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.

Filter by
Sorted by
Tagged with
3 votes
2 answers
1k views

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&...
user avatar
0 votes
1 answer
99 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 ...
user avatar
5 votes
3 answers
683 views

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 ...
user avatar
  • 115
1 vote
5 answers
421 views

White is up +7 in material, why is white still losing?

Why do you think white is losing here?
user avatar
5 votes
3 answers
193 views

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 ...
user avatar
-1 votes
1 answer
76 views

The best strategy to win Squid Games [closed]

Squid Games. Four players go in turn (while observing each other), move each their own piece (_ wazir) onto one square vertically or horizontally on the 5x5 board (watch the image below). If one ...
user avatar
9 votes
2 answers
2k views

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 ...
user avatar
  • 1,050
2 votes
3 answers
180 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. ...
user avatar
  • 31
8 votes
3 answers
3k views

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 ...
user avatar
-1 votes
1 answer
212 views

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 ...
user avatar
5 votes
4 answers
268 views

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 ...
user avatar
3 votes
1 answer
252 views

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:...
user avatar
  • 115
15 votes
4 answers
2k views

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 ...
user avatar
  • 253
11 votes
3 answers
2k views

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 ...
user avatar
  • 1,644
5 votes
1 answer
178 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 ...
user avatar
  • 21.7k
5 votes
0 answers
100 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"] [...
user avatar
  • 151
7 votes
2 answers
2k views

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, ...
user avatar
  • 363
3 votes
2 answers
246 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 ...
user avatar
  • 1,039
2 votes
1 answer
146 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/...
user avatar
  • 297
9 votes
4 answers
308 views

Has anyone done a correlation of castling with winning and losing?

I saw this question: How often does castling occur in grandmaster games? The statistics are interesting. The answer states that they do so about 90% of their games. So, the move seems pretty valuable....
user avatar
6 votes
2 answers
206 views

Is Nxd5 playable in the Italian Game: Two Knights Defense?

The following move is considered dubvious in lichess.org opennings explorer because of the sacrifice in f7: [FEN "r1bqkb1r/ppp2ppp/2n2n2/3Pp1N1/2B5/8/PPPP1PPP/RNBQK2R b KQkq - 0 5"] 1... ...
user avatar
1 vote
1 answer
114 views

Did Lichess Level 8 truly lose this game?

Jonathan Scrantz played this game against Lichess Level 8: [Title "Jonathan Scrantz VS Stockfish Level 8 (3000) after 9. Kh1"] [FEN ""] [Startply "17"] 1. e4 e5 2. Bc4 ...
user avatar
  • 2,323
-1 votes
3 answers
148 views

Hamppe-Meitner, the final verdict?

[FEN ""] 1.e4 e5 2.Nc3 Bc5 3.Na4 Bxf2+ For those of you who never heard of Hamppe-Meitner. Now I dimly remember that a super engine somewhere found a White win, but even the bringer of the ...
user avatar
1 vote
1 answer
162 views

Optimising Stockfish parameters when batch-analyzing with python-chess

I am running a python script that analyzes a large batch of PGN games (each of ~5,000 games) across and exports the games evaluations. It calls Stockfish 14 to analyze each game at depth 20. **[EDIT: ...
user avatar
2 votes
1 answer
261 views

Why is forking the king and rook a blunder in this Halloween Gambit line?

[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"] [Title "Halloween Gambit Game"] [StartPly "22"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Nc6?! 6. d5 Ne5 7. ...
user avatar
  • 1,050
6 votes
1 answer
388 views

Why should Black capture with different pawns in these similar Spanish game variations?

As a general “rule”, I have read that pawn captures toward the center should be preferred. I have found 2 different positions which look similar but the best way for Black to recapture with the pawn ...
user avatar
  • 1,050
2 votes
1 answer
133 views

Can Black draw by perpetual check?

In this position, from the game Carlsen-Radjabov, it is White to move. Is it possible to get rid of the checks? [Title "Carlsen-Radjabov, World Blitz Championship, Moscow Russia, 11/18/2010"]...
user avatar
4 votes
1 answer
205 views

Analyse a blunder

Black (me) to move. I took the knight at f3 with my knight at e1. However, Lichess analysis shows that this move is a blunder, and suggests to take the bishop at g2 instead. IMO, I am winning no ...
user avatar
  • 143
1 vote
0 answers
75 views

Is it possible to put special pieces on a chess.com custom board?

I would really like to create custom positions with custom pieces (and maybe even variants) to play with my friends because we have always enjoyed playing custom variants. So for example a board with ...
user avatar
  • 11
4 votes
4 answers
692 views

What are the strategic ideas behind Bf4?

rnb2rk1/ppq2pbp/2pppnp1/8/2PPP3/2N2N1P/PP2BPP1/R1BQK2R w KQ - 0 9 1. Bf4 Nh5 2. Bh2 e5 In the game, I played Be3; but the engine seems to like the line above. Why is Bf4 better (in a strategic way) ...
user avatar
  • 151
12 votes
4 answers
1k views

Why is it a blunder to capture this pawn even if its defender is pinned?

[FEN "1r1q1rk1/p4pp1/3p1b1p/2pQ4/4P3/P1P2P2/1P2B1PP/1K1R3R b - - 0 20"] [Title "The Position"] 1... Bxc3?? In this position, I believed that the best move for Black is Bxc3. It’s ...
user avatar
  • 1,050
1 vote
2 answers
154 views

Why wasn't Ne5 a mistake when I could just win the exchange in one move?

