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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What is the best move in algebraic chess notation? [closed]

I can't fine the best move with algebraic chess notation. [Title "White to Move"] [FEN "r3n1rk/q3NQ1p/p2pbP2/1p4p1/1P1pP1P1/3R4/P1P4P/3B2K1 w - - 0 1"]
user36777's user avatar
1 vote
0 answers
344 views

DTM in a random N-piece position

Formulate how many plies are the DTMs if there are multiple checkmate variations (Depth to Mate ignoring 50-move rule) for a random N-piece chess position if any checkmate exists, (and also consider ...
nirates biadenroc's user avatar
3 votes
1 answer
287 views

Why does the engine evaluate black's position as better here?

I recently played a game as white, that ended in a draw. I thought I had a big advantage at some point, but when analyzing it, the engine says that black was actually in favor ~ -1.1. I was a central ...
d4zed's user avatar
  • 1,197
2 votes
1 answer
464 views

Wining possibility for defense D00 - Queen's Pawn Game: Mason Attack from 15th move

Please have the game link over here. I made my mistake not moving ...Nh4 with ...Nh4 as white I feel I do have the possibility of winning if I would've made. [FEN "r2q1rk1/1pp1npp1/p2b2bp/3Q4/...
Inc Operations LLC's user avatar
2 votes
1 answer
68 views

Game Analysis Techniques of Grandmasters in the 1970s for World Chess Championships

I'm interested in the historical aspect of chess, particularly in how grandmasters prepared and analyzed their games during significant events like the World Chess Championships in the 1970s. My ...
Iman Mohammadi's user avatar
0 votes
2 answers
179 views

Which Chess Engine is Most Preferred by Grandmasters for Analysis and Considered the Fastest and Best Currently?

As an avid chess player looking to improve my game, I am curious about the tools that top-level players, especially grandmasters, use for analysis. Specifically, I am interested in knowing which chess ...
Iman Mohammadi's user avatar
0 votes
1 answer
64 views

Which Chess Notation is Most Commonly Used in Grandmaster Classic Games?

I'm interested in understanding the preferred method of notation used in classic games played by grandmasters. Specifically, I'd like to know which version of writing the moves of a game is more ...
Iman Mohammadi's user avatar
0 votes
1 answer
85 views

Need help on a specific situation (beginner friendly)

I am a beginner and got myself into this situation. (I'm white) Is there any way to get out of it or some tips somebody can give me or is this situation hopeless? I would appreciate it if you took a ...
lalalalaaaa's user avatar
3 votes
0 answers
80 views

Baroque/Ultima vs. Chess

Baroque a.k.a. Ultima is a chess variant in which all the pieces except the kings have quite different powers than in regulation chess. They all make non-capturing moves like queens (except the "...
bof's user avatar
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3 votes
0 answers
105 views

Can previous and continuing research on N-piece tablebases be used toward human theory of chess?

This follows another questions here: What is the status for EIGHT piece endgame tablebases? My answer there was appropriately removed as being question in reaction to that question, well in light of ...
dbdb's user avatar
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What engine & setup can I use to analyze a Bughouse position from a single board only (one board), taking into account the pieces in hand?

I have looked at the Sjeng and the Bughousechess.wz.cz website and the answers in the other page. This is not quite a Crazyhouse equivalent analysis, due to the capture mechanics. The pages are very ...
Mark C's user avatar
  • 101
5 votes
4 answers
386 views

Is this position a draw?

I was playing at my local chess club on Sunday and I had the position below as white. Me and my opponent continued for a while before finally agreeing to a draw. When I play it against bots as white ...
Bob's user avatar
  • 49
5 votes
3 answers
292 views

Most imbalanced (but equal) chess position?

I recently found this beautiful position, Position 11 where White sacrifices a bunch of material and then there are a bunch of crazy variations that all end in draws. For example this variation which ...
Hank's back rank's user avatar
-2 votes
1 answer
229 views

Mate Solving or problem solving software

I have some positions in my games which engine analysis indicates that some lines (not the ones I played) lead to a checkmate in 6 or 7 or 10 moves. But normal engines are not reliable here so I use ...
Wassim Saeed's user avatar
3 votes
2 answers
321 views

Why is h3 a mistake?

This is the 12th move of this game I played as white: https://lichess.org/b7B16RLF/white#22 [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3 { C65 Ruy Lopez: Berlin Defense, Kaufmann ...
csmathhc's user avatar
  • 179
1 vote
1 answer
167 views

Why is Ba4 an inaccuracy here? Why is Bd3 the best move?

I played this game recently as white: https://lichess.org/b7B16RLF/white#18 [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3 Bxe3 6. fxe3 d6 7. d4 Bd7 8. Nc3 O-O 9. Qe2 a6 10. Ba4 ...
csmathhc's user avatar
  • 179
0 votes
1 answer
131 views

How to play Botvinnik-Carl's defence in the Caro-Kann when White responds with 4. c3?

