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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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79 votes
12 answers
25k views

How do I analyze my game after playing?

What techniques do you use to analyze your games or other people's games? How much time do you spend on analyzing the game? Are there any tools (electronic or manual, such as a piece of paper) you ...
xaisoft's user avatar
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21 votes
7 answers
64k views

Free online analysis engine?

Is there an online analysis engine that allows you to enter a PGN and get a game analysis, showing where suboptimal moves were made? I know there are programs for download/purchase that do this, but ...
TKR's user avatar
  • 505
5 votes
5 answers
8k views

If there was perfect play from both sides, will it be draw or win for one?

If there was perfect play from both the colors, will white win because of the first move advantage or will it be a draw?
Prakhar Londhe's user avatar
18 votes
6 answers
4k views

What thought process should one use to find candidate moves?

Do you have a thought process for finding candidate moves? Once you find all possible candidate moves, how do you narrow it down to your final choice? Regarding the process, do you have a ...
xaisoft's user avatar
  • 16.8k
12 votes
3 answers
4k views

Computer evaluations: How trustworthy are they?

Fritz 12 with Rybka gave a friend of mine an evaluation of +3 for white in this endgame position, [Title "White to move"] [FEN "8/8/8/3k3p/3P3K/2P3R1/8/7r w - - 0 1"] which turned out to be a draw. ...
chubbycantorset's user avatar
42 votes
12 answers
30k views

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, ...
Hugo Sereno Ferreira's user avatar
22 votes
7 answers
4k views

How can one improve their over-the-board analysis skills?

I think of analysis as the ability to mentally move through variations, recognize tactical ideas in those variations, and draw accurate conclusions regarding the fitness of the resulting positions. I ...
Robert Kaucher's user avatar
12 votes
8 answers
8k views

Bishop vs Knight

I read in a book written by Fischer about piece values, and he said that a knight is worth 3 pawns, and a bishop is worth 3,25 pawns. I know that in closed positions knights are better, and I have ...
Ghita Tomoiaga's user avatar
8 votes
5 answers
5k views

What are the best scoring openings in Chess960?

I don't play Chess960, or Fischer Chess as it is also known. I've seen a lecture or two about it, but I was never interested. Last week I was a bit bored so I decided to participate in a tournament ...
Lynob's user avatar
  • 5,784
7 votes
5 answers
5k views

What can I learn from my "80 average centipawn loss" game, which I thought I played well?

In a LiChess game (Vakeesh vs. becky82), during the game I thought I played well, and won as black without and real complications. Here's the game: [fen ""] [Event "Rated Classical game"] [Date "...
Rebecca J. Stones's user avatar
25 votes
7 answers
3k 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 ...
Valentin Brasso's user avatar
20 votes
4 answers
5k views

Why do chess engines sometimes miss good moves (or take forever to spot)?

It is not the first time that I found a greatly superior move than the chess engine did, it even takes them a while to understand these moves after you make them. For example, the move 15 ... Bf2 in ...
ajax333221's user avatar
  • 3,158
17 votes
5 answers
12k views

Understanding vs. Memorization

Is memorization necessary in modern chess? Whenever I play chess, I always run out of time because I move slowly in the opening; unlike others who move fast in the opening because they have memorized ...
kjames's user avatar
  • 433
11 votes
3 answers
6k views

Is there an online chess evaluation engine with a REST API?

Is there an online chess evaluation engine with a REST API? I'd like to be able to send a game or position (with castling ability presumably) to a simple REST API and get back the positional ...
Peter Cotton's user avatar
9 votes
2 answers
1k views

Chess Tempo #97369 - Theoretical win or draw?

The following tactics problem is problem #97369 from ChessTempo. It is a position from a game between Yuri Yakovich and Pavel Kotsur. It's black's move. The idea of the tactics problem is to find ...
Mark Byers's user avatar
  • 1,649
8 votes
3 answers
471 views

What free programs do exist to comment chess games? For Windows, Linux, and Mac

What free programs do exist to comment chess games? For Windows, Linux, and Mac. I know that ChessBase and ChessOK Aquarium can do it. However, it is my understanding that they are not free.
Beginner's user avatar
  • 1,292
8 votes
1 answer
6k views

Minimum moves to checkmate?

What is the minimum number of moves, counting both sides, in which a checkmate can be made?
Subhash Singh Rawat's user avatar
6 votes
1 answer
814 views

How many steps to mate the only king with all pieces?

