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Questions tagged [analysis]

Questions related to determining the Truth behind positions. This includes who is winning, what the next move should be, and what happens when a certain move is played.

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7
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1answer
622 views

Tool that suggests tactics exercises based on game analysis

Does anyone know of any common tool that can go throughout your game database (I have a couple of hundreds of my game's PGNs), and extract tactics that one should be training? I believe something as ...
8
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1answer
4k views

Minimum moves to checkmate?

What is the minimum number of moves, counting both sides, in which a checkmate can be made?
7
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5answers
523 views

White have an advantage with the first move [duplicate]

I am beginner in chess but in my mind one question overcome, Does white have an advantage with the first move?
6
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1answer
210 views

What does [6/10]-611 stand for?

I am using Chess for Android app by Aart Bik. Fairly easy to use and understand (and difficult to beat). I get these numbers displayed below the noted moves and I think these are analysis symbols ...
6
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3answers
246 views

Best continuation in this puzzle, h4 or Qd8?

In the given diagram, I have two best ways to continue for white, which is the better option out of these two and why? [FEN "2Q5/p1P2pkp/1p2p3/5p2/3P4/5P1P/P2q2PK/8 w - - 0 1 "] 1. Qd8 Qf4+ (1. h4 ...
6
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4answers
3k views

What type of hardware is the most important for analysing with Houdini?

I am going to analyse a lot of games with Houdini 3. The system on which I am going to analyse it is really powerful, but I am curious, what is the most important type of hardware for such analysis? ...
13
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5answers
450 views

Analyzing this opening I played

I just played what I believe was a set of moves that gave me an overwhelming advantage (I exchanged 2 minor pieces for rook + 2 pawns + prevented castling + doubled pawns + exposed enemy king): (I am ...
9
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2answers
281 views

Why was 49…Rb4+ played in this puzzle?

I was looking at the answer of today's puzzle in chessgames and see that the reason I wasn't able to solve it because I missed a key move in the solution: Black played 49...Rb4+ note: this is not the ...
5
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3answers
192 views

Was my knight salvable after the queen exchanges?

After the queen exchanges at move 23., I realised my pinned knight was going to die. I had a couple of moves to try to prevent the inevitable, but I couldn't: [fen ""] 1. e4 c5 2. Nf3 Nc6 3. Bc4 ...
9
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3answers
2k views

Best reply to C46 Four knights, Italian variation

I am a low rating player and I would like to understand why 5 Nxe4 is consider to be the best replay by white on the C46 Four knights, Italian variation opening against 4 Nxe4 by black. Instead of 5. ...
17
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7answers
2k 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 ...
13
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3answers
808 views

How to reach an open position in the 4 Knights Game without exchanging too much material?

I believe that 4 knights opening is the most popular opening, especially among average players. I play it a lot, that's why I want to analyse it. I'm an average player, so I hope you can help me. ...
6
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1answer
2k views

Analysis of Viswanathan Anand vs Vladimir Kramnik in the 2013 Zurich Chess Challenge?

I was taking a look at the game between Viswanathan Anand and Vladimir Kramnik in the 2013 Zurich Chess Challenge which can be found here: http://www.chessgames.com/perl/chessgame?gid=1711735. A few ...
9
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1answer
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 ...
13
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1answer
644 views

Can this exchange-down endgame be explained succinctly?

I am interested in the following exchange-down endgame (assume White to move): [fen "6k1/5ppp/8/8/1r6/5KP1/5P1P/5B2 w - - 0 1"] In particular, I am wondering whether this is objectively drawn (my ...
17
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4answers
3k 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 ...
8
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3answers
258 views

Why isn't there a big advantage in this position for black?

I was browsing some interesting games, and found this one "Jerzy Lewi vs Jan Adamski" (1969): [fen "r1b2r1k/1pq3bp/8/3Qp2n/1P1n1pp1/2NP2P1/3BPPBP/1R2NRK1 b - - 0 0"] 1... Qxc3 2. Bxc3 Nxe2+ 3. Kh1 ...
9
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1answer
1k views

Mate in N. What is the largest N known?

What known position has one side with a forced mate in N moves, with N the largest? I came across one with 517 moves using only 7 pieces, so there should be much be larger. (Ignoring the 50-move rule)....
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3answers
3k 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. ...
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3answers
2k views

Is this endgame position a draw?

It’s whit 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 ...
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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 ...
7
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3answers
226 views

How to get opening analysis published and in ECO?

