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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3answers
867 views

Owen's Defence playability

The Owen's defence is a chess opening which starts with 1. e4 b6!?. This opening is playable if Black can get a quick c7-c5 break, where he has a pawn on e6, b6, and then he pushes c7-c5. However, ...
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1answer
207 views

Why did Black allow White to capture en passant two times in a row?

I read about this game on Tim Krabbe’s website and found it on chessgames.com. I am severely confused by Black’s 30th and 31st moves. [Title "Sergey Gennadyevich Kudrin-Rudy C Douven, GMA ...
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378 views

Engine Evaluation Confused

The Muzio Gambit is -0.8 by Stockfish depth 22. However, if the f7-pawn is moved to the g-file, the evaluation falls to -3.5. How is that so? Both positions seem fine for White. [FEN ""] [...
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91 views

How does one analyse openings judged dubious by engines?

I have recently picked up the Norwegian Defense (also known as Northsea Defense), 1. e4 g6 2. d4 Nf6. All modern engines claim it is not good. But I have great results (14W-1D-5L in 15+10 on 2000 ...
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1answer
119 views

A difficult rook ending

I need help. In the below endgame, Stockfish and Fat Fritz are optimistic on Whit's winning chances , but Mueller disagrees. What happens with perfect play? [FEN "R7/6p1/P3p1k1/7p/8/5PPP/r7/4K3 b ...
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4answers
206 views

Why is 16. d5 a blunder in this position?

In this position I'm White and I have just played 16. d5. Stockfish labels the move as a blunder. I do understand I had better moves than this, and it's not the move I would play if I were to get this ...
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1answer
128 views

What should be the next move for Black?

Both sides have had equal points untill now. If the Black knight is moved, then White can move their knight with discovered check. What should Black do? [FEN ""] [StartPly "11"] ...
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2answers
335 views

Lisitsin gambit vs From's gambit

The Lisitsin gambit usually involves a bishop on d3 and a knight on g5. From's gambit has only a bishop on d6, but the gambit-accepting side has less development than the Lisitsin. How would this ...
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7answers
2k views

What proofs for refuted gambits are there?

I've stumbled upon this article a while ago, and I've also seen refutations for the Muzio Gambit (Joseph Kling & Bernard Horwitz - Chess Studies on Endings of Games). I'm wondering what other ...
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2answers
121 views

Looking for resources on a sideline of the Caro Kann, 1. e4 c6 2. Nc3 d5 3. Qe2

[fen ""] 1. e4 c6 2. Nc3 d5 3. Qe2 d4 4. Nd1 I find this variation very interesting and would like to know whether it has a name, is in some books, or maybe just annotated games. It is ...
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1answer
195 views

Is this the correct way to analyze games before checking with engine?

[FEN ""] 1. e4 {0} c6 {0} 2. d4 {19} d5 {0} 3. e5 {1} Bf5 {0} 4. Nf3 {1} e6 {0} 5. Be2 { 20} Nd7 {0} 6. O-O {4} Bg6 {0} 7. Nbd2 {53} Nh6 {0} 8. c3 {4} Nf5 {0} 9. Bd3 { 24} Ne3 {0} 10. fxe3 {...
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4answers
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Can Black punish a provocative h-pawn push against fianchetto setups?

This question might sound ridiculous, but I think it needs to be discussed. [fen ""] 1. c4 g6 2. h4!? (2...h5 3. d4 Bg7 4. e4 Nf6 5. Nc3 d6 6. Bg5 Nh7 (6...O-O) 7. Be3 O-O) (2...e5 3. d4 ...
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2answers
77 views

Benoni setup defence

In the Benoni, there is a certain setup for White where there is a knight on g3, and a bishop on d3. White then starts a pawn storm with f4-f5, with a large attack. How am I meant to play against this ...
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1answer
122 views

Bishop and queen endgame from a computer chess game

[FEN "8/6pk/p4b1p/2B5/P3q2P/6P1/5P2/3Q2K1 w - - 0 1"] 1. Ba7 (1. h5) This position happened in TCEC Season 15 Superfinal Stockfish vs Leela. In the game Stockfish played Ba7 and the game ...
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0answers
48 views

CNN autoencoder for feature extraction for a chess position

I'm currently building a chess engine in my free time while entering my second year of my master's studies in computer science. For a class we need to perform a litterature survey of a topic and ...
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1answer
57 views

Writing chess moves on paper [duplicate]

Is the FIDE rule for writing chess moves with pen and paper by both players discarded or not mandatory in World chess championship games? In case yes, why it is discarded or not mandatory to write ...
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11answers
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Is there any free software to automatically analyze and annotate games?