Suppose Black has only one king in its initial place and White has all 16 pieces in their initial places. How many steps does it take to ensure a checkmate? And what are all solutions? Now that White ...
Dongyu Wu's user avatar
  • 163
6 votes
1 answer
252 views

Is there a better winning plan from move 37?

From move 37-43 my plan was to convince my opponent to open the position for me with f4. This worked. If they did not oblige then I was going to walk my king to c7 to free up my rook from defense of ...
Michael West's user avatar
  • 5,196
4 votes
2 answers
1k 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 ...
Hauke Reddmann's user avatar
3 votes
2 answers
751 views

How to analyse an endgame quickly?

I am a relatively new player (less than 1 year, ungraded) but I feel I have made good progress so far. I am playing competitively with players in the 1300-1500 region and would like to continue my ...
Darren H's user avatar
  • 375
3 votes
1 answer
2k views

Why can Stockfish give different evaluations at the same depth?

When I let Stockfish get to a certain depth (say depth 33), it gives some evaluation. Then I refresh the position (while leaving Stockfish on) and when it gets to the same depth it gives a different ...
Inertial Ignorance's user avatar
2 votes
2 answers
602 views

Engine output: FEN string when blundering

What is the best way to go through a database of my games and have the computer generate a FEN string as well as the next move any time I make an error greater than, say, a minor piece loss? I've ...
Kale's user avatar
  • 65
2 votes
1 answer
255 views

What practices do you recommend for handling openings and variations?

What practices do you recommend for handling openings and variations? After learning how to move the pieces, after understanding how the game is divided into stages, and after finding that openings ...
user avatar
2 votes
1 answer
779 views

ChessDB databases import

I've just installed the ChessDB software hosted at SourceForge. While discovering the software I see that the databases that come with the software are empty and I would like to know how to import ...
mounaim's user avatar
  • 392
1 vote
1 answer
174 views

What goes through the mind of a chess player in the middlegame?

What goes through the mind of a chess player in the middlegame? After learning how to move the pieces, after understanding how the game is divided into stages, and after finding that openings can ...
user avatar
0 votes
2 answers
142 views

As regards the opponent's moves, what things do you usually pay more attention to in the openings?

As regards the opponent's moves, what things do you usually pay more attention to in the openings? After learning how to move the pieces, after understanding how the game is divided into stages, and ...
user avatar
57 votes
8 answers
35k views

How would you determine that the player is cheating in online chess?

There are a lot of online websites, where players can play chess in real time with each other. Most of the games are 5-10 minutes long. With the availability of chess software one can take an ...
Salvador Dali's user avatar
48 votes
6 answers
5k views

Strategy in middlegame from boring positions

I get into these rather vanilla, or as I call them, boring positions. Not much is happening tactically, and I can't fathom what the right course of action should be strategically. Here is an example....
YoungMoney's user avatar
43 votes
4 answers
5k views

Is this endgame (sort-of Q vs K) a draw?

I think the following endgame is a draw. [FEN "7k/5BpP/3K2P1/8/8/8/8/4q3 w - - 0 1"] My reasoning: I'm playing white. I will only move my king, always. Black's king cannot move. If the queen decide ...
Pedro A's user avatar
  • 1,089
27 votes
1 answer
9k views

Can a knight move through all squares from its original position?

I'm so confused about this. I googled it and read about knight's tours, however they all start from illegitimate positions. I want to know if a knight can move through all squares from its original ...
Huy Mai's user avatar
  • 371
27 votes
3 answers
9k views

What is the worst opening move in Chess960 for White?

Is there a first move for white in Chess960 in which white can immediately blunder a piece or lose a significant advantage (say -2.0 or so)?
kevin jumbo's user avatar
25 votes
3 answers
7k views

Given a legal chess position, is there an algorithm that generates a series of moves that lead to it?

Given a FEN board position, is there an algorithm that can return a PGN move list that evaluates to it from the standard initial position?
2080's user avatar
  • 916
24 votes
2 answers
1k views

Do Grandmasters think using algebraic notation?

Is algebraic notation used just to communicate chess moves in written and spoken form, or should players strive to use it during their thinking process as well? In Dan Heisman's excellent The ...
Nick's user avatar
  • 1,847
23 votes
2 answers
6k 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
  • 12.2k
19 votes
7 answers
3k views

How to play for a draw

In this video: Levon Aronian vs Magnus Carlsen Round 1 - 2013 Candidates Chess Tournament [FEN ""] 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Bxd2+ 5.Qxd2 And now, Kevin said: "You can tell that the game is ...
Lynob's user avatar
  • 5,784
18 votes
3 answers
8k views

What was the point of Shirov's 47...Bh3?

