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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66
votes
12answers
21k 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 ...
19
votes
7answers
60k 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 ...
13
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3answers
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. ...
39
votes
12answers
24k 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, ...
15
votes
6answers
3k 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 ...
19
votes
6answers
3k 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 ...
7
votes
5answers
4k 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 "...
11
votes
7answers
6k 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 ...
5
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5answers
5k 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?
19
votes
4answers
4k 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 ...
17
votes
5answers
9k 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 ...
23
votes
7answers
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 ...
3
votes
2answers
566 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 ...
10
votes
2answers
928 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 ...
8
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1answer
5k views

Minimum moves to checkmate?

What is the minimum number of moves, counting both sides, in which a checkmate can be made?
6
votes
1answer
239 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 ...
3
votes
1answer
751 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 ...
2
votes
2answers
476 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 ...
50
votes
7answers
29k 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 ...
44
votes
6answers
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....
26
votes
1answer
8k 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 ...
40
votes
4answers
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 ...
13
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1answer
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?
10
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5answers
9k views

How to automatically evaluate a player's performance in a game?

Suppose I have a completed game. I don't have Elo ratings of the players. My purpose is to evaluate a player's performance in the game based solely on his moves. Can this can be done automatically ...
8
votes
3answers
510 views

Are there innate limits in chess performance?

Are they tied to IQ and amount of deliberate practice, and if so, does that mean if you know the player's IQ you're able to estimate the time of deliberate practice spent learning?
23
votes
2answers
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 ...
10
votes
1answer
5k 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? ...
8
votes
3answers
5k views

How do you analyze master games?

One of the pieces of advice (usually from masters) that I see over and over is that I should be analyzing master games. But how do I do that? Most of the tactics are over my head (obviously the ...
17
votes
2answers
5k 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 ...
13
votes
2answers
375 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" ...
12
votes
4answers
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 ...
12
votes
3answers
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 ...
7
votes
3answers
815 views

How do I seriously analyze my tournament games and become stronger doing so?

I'm a Class B, but I would like to reach Master Class one day. I been playing a lot of OTB games recently, and I would like to spend time studying my weaknesses. My coach noted some major weaknesses ...
6
votes
1answer
685 views

Make checkmate with pawns without promotion

I have a chess puzzle here: [FEN "7k/8/8/4KPPP/8/8/8/8 - - - 0 0 "] Can White force mate without promotion? And if such exist, where can I find some more chess puzzles like this, which feature ...
6
votes
1answer
267 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 ...
15
votes
3answers
848 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 ...
15
votes
3answers
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 ...
11
votes
2answers
3k views

Can I win this Rook and Pawn vs Bishop endgame?

I'm playing white and I've been unable to get the black king out of the corner. Does black have a guaranteed stalemate or is there some way to force him out the corner? [fen "5K1k/6R1/7P/8/8/8/2b5/8 ...
9
votes
5answers
4k 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 ...
9
votes
1answer
4k views

How do I use the analysis output of a UCI engine?

I'm trying to analyze some of my games with the Stockfish UCI engine. I'd like to make sure I'm interpreting the output correctly. Using this screenshot as an example. Can someone explain to me all ...
8
votes
6answers
10k views

How do players “see” several moves ahead?

How can you predict what your opponent will play in the next 5 turns, 7 turns, 10 turns? If the game is like a tree, then the more the turns the more it will branch out. How can a player accurately ...
7
votes
3answers
25k views

Average centipawn loss

I had no incurracies,blunders or mistakes then also my centipawn loss was 48. What is the problem here or I have misunderstood average centipawn loss. You can have a look at that game at lichess. ...
6
votes
2answers
889 views

KNN-K Chess Endgame

[FEN "8/8/8/4N3/4N3/4K3/8/4k3 - - - 0 0 "] I have this chess problem that I have played with. Logically, there are positions that have the Black King in checkmate. But untill now, I haven’t been able ...
5
votes
1answer
4k views

Where can I download a 6 man endgame tablebase

I just cannot seem to find a link to a 6 man download endgame tablebase from syzygy. If anyone could provide me with a link it would be greatly appreciated.
2
votes
1answer
139 views

When is a bishop preferred over a rook

I've seen some moves from my chess engine (Houdini) when a rook was exchanged for a bishop. Even though I still lose the game, I see a degrading value for chess engine. Is it just because of bad ...
2
votes
3answers
2k views

How to evaluate my move with UCI engine?

I am looking for a way to analyse the moves I play. I'm NOT looking for a suggestion of a GUI that does this, or using Chessbase to do this. I want to know how to do this by communicating directly ...
18
votes
7answers
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 ...
17
votes
2answers
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? ...
15
votes
3answers
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 ...
12
votes
3answers
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 ...