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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3
votes
1answer
60 views

The best move in this Crazyhouse position according to Stockfish

I just played my first few games of Crazyhouse, and I really don't understand it. At one point I had this position. [Title "White to move"] [FEN "r2q1rk1/pbb2pp1/n1p1p2p/1p1nP3/2pPN3/...
2
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3answers
680 views

Tablebases say this position is drawn, but Stockfish disagrees-What does that mean?

Today I found myself in the below position as black (me to play). My gut told me it should be a draw, but as my opponent and I are both fairly weak there was a significant chance one of us would ...
0
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1answer
60 views

How rankings or ratings of the players are determined before the next tournament?

My question is and I would like to know, Chess grandmasters Bobby Fischer[AMERICA}, Boris Spassky[RUSSIA], Anatoly Karpov[RUSSIA], and Garry Kasparov[Russia]played against one another in many ...
1
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0answers
31 views

Xboard and a remote engine

I want to analyse chess games with xboard and stockfish. Locally this is no problem. But my PC is slow, so I have rented a faster linux server, and I want let stockfish run on it. How can I use xboard ...
0
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1answer
115 views

An interesting endgame

The following position has only eight pieces on the board with Black to move, but it is very tricky. I started trials with my modest means (Houdini 6.02) and White won 3/3 times, but after very ...
6
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2answers
263 views

Black Lion opening plans for White's 5. Bc4 line

The Black Lion is a line that can be transposed from a Philidor or Pirc defense. I play with White this line. [FEN ""] 1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.O-O c6 7.a4 Qc7 8.Re1 ...
7
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6answers
3k views

Why does Stockfish recommend this bishop exchange early on?

When reviewing my games on Lichess, I very often find the Lichess engine recommending to me to sacrifice the bishop early on after checking the enemy king. I have created a sample game where you can ...
0
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3answers
1k views

Is White in a weaker position?

Is White in a weaker position than Black? How do I analyze this position? [FEN "2rq2kr/p1ppbp2/1pn1p1pP/4P3/3P2Qn/2PB4/PP3P2/RNB1K2R w - - 0 1"] From this point onward, I tried a mobile ...
2
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3answers
810 views

Stockfish Evaluations

I've been getting Stockfish to analyse lines of the KID, and the evaluation gives a score of around +1.5: White has a big advantage. How come this is true, when the KID is a playable(and good) opening?...
2
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1answer
175 views

Material value of the Berolina pawn

The Berolina pawn is a fairy piece that moves like a normal pawn, but can move two (and one in all other cases) steps diagonally and capture one forward. How much better (or worse) is this piece ...
3
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3answers
908 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, ...
1
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3answers
394 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 ""] [...
4
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1answer
144 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 ...
3
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2answers
103 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 ...
1
vote
1answer
134 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"] ...
2
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1answer
198 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 {...
6
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4answers
2k views

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 ...
4
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0answers
60 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 ...
0
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1answer
68 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 ...
2
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2answers
134 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. ...
1
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2answers
135 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 ...
2
votes
2answers
81 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 ...
0
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1answer
64 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 ...
12
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4answers
4k views

“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 ...
2
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2answers
82 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 ...
2
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2answers
129 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} ...
2
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1answer
74 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 ...
10
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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 ...
3
votes
1answer
64 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 ...
3
votes
2answers
343 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 ...
4
votes
1answer
419 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? ...
4
votes
1answer
157 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. ...
10
votes
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 ...
8
votes
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 ...
1
vote
1answer
199 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 ...
6
votes
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"] [...
0
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1answer
57 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?
3
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2answers
126 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 ...
1
vote
2answers
187 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 ...
0
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1answer
85 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 ...
3
votes
3answers
848 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 ...
17
votes
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
votes
1answer
55 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, ...
1
vote
1answer
124 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 ...
3
votes
1answer
66 views

Is this queen endgame a win or a draw for White?

[FEN "6k1/8/4qp1p/7P/6P1/5P2/6K1/Q7 w - - 0 1"] I am unable to analyze this queen endgame in which it is White's turn. Is it a win or a draw for White?
3
votes
2answers
85 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 ...
2
votes
4answers
963 views

Is one move considered as objectively better than another if they both lead to the same result?

Here is an example [FEN "8/3k2PB/q7/8/4K3/8/8/8 w - - 0 1"] One might intuitively say g8=Q is a much better move than g8=R. However, since they both lead to a draw, should we not conclude ...
5
votes
3answers
4k views

Why is White's accuracy 99.7% instead of 100.0%?

Here is a short game played online at chess.com. [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 Bb6 6. dxe5 Black resigned for some unknown reason; maybe a mouse slip or he/she ...
0
votes
3answers
103 views

Why can't I find any tactics in this game?

[fen ""] 1. e4 {0} c6 {0} 2. d4 {4} d5 {0} 3. Nc3 {3} dxe4 {0} 4. Nxe4 {1} Bf5 {1} 5. Ng3 {3} Bg6 {0} 6. Nf3 {6} e6 {0} 7. c4 {9} Nd7 {0} 8. Be2 {5} Ne7 {0} 9. Bg5 f6 {0} 10. Bf4 {7} e5 {0} ...
6
votes
1answer
199 views

Why is the Budapest Defense considered not fully sound or even dubious? What theoretical difficulties arise for Black?

[fen ""] 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 (4. Nf3 Bc5 5. e3) (4. e4 Nxe5 5. f4) (4. e3 Nxe5 5. Nh3) White can choose from multiple setups, most common are 4. Bf4, 4. Nf3, 4. e4 or even ...

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