I'm looking for free software that automatically analyzes and annotates chess games (post-mortem), preferably marking blunders, suggesting good alternatives, pointing out missed tactics (forks, pins, ...
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2answers
115 views

Lc0 vs. Stockfish

Stockfish analyses many positions per second and chooses the best line. Lc0 is a neural network that immediately ignores moves which don't work, but is slower. However, somehow Stockfish is better. ...
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3answers
238 views

Can Black equalize?

I am working hard on improving certain line, and no matter how much I try I get no headway. I am forced to delve into risky lines, so I am asking for help to determine if Black can equalize in the ...
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3answers
249 views

Can Black defend in this difficult position?

Can Black reach solid and defensible position in the below diagram? I understand that Black will have to apply "equalize over time" method, so to help posters keep the analysis brief, I am ...
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2answers
80 views

Seeking an explanation for Nezhmetidnov’s queen sacrifice

In this game, Rashid Nezhmetidnov sacrificed his queen for a bishop. I see that White gets an outpost on d5, but I can't find anything else that justifises the sacrifice. Is there any other ...
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2answers
84 views

Is it possible to win this endgame?

[FEN "7r/1pk2p2/2p5/p5pp/3R2P1/1P3P1P/P5K1/8 w - - 0 1"] Is it possible to win this endgame with either White or Black ?I know the Lucena and Philidor positions which are the first things ...
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3answers
114 views

How to decide whether to exchange (good/active) bishops

I have read about exchanging bishops for knights and inactive bishops for active one. I still don't know how to decide when both sides’ bishops are seemingly equally active. For instance, I have read ...
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1answer
344 views

Can Black successfully finish this opening?

I am trying to revive an old line in the Scandinavian defense. Among the many lines I am analyzing, there is one position that looks promising. I will leave out the lines / opening moves, to keep ...
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2answers
125 views

Is Anderssen's opening playable?

There is a certain opening called the Anderssen's opening that plays like this. [FEN ""] a3 e5 2. h3 d5. Black has developed two pawns, occupied the center, and opened up the lines for ...
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1answer
70 views

What's the best way to get the top n engine moves?

I want to use python-chess to get the top 5 Stockfish moves from a given position with a numerical evaluation for each move. Is it more accurate to run the engine for 10 minutes with MultiPV=5, or to ...
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4answers
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“Brilliant Move” - Chess.com - But Why?

I was playing a tournament on Chess.com and received a "Brilliant Move" in the post game analysis. I haven't received this before and was curious of the following. [FEN ""] 1. d4 ...
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4answers
3k views

What is so great about Bxa3?

I only have about 35 games experience , so please excuse blunders. I am in the following position. My app (dr wolf) wants me to capture on a3 as indicated by the arrow. However I fail to see either ...
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1answer
60 views

Spielmann Nimzo-indian

In the Spielmann Nimzo-indian, the position after this completely reasonable line makes the position seem that Black is winning. However, the engine evaluation gives the position as equal. What sort ...
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2answers
128 views

What am I missing here?

[FEN ""] 1. e4 {0} e5 {8} 2. Nf3 {0} Nc6 {5} 3. Bc4 {0} Bc5 {3} 4. c3 {0} d6 {6} 5. O-O {0} Nf6 {8} 6. d3 {0} O-O {1} 7. Re1 {0} Re8 {4} 8. b4 {0} Bb6 {19} 9. Qd2 {0} d5 {12} 10. exd5 {0} ...
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1answer
80 views

Is there a chess move history app for Mac?

I would like to check various positions to see if I have reached them in the past. I play on lichess.org which lets you download your complete game history as a pgn. I was wondering if anyone knew of ...
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1answer
59 views

Pirc Defence, Kholmov System literature

I am looking for some references where this variation is analysed. I have found some YouTube videos where engines play out this position, but they do not explain alternative moves which also lead to ...
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1answer
150 views

What is the main idea in this winning endgame?