I had this position arise in a game: [FEN "4qrk1/3rppbp/1p4p1/p2P4/1pBP1B2/1P2PN2/5PPP/R2Q1RK1 w - - 2 21"] [White "Kevin"] [Black "lichess AI level 3"] 1. Ne5 {I ...
user avatar
  • 181
-4 votes
1 answer
78 views

What is the best move in this position? [closed]

I'm trying to make a correct move but I can't find one. When I move, I always get a warning message from chess.com. [Event "?"] [Site "?"] [Date "12.29.2021"] [Round &...
user avatar
3 votes
1 answer
200 views

Why is 2…f6 a blunder in the Center Game?

[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"] [Title "Center Game"] [StartFlipped "1"] 1. e4 e5 2. d4 f6?? Stockfish says that 2…f6 was a blunder and recommends 2…...
user avatar
  • 1,050
3 votes
1 answer
562 views

Why does Stockfish evaluate Nd4 as an inaccuracy in this particular game?

Here is the position: [FEN ""] 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6 4. Be2 Nf6 5. Nf3 Ne4 6. Nd4 Qd5 7. nxd5 I have two knights here. One knight is being attacked by the knight at e4. My ...
user avatar
2 votes
2 answers
358 views

White is down 3 pawns in opening, but it doesn't seem like white is really losing

Lichess suggests Re3, Nb1, h4, Bf1, and e5 as top 5 moves. Evaluation is within (-0.7, 0.5). I expected it to be the evaluation to be at most -1. What's going on? [FEN "rnbnk1r1/pp1p1p1p/2p1p1p1/...
user avatar
  • 1
4 votes
2 answers
259 views

Why is Nd5 a blunder in this game?

I am surprised when Stockfish engine told me that nd5 is a blunder while suggests me to use my knight at f3 and take the pawn at e5. But, there is a black knight at c6 and if I do that, then, he will ...
user avatar
5 votes
1 answer
846 views

Why is 4…Bb4 an inaccuracy in the Berlin Defense?

[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR"] [Title "Berlin Defense"] [StartFlipped "1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bb4?! When White castles, ...
user avatar
  • 1,050
6 votes
2 answers
1k views

Why is this position a forced mate?

I was playing a game against one of the chess.com bots, as shown below (I was playing as white). On analysing the game afterwards, I'm aware I made a lot of mistakes, but the one I'm really confused ...
user avatar
  • 185
4 votes
1 answer
329 views

Why this exchange

I’m reading a book saying that now black Knight at b4 is under attack so need move away. However Stockfish app suggests take the white c3 Knight first using f6 Bishop , then black will Rcxc3 take the ...
user avatar
  • 185
2 votes
1 answer
198 views

Did Geller resign in a drawn position vs Spassky in a 1959 game?

Did Geller resign in a drawn position vs Spassky in 1959? Or could White win? Here is the famous controversial position, Black to move. [FEN "6k1/6p1/7p/7P/2q1B1P1/Kp3P2/1B6/2N5 b - - 0 1"] [...
user avatar
  • 189
6 votes
2 answers
552 views

Why don't engines show explicitly that a certain move takes to a threefold repetition (instead of just showing 0.00)?

I get that from the point of view of the engine there's no difference; equal is equal. But for a human analyzing with an engine, I find quite important to note that a move takes to a balanced position ...
user avatar
  • 1,661
1 vote
1 answer
71 views

Erenburg vs Nakamura 2004

Did Erenburg operated a winning exchange sacrifice vs Nakamura in the Reykjavik 2004 game , Sicilian Najdorf opening ? Or could Nakamura have defended the position ? I analyzed the following position ...
user avatar
  • 189
7 votes
1 answer
163 views

In French Defense Advance Variation, why does white play an early f4?

Game. First five moves: [FEN ""] 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. f4 Why did white play f4? My guesses: To defend e5 in case if d4 falls. Pawn pointing theory seems to indicate ...
user avatar
  • 235
4 votes
2 answers
477 views

Engine's 2nd best move

Especially for checking studies (maybe also for teaching), it would be helpful to have an engine finding the second best move and assess it (or even give refutations of all alternatives). For a ...
user avatar
7 votes
1 answer
250 views

Why is the immediate ...d5 in the 4. d3 Italian not played?

The line may seem suspicious at first, but after a few precise moves (some may say artificial moves) by Black an interesting middlegame position is reached. I did some analysis on my own and probably ...
user avatar
  • 3,450
3 votes
1 answer
290 views

How is c4 the best move in this position?

[FEN "rn2r1k1/pp2qpp1/3b1nbp/2pp4/6PP/1B1PBP2/PPPQNK2/RN2R3 b KQkq - 0 14"] 14... c4 15. dxc4 Nxg4+ I set up the above position in Stockfish and the initial analysis was that c4 was the ...
user avatar
14 votes
2 answers
5k views

Why does Stockfish suggest h4 here?

Analyzing my latest game on chess.com, Stockfish says that h4 is the best move here: I followed the line, but I failed to understand the reasoning of this move. Is it for some long-term advantage? ...
user avatar
  • 269
3 votes
1 answer
58 views

Where can Botvinnik's analysis of Botvinnik - Gligoric, Tel Aviv 1964 be found?

I have seen an old post in a chess forum referring to Botvinnik's own analysis of the game presented below. I have searched, but did not find it. Where can the analysis be found? If you can provide a ...
user avatar
  • 3,450
7 votes
2 answers
2k views

How does white stop the three pawns and win this?

I arrived to this position, black, me, to play, in a tournament game, with plenty of time to think on both sides. Stockfish gives initially +55 and finally mate in 27 for white. Fortunately for me, my ...
user avatar

1
2 3 4 5
18