Questions tagged [analysis]

Questions related to determining the Truth behind positions. This includes who is winning, what the next move should be, and what happens when a certain move is played.

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2answers
70 views

Why did Fischer play 17.c4 here?

Why did Fischer play 17...c4 here? [fen "r4rk1/1q1n1pp1/4b2p/p1pp4/8/Q2NP3/PP2BPPP/R4RK1 b - - 0 1"] Doesn’t it make the bishop e6 a lot worse? I would have played rfb8 instead, but I am not Fischer....
3
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2answers
912 views

In what ways is it the best to use a computer in correspondence chess?

I have only recently started correspondence chess and I have read that engines are allowed in correspondence chess. I definitely do know that the world champions of correspondence chess have said ...
2
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1answer
78 views

Why isn’t Black forced to prevent e4 in this Queen’s Indian Game?

Today, I played this game in which I played the Queen’s Indian Defense. This position was reached: I played Be7, which is a correct move. I wonder however, why Black isn’t forced to play Bb7 in ...
3
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1answer
54 views

Equation for Handicap

Are there any sort of equations for how much of a handicap one should receive to make a game between two players with differing Elo ratings as balanced as possible? There might be a time equation to ...
2
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1answer
50 views

SCID vs ChessBase - play, analyse, visualization - ubuntu

Please help me or give me the correct terms to find it out. What I want is: Play chess against an engine or repeat an existing game For my current move, I want an analyser to analyse my move, and a ...
6
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4answers
1k views

D5 move closing my bishop activity

I would like to know why playing d5 in these two positions is useful for me (Black).
19
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11answers
7k views

Why does a knight combine better with the queen than a bishop does?

From this question, the couple queen + knight is strong in attacking the opponent's king. I searched why the knight combines better than the bishop with a queen, and all I could find, from this ...
11
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3answers
748 views

Is there some resource of non-tactical positions to practice analysing?

In point 3 of this answer RemcoGerlich implies that a good way to improve, for a class player, would be to develop the skill of “[taking] any position and [figuring] out what’s going on”. It seems to ...
4
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1answer
110 views

Is this checkmate?

[fen "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"] I recently started playing chess and was doing some puzzles online. It says that this move is checkmate but I don't see why white can't move to ...
-1
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1answer
49 views

What are the benefits and the drawbacks of the Sicilian defense [duplicate]

I am learning to play chess, and I am focusing my attention on the Sicilian defense. Many people says is one of the best openings against e4 when playing with black, and I think also it is a good ...
4
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2answers
62 views

Is there an analysis of World Champions' games that shows the statistics of their game?

Is there an analysis of World Champion games, with the help of engines, that shows statistics like percentage of best moves played, blunders made, creative moves which computers can only see at high ...
6
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3answers
319 views

Is h6 or g6 better to defend the h7 square against a combined attack by a queen and bishop?

I am setting the question from black's perspective, but it holds the same for white too. Many times in my personal games a position arises where a Bishop along the b1-h7 diagonal and a Queen on the h-...
3
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2answers
483 views

chess.com Analysis “Accuracy” - What score is computer like for a given rating?

I have a few questions about engine use detection at online games on chess.com: Let's say both players are rated 1800 on chess.com online play and they make n number of moves in a game. White has 90%...
11
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3answers
658 views

Why 4… Nxb4 is not played in Evans gambit?

4... Nxb4 is never played on chesstempo database for +2200 players games, being Bxb4 the most popular move. I don't find any significant change after capturing the pawn with the knight unless after 5....
8
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2answers
829 views

B pawn sacrifice

I have just played a game in which there was a thematic sacrifice of the b pawn. I cannot understand why this is useful. The opening of the file cannot be attacked by White as apart from Black bishop, ...
2
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1answer
79 views

What is the advantage in knowing the fastest winning sequence if I can win with few more moves than fastest sequence?

I am studying from Lazlo Polgar's "Chess: 5334 Problems, Combinations, and Games", there are positions with heavy material imbalance for example like a lone King against Queen, 2 Knights and King ...
11
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3answers
549 views

Why is Bf5 good in this position?

I would like to know why playing Bf5, allowing White to exchange the white-squared bishops, doubling Black's pawns is good for Black. In such situation, castling on either side seems quite unsafe for ...
7
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2answers
469 views

Is there a reason for MC's second move?

