "https://lichess.org/tZI4OlZ3"]
[Date "2021.04.20"]
[White "Paulinos"]
[Black "Qedesh76"]
[FEN "r3qrk1/2pbbppp/...
- 3,587
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5
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781
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What is the point of c3 in the Sicilian Alapin?
In the Alapin variation of the Sicilian, the game goes 1. e4 c5 2. c3. However, this sequence just blocks the b1 knight from its best square, and it doesn't develop anything. Both squares attacked by ...
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Why did Lichess annotate this as a blunder?
Lichess analysis annotated 4. Nf3?? as a blunder preferring (4. Nc3) (see on Lichess). I am trying to understand the ideas that make this a blunder. At depth 23 with Stockfish 13+ NNEU, both were ...
- 3,695
27
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2
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Are there any moves that humans agree are best which engines cannot see?
Are there any moves from real, preferably reasonably well known games which humans agree are great moves, but which engines cannot see, or, at least, think are weak/average?
Here is an example that I ...
- 2,087
8
votes
1
answer
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How does black proceed in the following position?
Shown below is a game I have been trying to solve, Black has been better for the whole game but resigns at the end. On checking the analysis stockfish says black is still better
[Event "Hourly ...
- 807
4
votes
2
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262
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Who is actually winning here?
I came across this interesting position:
[Title "Black to move (with full castling rights)"]
[FEN "r2qkb1r/pp1nn1p1/7p/5N2/3p4/2P2N2/PP2QPPP/R1B3K1 b kq - 0 1"]
On first glance, ...
- 2,779
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0
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409
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ChessBase and Scid vs Pc Annotation
I am legally blind, but I love to play chess. I like to annotate games. Chess.com does it right in my opinion, but only because the arrows are thick and opaque. I am wondering, is it possible to ...
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Why is g3 a bad move here?
Why is the last move by white, g3 on the board below, considered a bad move? It was in a game that I played recently and my idea was to protect the bishop in f4 and give the other bishop more space to ...
- 191
5
votes
1
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492
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Why is the King's Indian often used to play for a win against 1. d4 when it allows an early queen trade?
Lichess's opening explorer database shows a 49% win rate for White wins compared to Black's 41% in the King's Indian, Exchange Variation. Meanwhile, the Master's database shows a whopping 64% draw ...
- 1,967
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4
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889
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How to realize this +2 evaluation in the Ruy Lopez, Steinitz defense
I played a game as White using the Ruy Lopez: Steinitz defense against a lower-rated player (1594 vs. 1500 on chess.com). While I won the game due to a blunder by my opponent in a drawn endgame, the ...
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382
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Clive Ke’s wrong?
As you see, Clive suggests moving the knight, but how on earth can black get a pawn to a3?
6
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1
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2k
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The engine is recommending Qc1 and I cannot figure why it is the best
I tried a lot of variants to induce checkmate or gain material by moving the recommended move Qc1. I tried it instead of Nc4, which the engine considers a blunder. However, I cannot solve why it is ...
- 69
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votes
2
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327
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How can I load a position without kings into an engine?
I would like to be able to do load a position into a whatever possible (advanced) engine without kings. For example, the goal of the game would be to annihilate all the possible pieces instead of ...
- 239
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2
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Is Whale Variation a successful opening?
I am an early, intermediate in chess. I played the Whale Variation (1.e4 e5 2.c4) and won some games as White. But there is an issue when Black moves their knight to d4. I have a problem with it. Is ...
- 23
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3
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237
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Identifying principles and thought processes to use in locating a +3.2 or similar move
[Title "indrekaavik-Swifty15, chess.com, 5/3/2021"]
[FEN ""]
[startply "29"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. h3 c5 6. c4 Nc6 7. cxd5 exd5 8. Bb5 Qa5+ 9. Nc3 ...
- 51
4
votes
1
answer
252
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Queen versus rook endgame: to check or not to check?
Most tutorials the K+Q versus K+R endgame claim that at some stage, the key is to force the rook away from the king, then it is supposed to be easy: give a series of checks and fork/skewer the rook.
...
- 1,772
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1
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199
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I'm struggling to find the full solution of a chess problem
I'm starting to think that this puzzle, found on chess.com here in the 5th post down, does not have a correct full solution. But it features a nice line if Black moves wrongly, so judge by yourself.
[...
- 265
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3
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194
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What is the correct way to play this endgame?
[FEN "4k3/1pp2ppp/p1p5/8/4P3/8/PPP2PPP/4K3 w - - 0 1"]
I win this position vs the computer sometimes, and sometimes not. But I assume there is a principal way to play this endgame that ...
- 2,525
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3
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Why is 12... d4 a blunder?
I recently played a game featuring the Old Sicilian with a bit of a branch-off. White played 3. Bc4 after 2. Nf3 Nc6, which I don't deal well with. I ended up playing 12... d4, attacking the White ...
- 61
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votes
0
answers
117
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Is there a solution to this puzzle in Clive Ke's "How to improve in chess" book? [closed]
I am wondering if there's a solution to this puzzle anywhere.
[FEN "3r4/p4k2/1p2bb1p/2p2pp1/5P2/1NP1B2P/PP4P1/4R1K1 w - - 0 1"]
Here's the description of the puzzle in Clive Ke's "How ...
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2
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153
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An incredibile endgame
Is the following position
[FEN "8/P1R5/K3p3/4k3/B3b3/8/8/1r6 w - - 0 1"]
a win ( for White) or a draw? The position above is derived from a variation of Stockfish vs Komodo TCEC Season 19 ...
- 265
3
votes
2
answers
547
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In chess.com analysis, why is a rook promotion better than a queen promotion?