One of the most famous moves ever is Shirov's 47...Bh3!! in Topalov - Shirov, 1998. [FEN "8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - 0 47"] [Event "Linares"] [Date "1998"] [White "Veselin Topalov"] [Black ...
RemcoGerlich's user avatar
  • 28.2k
18 votes
2 answers
1k views

Is game analysis based on "squares" instead of "pieces" of any value?

Most all analysis I've seen in chess focuses on pieces development, and not the development of unoccupied spaces. Is there any value in analyzing game play in this way, and if so, how is this done? ...
blunders's user avatar
  • 4,147
16 votes
3 answers
3k views

Why can a chess move improve the chance of winning, according to the computer?

When watching the Sinquefield cup on http://grandchesstour.org/, it is possible to try different moves qnd see how the computer evaluates the position after your suggested move. Most moves will ...
jonasfh's user avatar
  • 263
15 votes
3 answers
934 views

Typical Good Bishop vs. Bad Bishop endgame - how to decide if stronger side has a definite win

Black here has 3 weak pawns; if any one of them falls - he will very likely lose the game as well. If he lets White king break through via c4-c5(d5) - White will also likely win. c5 pawn is a passed ...
Joe's user avatar
  • 4,301
14 votes
3 answers
6k views

Kasparov's Immortal Game. Flawed? 24...Kb6! Suggest an improvement for White

Kasparov's immortal game vs Topalov is often regarded as one of the best games in chess history. However, after analyzing it, I find that objectively speaking, Kasparov played some bad moves and got ...
NM Wesley Falcao's user avatar
14 votes
3 answers
2k views

Chess Tempo #97369 - Is the problem's solution wrong?

Can black force a win (against perfect play) after the following moves? [FEN "6k1/5p2/1Pp3pb/2q4p/1rNpPP2/3Q2PP/8/5RK1 b - - 0 1"] [StartPly "3"] 1... Rxc4 2. b7 (1. {Chess Tempo #97369}) A quick ...
Mark Byers's user avatar
  • 1,649
14 votes
1 answer
2k views

How not to use a chess engine?

How not to use a chess engine? What are the bad practices when using a chess engine, and the good ones? How trustworthy are their suggestions and evaluations?
ferit's user avatar
  • 4,464
14 votes
8 answers
13k views

Chess software to analyze games

My son is into chess and plays chess tournaments. I would like to know what good chess software is available to analyze his games. The software should analyze move-by-move and should point out weak/...
technewbie's user avatar
14 votes
2 answers
4k views

Which methods can be used to prove that a position is illegal?

Given a board position, there are programs that try to find a series of legal moves that lead to it. Are there algorithms that can do the opposite - prove that the position is not reachable by a ...
2080's user avatar
  • 916
13 votes
1 answer
7k views

Stockfish evaluation of a position from PGN

I am trying to get Stockfish's evaluation of a board position(which is in PGN format) using command line.I know it accepts board position in FEN format, but is there any way i can provide PGN format? ...
John's user avatar
  • 233
13 votes
2 answers
573 views

Giving moves as odds, what's the least number of moves by White which forces checkmate by the time it's Black's turn?

If one player (Black) gives another player (White) odds of x moves, stipulating that White must not move any man beyond his fourth rank until Black has made one move, what's the smallest value for "x" ...
Daniel's user avatar
  • 6,172
13 votes
2 answers
5k views

Is there any chess engine that can show if one side has a forced draw?

Is there any chess engine that has an analysis mode that can show if a position is a forced draw by either side? It is common for engines to output evaluations of 0.0 when they detect a draw. But an ...
Mark Byers's user avatar
  • 1,649
13 votes
3 answers
2k views

Is this endgame position a draw?

It’s white to move. [FEN "8/8/8/3k3p/3P3K/2P3R1/8/7r w - - 0 1"] I was white, and this was a blitz game which ended up as a draw because I didn't know what to do. My friend and I later analyzed this ...
chubbycantorset's user avatar
12 votes
4 answers
2k views

How does analyzing help me improve?

This has been really frustrating for me since I don't get it. When I go through my games I spot errors and simply find better moves but then that's it. I just don't understand how this improves your ...
user10300's user avatar
  • 131