In this game, Magnus Carlsen made an unusual poor first move Nh3. Presumably, it was to throw off his opponent, especially since the game was under fast time controls, so that is understandable. But I ...
2
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1answer
40 views

Analysis of a position in order to find the best move

I am trying to learn to play chess, but it is not an easy task. I am playing as much as possible and try to watch games an reading in order to learn. I am playng on Chess.com, and a lot of times I ...
2
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3answers
218 views

Analysis of a position of a low rated player in order to improve

I am a beginner in chess, and I am trying to learn how to play well. I am rated 800 in Chess.com, so I have a really low rating, and I am trying to improve it. I was playing a game and I have been in ...
10
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5answers
2k views

What are some games I can watch to become better in playing chess?

I have just started learning to play chess and I find it really interesting to learn. I would like to learn as much as possible in order to become a good player. I looked on Youtube, trying to find ...
3
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1answer
200 views

Hans Berliner and computers. Did he win the world ICCF championship using computer help?

Way back when, Hans worked for IBM. I met him at an IBM data center one time, but he worked in the Federal division and just used the center for a demo. I had known him from the Washington Chess ...
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3answers
100 views

Winning as white is a struggle!

[Title "White to move"] [FEN "5r2/5q1k/6pp/1p2P3/1P2p2P/6RK/3Q1P2/8 w KQkq - 0 1"] I can’t seem to win here, no matter what I do. Is the position really that bad for me as White?
6
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1answer
140 views

Portisch-Radulov, Moscow 1977. Doesn't 16.c5 lose a pawn?

[title "Portisch-Radulov, Moscow 1977"] [fen "2r2rk1/pb1n1ppp/1ppqp3/8/2PPQ3/1P3NP1/P4PBP/R2R2K1 w KQkq - 0 1"] Doesn't 16.c5 just lose a pawn?
4
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1answer
100 views

What are the merits of Anand's exchange sacrifice in game 9 of 1995 World Chess Championship?

From various sources (some of which I have mentioned below) I have heard Vishy Anand's 27th move in game 9 of 1995 world chess championship match against Gary Kasparov , which was an exchange ...
3
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2answers
543 views

Can Black play for a win here?

In the position below: I was Black and I was not sure how to proceed. Finally, I decided to play aggressively with g5. I know it was too risky and weakening, but I did not see what else to do. After ...
3
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3answers
149 views

Why is white's best play Nxd5 here?

I'm new to chess. In the position below, lichess analysis says that Nxd5 is the best move for white. But can't black just capture the knight afterwards with his pawn and threaten white's pawn and rook ...
4
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1answer
118 views

The move g5 in this position

I would like to know what is the reason why g5 is a necessary move for Black. I now see that what I played Bd7 is horrible as it hangs a pawn on d6 after Qb4. I cannot see why I should weaken the f5 ...
3
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1answer
125 views

Anderssen's 'immortal game'

I came across Anderssen's 'immortal game': [FEN ""] 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5 5. Bxb5 Nf6 6. Nf3 Qh6 7. d3 Nh5 8. Nh4 Qg5 9. Nf5 c6 10. g4 Nf6 11. Rg1 cxb5 12. h4 Qg6 13. h5 Qg5 14. ...
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4answers
141 views

What is the most amazing chess position you have seen? [closed]

What is the most amazing chess position you have seen? I have been wanting to ask this question for a while, but feared it would be closed. Since the "Uniquely Satisfying Puzzle" and "What is the ...
5
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2answers
225 views

Playing d5 in the Pirc defense

Two days ago, I played, a game as Black and after the analysis I was quite surprised to see that the computer suggested, in several moves throughtout the game, the move d5. In this position I think ...
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2answers
302 views

Weakening g4 move

I would like to know the reason behind the very weakening move g4 recommended by Stockfish in this position:
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8answers
8k views

Chess PhD topic in machine learning?

I searched this online and couldn't find sufficient answers. Is there a topic in chess that includes machine learning and would be sufficient for a PhD thesis? I was thinking of utilizing a CNN that ...
2
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2answers
72 views

Idea behind sacrifice pawn

I would like to know what compensation White gets after the pawn sacrifice 6. b4. To me, giving back the pawn just for a tempo, i.e. Bb5, does not seem to be enough.
5
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2answers
168 views

Carlsen vs. Nepo this morning, why didn't Nepo win the pawn?