I was analyzing a game on chess.com and it showed me that, in the below scenario, it is better to promote to a rook instead of promoting to a queen. It also shows that it has a mate in 6 with the ...
- 149
2
votes
3
answers
380
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Tools to analyse weaknesses based on Lichess history
Are there any tools that can find weaknesses in your games based on your Lichess history (eg, you often play a particularly bad line in a certain opening, or often fall for a certain trap), and then ...
- 3,057
2
votes
2
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297
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Karpov vs Kasparov, Game 41
In the common literature, it appears as truth that Karpov missed the winning a6! instead of Rxd1 on move 33, Game 41, in the first Karpov vs Kasparov match. But is the following position, derivate ...
- 379
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3
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Why move bishop first instead of queen in this puzzle?
In this puzzle (white to move), the solution first moves the bishop (to pin the knight) and only then the queen. Why is it better to move the bishop first?
[FEN "r2qk2r/pbp1bpp1/1pnp3p/8/3NP3/...
- 273
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1
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Analysis all games by a chess.com user? [closed]
How do I analyze the moves made by a user by looking at all the games played by a Chess.com player? What I'm exactly looking for is how I do make openings as black. Aggregates results would be amazing....
- 111
3
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1
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240
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In the shown position, should I push pawns or trade material?
In the following (now finished) game, I was unsure at this point how to proceed. One thought was to take the pawn at d4 with the rook, in order to entice a rook/rook trade since I'm up on material. ...
- 133
2
votes
2
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1k
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The early ...Qf6 in the Scotch Game
In the Scotch Game, what is the best move for White after this sequence?
[FEN ""]
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 (5. Nb5) (5. Nf3) 5...Bc5
Most videos don't even count ...
- 155
3
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1
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99
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Playing with Ranks Advantage
[FEN "rnbqkbnr/pppppppp/8/PPPPPPPP/RNBQKBNR/8/8/8 w - - 0 1"]
I was planning to play white against the computer, starting with the positional advantage as shown above. I don't know how to ...
- 325
3
votes
1
answer
193
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Why not 7.Bb4+ before playing Ne7 in the French Defence: Advance, Paulsen Attack?
After playing 5.Qb6 which I believe is the final move of the Advance variation of the French, my opponent played 6.a4. I followed with cxd4 and them by cxd4 as well. After that I couldn't remember the ...
- 33
2
votes
1
answer
523
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Why does Stockfish lose against this piece sacrifice in the Berlin Defense?
In a recent YouTube video, Jonathan Schrantz presents an absurd (?) piece sacrifice in the Berlin Defense, which Stockfish seems to vastly underestimate.
The engine evaluation shows around -4, until ...
- 3,469
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3
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4k
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How do you play if both sides get a queen?
Here, I've read through the famous Réti endgame study. However, there is a possibility that both sides can get a queen. For example, take a look at this variation.
[FEN "7K/8/k1P5/7p/8/8/8/8 w - -...
- 771
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5
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What is the difference between a brilliant move and the best move?
As far as I know, nowadays the chess engines can judge that a move is the best or that it is brilliant (usually denoted by ! or !!). I was wondering what is the precise criterion for this ...
- 312
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1
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604
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Why is Ne4 considered as an inaccuracy whereas it is one of very few moves which saves d3 pawn?
[FEN "r2q1rk1/1p3ppp/p4n2/2Pp4/1Pn5/P1Bp3P/3N2P1/R2QN2K b - - 4 21"]
With Black to move Ne4 is not even in top 5 moves and engine says its an inaccuracy. I know it considers fastest winning ...
- 459
12
votes
6
answers
3k
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Website or program that creates puzzles from blunders in your past games
I'm looking for a website or program that would look at your past games on Lichess or chess.com and find moves that you played that were blunders and create puzzles around those
- 376
11
votes
2
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994
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How do you analyze master games without annotations?
I am starting to analyze master games more often because I never really do. But I play openings most masters don't and most games with these openings don't have many annotated games. So, how do you ...
- 403
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votes
2
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335
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I developed all the pieces I could. Now what?
I was playing chess against an AI, and found myself in this position (Black/me to move):
r1b2rk1/4n3/p1p1p1p1/1p1pPp1p/1PnN1P2/2NB4/2PP2PP/1RB2RK1 b - - 0 1
The only moves I could think of were ...
- 181
3
votes
2
answers
266
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What's the idea behind delaying capturing the rook (25...Rd2) in Hug–Spassky (1973)?
I've been studying a series of games featuring the King's Indian Attack and in Hug–Spassky (1973)[1], I don't understand why White delays capturing the rook after 25...Rd2.
Why play 26. Nd3?
Is White ...
- 3,695
9
votes
1
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1k
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What is the best move in this puzzle rush?
[FEN "2b2r1r/2k1q1b1/2p1p2p/1p1pPp2/pP1P1RB1/P1N5/2P1Q1PP/5RK1 w - f6 0 1"]
[starpPly "2"]
1. Bh5?
In this puzzle rush from chess.com, it says that Bh5 is the wrong move, ...
0
votes
2
answers
151
views
What was the best move for white? Could white have won?
Could white have won this game? What was the best move in this position for white?
Or could Black have won?
- 19
4
votes
2
answers
307
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Why does castling in the Four Knights: Double Spanish opening inadvertantly stop Bxc3?
So I am currently working through Chess Fundamentals by Capablanca and he said something I find opaque: following 1.e4, e5 2.Nf3, Nc6 3.Nc3, Nf6 4.Bb5, Bb4 "5.0-0 an indirect way of preventing 5.....
- 153