My friend and I have done substantial research on a number of various lines over the years, and now that we are not really active anymore we were hoping to publish some of the gems. Most of the ...
9
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1answer
279 views

Sacrificing Bishop for Two Pawns against Queenside Castling

Though queenside castling is less common, it is important enough to study. If your opponent has castled queenside, sometimes you have an opportunity to expose their King by sacrificing your Bishop for ...
9
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2answers
4k views

Fritz: Full analysis Vs Blunder check

In Fritz, I am interested to know the differences between the Full Analysis and Blunder Check. The differences at the first look seem superficial. For example, I wouldn't mind if there is no natural ...
42
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7answers
14k 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 ...
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2answers
808 views

Sharp pawn endgame - can it be calculated to the end? With Computer engine?

White to move, here is a brief summary of my analysis where I attempted to determine exact evaluation. Number of pawns is equal but White's 2 pawns on the queenside are held by one Black's pawn, so in ...
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4answers
1k views

Chess engines for analysing games

Up untill now, I have used Rybka for analysis of my games. What other chess engines have you used, and how helpful are they? I am not interested in a list of chess engines with their respective ...
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2answers
660 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 ...
11
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4answers
743 views

My bishop is attacked by a rook-pawn, now what?

I usually get into this position, where I just recently moved the bishop to g5 (or b5), and his response is moving h6 (or a6): Usually here, I only consider two possibilities: Take the knight ...
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3answers
1k views

In Spassky v Fischer '72 game 11, why is 14. Nb1 considered such a great move?

In game 11 of the 1972 World Championship, Spassky as white moves his Knight back to its 14. Nb1 starting position. Apparently, this moved was received as 14. Nb1!!. But to me, it seems as a simple ...
6
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2answers
694 views

Is there a chess software that allows to generate and store engine evaluation graph for a chess game?

A software like Fritz or Arena typically shows a graph for a game that is currently being analyzed/played. Fritz 5.32 also generates those graphs as it does automated analysis of several games in DB. ...
5
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1answer
403 views

Is there a common list of steps to analyse/annotate one's game?

What is the best way to annotate one's game to derive the most instructive value out of it? In the search for critical positions - do you start from the beginning, or from the end (last move)? When do ...
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6answers
4k 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....
8
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1answer
289 views

Elements to take into account when evaluating 'board strength'

As part of a demo for a rules engine I'm dreaming up, I'd like to do an evaluation of a chess board that communicates each side's general strength at that point in time. Advanced things like ...
7
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1answer
244 views

Recent research, or analysis sites, about some chess variants?

I would appreciate some links to recent (within the last 8 years) chess variant analyses and research. As to standard chess it seems like the source code for a lot of the computer chess programs ...
6
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1answer
226 views

Yusupov - Spiridonov training question

One of the lessons on the Chess.com site uses the Yusupov - Spiridonov match, with Black to play after 1.Nf6+: [fen "5rk1/pb3p1p/1pr5/8/2P1p1N1/qPQ1P3/4B1PP/3R2K1 w - - 0 1"] 1.Nf6+ The "correct" ...
5
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1answer
565 views

Specialized tactics books to improve position analysis?

I know that Mig Greengard used to have the VisualEyes column in Chess Ninja. In that column you were given a position and then a list of moves (say 3 or 4 moves forward) and then you were asked to ...
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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 ...
9
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1answer
3k 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 ...
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5answers
3k 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 ...
9
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2answers
245 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" ...
9
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1answer
339 views

Did Reinfeld make a mistake?

One of the illustrative games featured in Fred Reinfeld's The Complete Chessplayer is a game between A. Muffang - P. Devos, France-Belgium 1948: [FEN ""] 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. ...
7
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1answer
615 views

Why is the latest Stockfish (2.2.2) infinitely slower (than 2.1.1) in Scid?

I was about to spend some time researching this, but realized someone might have already looked into it; if not, I may just answer my own question in a few hours. Scid is pegging one core of the CPU, ...
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2answers
3k 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 ...
11
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3answers
757 views

In the immortal draw, why is the Queen sac 9…Qxa4+ considered the best move?

After White's first nine moves in the Immortal Draw: [FEN ""] 1.e4 e5 2.Nc3 Bc5 3.Na4 Bxf2+ 4.Kxf2 Qh4+ 5.Ke3 Qf4+ 6.Kd3 d5 7.Kc3 Qxe4 8.Kb3 Na6 9.a3 Why is 9...Qxa4+ the best move here? Doesn't ...
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3answers
460 views

What's the best plan for white in this position?

I have come this far and am not sure what to do further in the game. I have been doing some maneuvering here but it seemed quite disoriented. What is a good plan that will help white win? [FEN "...
17
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3answers
626 views

Anand - Gelfand 12th game in World Chess championship 2012

I have been following 12th game in World Chess championship 2012, and I just could not understand why a draw was offered. Is it that they can see 10 or more moves ahead and think of the ending or is ...
10
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3answers
1k 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"] 1... Rxc4 2. b7 (1. {Chess Tempo #97369}) A quick summary of this ...
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2answers
793 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 ...
7
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3answers
451 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?