In the Caro-Kann, Botvinnik-Carl's defence, Black typically wants White to take on c5 so Black can play e6, preparing Bxc5 and Nc6. However, I have been seeing the move c3 after c5 a lot. How can I ...
Ryley's user avatar
  • 406
-2 votes
1 answer
144 views

What’s my best move here?

I ask regarding for this position below. [Title "White to move"] [fen "5r1r/1p6/p1p2p2/2P1bPpk/4R3/6PP/P2B2K1/3R4 w - - 0 1"]
user35935's user avatar
0 votes
1 answer
216 views

What's wrong with the way white is playing?

I have played an opening I can't find anywhere online. So I'm guessing it's wrong. Can someone tell me what are the weaknesses in white's strategy? Or is it simply a matter of black not being able to ...
More Anonymous's user avatar
1 vote
1 answer
100 views

Why is Nf6 a blunder here?

With Nf6, I'm trying to bring my Knight out. If the Bishop takes it, I can take the Bishop with by g7 pawn. Why is this a blunder?
csmathhc's user avatar
  • 179
1 vote
4 answers
153 views

Why is Nh6 a mistake here? Why is Nf6 the best move?

I'm analyzing this game between me and Stockfish Level 1 on lichess.org: https://lichess.org/0SvUBEu0/black#4 With Nh6 I was trying to counter a possible Bxf7+. Without Nh6, the King would have to ...
csmathhc's user avatar
  • 179
1 vote
2 answers
143 views

Why is Qe7 a blunder here?

I'm a chess beginner. I played this game against Stockfish and according to Lichess' analysis, Qe7 was a blunder here, and the best move actually was c6. I can't understand why? [Title "Why is ...
csmathhc's user avatar
  • 179
1 vote
0 answers
171 views

Chess Tree Visualization Tool (no engine or database needed)

Looking for a Good Visualization Tool I am looking for a good tool to use for visualization of the game tree and for exploration of variations during correspondence games. The tool would need to ...
Dave's user avatar
  • 327
0 votes
1 answer
95 views

Rooks obstructed by pawns; how to give chessmate?

I played Black in 5 minute game, and reached this position with one minute left. White moved its bishop close to my knight. I played knight takes knight, the white pawn took my knight. However, due ...
Massimo's user avatar
  • 117
0 votes
0 answers
134 views

Unique checkmates count analysis

How many unique checkmates are there from this starting position? I can only see 5 lines on lichess from a game I've played and have tried several different moves. Mate in 4 is the fastest but I've ...
charles2239's user avatar
0 votes
0 answers
80 views

Tools to study positions with partial information?

TL;DR Is there a chess engine or other tools to study a "position" where the exact location of certain pieces is not known? From the following chess position, a plan could be to win the a2 ...
FxMySz's user avatar
  • 1
1 vote
1 answer
187 views

Why is this the best move?

I was just reviewing my game and was wondering why the AI would think this is the best move. All I see is giving white a free knight.
A. Quicho's user avatar
3 votes
3 answers
167 views

What are some good endgame books?

I know some people have asked about general good books or middle game books. But I read someone said that the best way to start learning chess is by studying endgames, so I ask: What are some good ...
SrPatito's user avatar
2 votes
2 answers
238 views

Best Repetoire Building Tools

I want to build an opening repertoire manually. what are the computer tools to do that?
Wassim Saeed's user avatar
0 votes
1 answer
136 views

Why did I lose -> I thought I can swap king and castle to avoid checkmate? [duplicate]

[FEN "6nN/Bp1k2pp/2n5/p7/Q4R1P/5pP1/P3qN2/4K2R w K - 0 1"] As you can see my king got checkmated through the enemy's queen and pawn. My question is, why is this a checkmate? I haven't moved ...
user avatar
20 votes
2 answers
4k views

What is the status for EIGHT piece endgame tablebases?

An earlier question here asked in 2012 about the status of 7-piece tablebases. Today complete 7-piece tables are widely available. So today, what is the status of 8-piece endgame tablebases? How ...
Laska's user avatar
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0 votes
0 answers
218 views

What's the fastest way to detect blunders with an engine?

My main goal is to detect blunders in chess games. I wrote a python program that loads a large pgn database and then analyses the games. I did it by letting Stockfish go through every game and every ...
RottenSchnitzel's user avatar
4 votes
4 answers
431 views

Is 2. c3 the best response against the Caro-Kann?

On chess.com, I was playing as White and my opponent played the Caro-Kann. I personally like the accelerated Panov Attack, 2. c4, but my mouse slipped and I played 2. c3. I was very mad when I did ...
Kamal Saleh's user avatar
8 votes
1 answer
4k views

Why does GM Larry claim that this sacrifice is brilliant?