On move 19 Carlsen played Nd5. Why didn't Nepo win the pawn with Nxd5? If Bx, then Qxb4, or if px, then Qxb4 attacks the Bc4 still and Bxa6 then Nc5 and move the rook. [FEN ""] [Event "Tata Steel ...
8
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1answer
689 views

How to “crack” this position?

I find this particular final position from a personal game intriguing. Even though there's a material advantage, there's no clear path to the victory. Does anyone have any good ideas on how to crack ...
2
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1answer
151 views

When should you trade to prevent castling?

The main question I have is about a game I played. What do I need to know about how to take a piece so that my opponent's king can no longer castle? In the following game, I played Bxd2+ to do so. ...
14
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4answers
3k views

How to tell that this is a draw

In an endgame I played as Black, after the rooks were exchanged, the below position was reached. A funky stalemate quickly ensued. [FEN "8/5ppk/5p1p/8/3K1P2/6P1/7P/8 b - - 0 1"] [startflipped ""] 1.....
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2answers
110 views

In Damanovic-Fischer, 1970, wasn't 66. Ke3 better?

In Damanovic-Fischer, it seems like the move played, 66. bxa4+, made it easy for Fischer. Wasn't 66. Ke3 better? [Title "Damanovic- Fischer, 1970,"] [FEN ""] [startply "130"] ...
3
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1answer
106 views

Can I win as black here?

In the below position, I'm playing as Black and it's my turn. [FEN "8/8/1K6/2P5/1P6/8/8/6kq b - - 0 1"] I've recently gotten back into chess, and this one is driving me crazy. I can't seem to ...
0
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2answers
164 views

Why doesn’t the computer like my odd queen trade?

I played a game as Black some months ago on chess.com in which I made a rather amusing, in my opinion at the least, queen trade. I won the game in the end, but only after being a bastard and promoting ...
2
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2answers
142 views

Elephant gambit game analysis

I would like to get some explanations on the mistakes and blunders of my game posted below. My Lichess rating is around 1770, so I do not know if the mistakes of the game are hard to spot for my level ...
4
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4answers
122 views

Chess software that enables you to set up a position from scratch?

I'm looking for chess software (free or otherwise) that will allow me to completely clear the board and set it up as I wish in order to analyze a specific situation. All of the chess puzzle software I'...
2
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1answer
53 views

Analysis on Alekhine-Lasker 1934, after 18.Qd6

In this position from Alekhine-Lasker, Zurich 1934 [fen "r4rk1/pp3ppp/1qpQ1n2/4nN2/8/1B2P3/PP3PPP/2R2RK1 b - - 0 1"] 1... Rae8 2. Ne7+ (2. Rc5 Nfd7) Kh8 3. Qxe5 Ng8 It's Black to play. So if 18......
4
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1answer
113 views

Sicilian Dragon

[fen ""] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 Qa5 13. h5 Nxh5 14. g4 Nf6 15. Bh6 Bxh6 16. Qxh6 Rxc3 17. bxc3 ...
12
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1answer
3k views

In Fischer-Petrosian 1971 game 7, why did Fischer give up his good knight for a bad bishop?

Fischer played 22. Nxd7, which seems strange since the knight looked very good. Why did he play it? [Title "Fischer-Petrosian, Buenos Aires (7) 1971, 10/19/1971"] [FEN ""] [startply "42"] 1. e4 ...
2
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1answer
132 views

Why is h4 a good move here?

[FEN ""] 1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 4. Nc3 cxd4 5. exd4 Qxb2 6. Nb5 Na6 7. a3 Nd5 8. Bc4 { I'm aware this was a blunder because of Nc3, but fortunately they didn't see it} 8... ...
4
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3answers
114 views

Usefullness of analysing ones own games with an engine

There are different opinions on analysing your games with an engine. Some say you shouldn't use an engine at all, and others say you can use it, but you should do your own analysis first. Most say ...
4
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2answers
127 views

Explaining middle game computer analysis

I was looking at the computer analysis for a game I played and I need some help to understand a line found by the computer. After a balanced game (started with a Torre Attack) we arrived at the ...
2
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3answers
164 views

Trying to figure out why the engine suggested this move

I don't quite understand this. I like playing chess, and I'm working to improve, but I still am likely very much a novice. Anyway, I played a game where I won in 9 moves, but I'm curious why the ...