I was playing an online game with the white pieces and won the exchange in the middlegame. So I exchanged some pieces and went for the "winning endgame". I went ahead to draw the game. ...
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1answer
415 views

Borg and Grob comparison

The Grob is a white opening which starts with 1.g4. The Borg(reversed Grob) is a black opening which goes 1.e4 g5, or 1.d4 g5. Since White is a tempo up in the Borg, what difference will this make? ...
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2answers
1k views

Three way fork-Why take the rook instead of the queen?

I just finished off a game and decided to do some analysis because I had a position that I was thinking about for a little bit. I ran the game through Stockfish and the move I was thinking about was ...
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2answers
178 views

Benoni Theory Help

I've got an important tournament game coming up, and I will be playing Black. I will play the Scandinavian if White plays 1.e4, but I won't be able to unbalance the game properly after 1.d4, except if ...
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1answer
122 views

Traxler Counterattack

I've had a few looks at the Traxler counterattack before. It seems fine for Black, but somehow the engine (Stockfish) says that White has a +2.57 advantage after Nxf7, but not much advantage after ...
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1answer
2k views

Why is e5 the strongest move here for white?

[FEN "rnb1kb1r/pp1pp2p/2p2ppn/q7/2BPP3/5N1P/PPPN1PP1/R1BQ1RK1 w kq - 3 8"] I'm a noob at chess, as I just started playing a week back. I'm played as White here, and Stockfish recommended e5 ...
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1answer
83 views

King's gambit line refutation [closed]

In the King's gambit, a strong opponent has played against me(as black): 1.e4 e5 2.f4 exf4 3.Bc4 h6(trying to hold onto the f-pawn). I have found a variation where White probably has a strong ...
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3answers
247 views

Why is better for white to move Rxa7 instead of Nxd3?

I am trying to analyze the below middle game with White to move. I played Nxd3 to capture Black's queen. However, the engine analysis says that a better move is Rxa7. [FEN "r5k1/r4pp1/3P3p/8/8/...
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2answers
2k views

Analysis of positional play by a very aggressive player

After checking that it was okay to seek analysis on this site, I decided to post this recent game against a 1950 (I was white, 1650) with post-game annotations (forgive my excess rambling). I think it ...
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2answers
2k views

Where is the blunder that White made?

[Event "the_meayhi vs. oxygen2020"] [Site "Chess.com"] [Date "2020-08-16"] [White "the_meayhi"] [Black "oxygen2020"] [Result "1-0"] [...
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1answer
56 views

Canal Attack Stockfish Indication

Apparently, Stockfish on depth 22 states that the Canal Attack is the best opening after 1.e4 c5 2.Nf3 d6. Is something wrong with Stockfish?
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5answers
4k views

When are pieces worth more (or less) than their nominal value?

Which are the most common situations in which pieces are worth more/less than their value, in point? For example, I know that a protected Knight on 6th rank (3rd for Black) of columns d and e may be ...
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1answer
163 views

Gyula Breyer joke composition cooked?

I recently bought the delightful book Outrageous Chess Problems by Burt Hochberg, which among other things contains some interesting joke compositions. I have a question about Problem 102 (diagrammed ...
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3answers
845 views

How to win in this position with white?

I felt like i had a pretty decent position but i love exchanging pieces so after a few moves the queens were off the board and unfortunately the match ended in a draw.What was the correct procedure to ...
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2answers
736 views

Isn't the Bogo-Indian just busted with this line?

I know openings often tend not to be busted, and I'm obviously not really suggesting that the Bogo is busted. But I recently played a Bogo-Indian where I just couldn't find any follow up quite early ...
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1answer
2k views

Stockfish is considering a move in a book by GM Mihail Marin as a blunder

In the book English opening volume 1 by Mihail Marin at this position [fen "3nrrk1/bppq2p1/p4p1p/2Pp4/1P1P3N/P1BQ2P1/5PKP/4RR2 w - - 2 21"] 1. Qg6 (1. Ng6) He suggests Qg6 whereas ...
2
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1answer
53 views

Engine vs Engine Database

Does anyone know of engine vs engine databases? Like stockfish vs leela vs komodo pgns for 1000s of games with a lot of time per move? I want data for how draw rate changes as engine rating goes up, ...
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3answers
717 views

Point assigned to move in Lucas Chess

I am a person trying to get better using Lucas chess. I am using the competitive mode and starting with the easiest engine. The tutor will suggest moves from time to time and will have a number ...

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