On this webpage GM Larry Kaufman claimed (at least up to 2012) that the following move was brilliant: [Title "Kasparov vs Shirov (Horgen 1994)"] [FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/...
user21820's user avatar
  • 2,799
7 votes
1 answer
237 views

Where does the queen go in the Ponziani with 5 ..?

Consider this line [Title "Ponziani"] [fen ""] [Startply "14"] 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. d5 Bc5 6. dxc6  Bxf2 7. Ke2 Bb6 8. Qd5 (8. Qc2) Nf2 9. Rg1 ...
noam steiner's user avatar
0 votes
2 answers
169 views

Is there a list of chess openings online without names

I have been searching for a list of eco (Encyclopaedia of Chess Openings) chess openings online by moves rather than by name so that I don't have to sort through thousands of names but I can not find ...
Theo Chalmers's user avatar
1 vote
2 answers
186 views

"Unclear" becoming outdated?

It was the Chess Informant who gave us "∞ - position unclear" (as we all know, a position can only be won, lost or drawn ;-). Now that we have super-strong computers, I expect that ∞ will ...
Hauke Reddmann's user avatar
5 votes
1 answer
217 views

Black to play and win but why was the move played a blunder?

In the position below Minic just had to play one move to reach the time control and, in those days, the adjournment which would have given his team a chance to find the win. Unfortunately he blundered ...
Brian Towers's user avatar
  • 96.6k
0 votes
1 answer
72 views

Two different "accuracies"...why?

Ok, I know it's probably not impressive to most, but I'm on my way to a 1000 rating on chess.com. I'm guessing it's because of different engine strengths or something. I recently played the following ...
M1976's user avatar
  • 367
16 votes
1 answer
4k views

Why did white sacrifice knight in this Nimzowitsch's 1905 game?

Saw this image in a WhatsApp group. Initially it looks attractive with a possibility of a "smothered mate", but I am unable to find out if white can really survive for several variations. [...
iammilind's user avatar
  • 714
5 votes
2 answers
867 views

How to run lichess stockfish analysis locally?

I am working on a research project where we need to run stockfish on hundreds of thousands of pgns we have collected. We need to extract all information generated from stockfish like centipawns, ...
Elias's user avatar
  • 51
3 votes
2 answers
351 views

Why is this a “Brilliant Move”?

I don’t understand why chess.com says this is a “Brilliant Move”? Can someone explain please?
User's user avatar
  • 31
1 vote
2 answers
122 views

What is the reasoning behind the suggested move?

In this game, my actual move was Qg6, leaving the knight on f3. Why does chess.com suggest Ne1+ ? I figure it would just be taken by the rook, but the engine suggested white would have played Kf1. The ...
Stewart's user avatar
  • 227
4 votes
1 answer
512 views

Why was this castling move so "brilliant"?

[FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Ng5 Nh6 5. O-O Why did chess.com mark this move as a brilliant move? It was quite surprising to see a simple king-side castle getting a (!!) ...
Shane's user avatar
  • 43
7 votes
1 answer
103 views

What are the cases in which is good to take Qb3 in "London System'sSH" setups and why

I know that the main idea against London System is to play Qb6 to attack the b2 pawn which is unprotected due to the early Bf4 white plays (generally) at move 2. Normally white reacts to the threat ...
ela's user avatar
  • 267
5 votes
2 answers
327 views

Winning position after move one?

Question: There are 400 possible two-ply openings; that is, positions that can arise after each player has made one move. Which of these positions, if any, are winning (either for white or for black)...
Ravi Fernando's user avatar
4 votes
1 answer
405 views

Panov-Botvinnik Attack: position analysis

I am a beginner in chess (1313 lichess, 1177 chess.com rapid) and am in the process of learning the basics of the Panov attack from the Hanging Pawns Youtube channel. In this video, at 15:00, [FEN &...
insipidintegrator's user avatar
7 votes
2 answers
874 views

Why is Qf3 losing in this position?

[FEN ""] [startply "16"] [StartFlipped "1"] 1. e4 d6 2. Bc4 Nf6 3. Nc3 g6 4. d3 Bg7 5. Nf3 Nc6 6. O-O e5 7. Ng5 O-O 8. Bxf7+ Rxf7 9. Qf3 Why does the engine go from -1....
qwr's user avatar
  • 3,627
4 votes
2 answers
379 views

How to improve at chess by analyzing one's own games?

Analyzing one's own games can be a useful tool for improving at chess, as it allows players to identify their mistakes and learn from them. However, it can be challenging to accurately assess one's ...
Superluminal's user avatar
  • 1,973
12 votes
5 answers
2k views

Why is this position -6.2 without a big material difference?

In one of my recent games, I got to the following position, Black to play: [FEN "2rr2k1/1q2bppp/p3pn2/np1p4/4PQ2/P1N2P1P/BP1R2P1/2R1B1K1 b - - 1 21"] While playing the game, I analyzed d4 ...
Minot's user avatar
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