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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1
vote
2answers
120 views

Identifying principles and thought processes to use in locating a +3.2 or similar move

[Title "indrekaavik-Swifty15, chess.com, 5/3/2021"] [FEN ""] [startply "29"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. h3 c5 6. c4 Nc6 7. cxd5 exd5 8. Bb5 Qa5+ 9. Nc3 ...
3
votes
2answers
301 views

Scotch 4 Knights with 4… d5

[FEN "r1bqkb1r/ppp2ppp/2n2n2/3pp3/3PP3/2N2N2/PPP2PPP/R1BQKB1R w KQkq - 4 5"] If Black "mirrors" White's move 4. d4 in the Scotch 4 Knights, and White wants to play sharp, aggressive moves, what would ...
15
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4answers
3k views

The difficulty of finding the winning idea in this knight versus bishop endgame

I recently finished a tournament game on chess.com as Black that ended in a draw. It was a knight (me) vs. bishop endgame with pawns strewn across the board. Here is the entire game. [Title "...
0
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2answers
149 views

Guarding my seventh rank and a king walk assualt

A few weeks ago. I won a game as Black on lichess.com.. [FEN ""] [startply "48"] 1. e4 c5 2. Nf3 d5 3. Bd3 c4 4. Be2 e6 5. d4 cxd3 6. Qxd3 Nc6 7. exd5 Qxd5 8. a3 Nf6 9. c4 Qxd3 10....
4
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4answers
4k views

Reading PGN files using thr Stockfish engine

Is there a way to read a PGN file using the Stockfish engine? If so, please give a sample command.
2
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1answer
138 views

Queen versus rook endgame: to check or not to check?

Most tutorials the K+Q versus K+R endgame claim that at some stage, the key is to force the rook away from the king, then it is supposed to be easy: give a series of checks and fork/skewer the rook. ...
13
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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? ...
0
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1answer
121 views

I'm struggling to find the full solution of a chess problem

I'm starting to think that this puzzle, found on chess.com here in the 5th post down, does not have a correct full solution. But it features a nice line if Black moves wrongly, so judge by yourself. [...
9
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2answers
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 played as White here, and Stockfish recommended e5 ...
4
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3answers
159 views

What is the correct way to play this endgame?

[FEN "4k3/1pp2ppp/p1p5/8/4P3/8/PPP2PPP/4K3 w - - 0 1"] I win this position vs the computer sometimes, and sometimes not. But I assume there is a principal way to play this endgame that ...
3
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2answers
401 views

Did Hans Berliner win the world ICCF championship using computer help?

Way back when, Hans Berliner worked for IBM. I met him at an IBM data center one time, but he worked in the Federal division and just used the center for a demo. I had known him from the Washington ...
6
votes
3answers
3k views

Why is 12… d4 a blunder?

I recently played a game featuring the Old Sicilian with a bit of a branch-off. White played 3. Bc4 after 2. Nf3 Nc6, which I don't deal well with. I ended up playing 12... d4, attacking the White ...
2
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4answers
296 views

SCID not recognising transpositions

I like going through open variations and taking notes and saving them in my database. However I have a problem. When I get to two of the exact same board positions and same color to play, if I got ...
3
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0answers
87 views

Is there a solution to this puzzle in Clive Ke's “How to improve in chess” book? [closed]

I am wondering if there's a solution to this puzzle anywhere. [FEN "3r4/p4k2/1p2bb1p/2p2pp1/5P2/1NP1B2P/PP4P1/4R1K1 w - - 0 1"] Here's the description of the puzzle in Clive Ke's "How ...
-4
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1answer
92 views

An incredibile endgame

Is the following position [FEN "8/P1R5/K3p3/4k3/B3b3/8/8/1r6 w - - 0 1"] a win ( for White) or a draw? The position above is derived from a variation of Stockfish vs Komodo TCEC Season 19 ...
2
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3answers
178 views

Tools to analyse weaknesses based on Lichess history

Are there any tools that can find weaknesses in your games based on your Lichess history (eg, you often play a particularly bad line in a certain opening, or often fall for a certain trap), and then ...
2
votes
2answers
317 views

In chess.com analysis, why is a rook promotion better than a queen promotion?

I was analyzing a game on chess.com and it showed me that, in the below scenario, it is better to promote to a rook instead of promoting to a queen. It also shows that it has a mate in 6 with the ...
3
votes
1answer
131 views

Why not 7.Bb4+ before playing Ne7 in the French Defence: Advance, Paulsen Attack?

After playing 5.Qb6 which I believe is the final move of the Advance variation of the French, my opponent played 6.a4. I followed with cxd4 and them by cxd4 as well. After that I couldn't remember the ...
11
votes
3answers
3k views

Why move bishop first instead of queen in this puzzle?

In this puzzle (white to move), the solution first moves the bishop (to pin the knight) and only then the queen. Why is it better to move the bishop first? [FEN "r2qk2r/pbp1bpp1/1pnp3p/8/3NP3/...
4
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2answers
487 views

Can I host lichess server to my local machine to use the study offline?

Lichess is a free, Ad-free and Open-Source chess server. To me, it has the best STUDY option over the internet. I am thinking whether it's possible or not to host a localhost setup using the source ...
2
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2answers
211 views

Karpov vs Kasparov, Game 41

In the common literature, it appears as truth that Karpov missed the winning a6! instead of Rxd1 on move 33, Game 41, in the first Karpov vs Kasparov match. But is the following position, derivate ...
-4
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1answer
122 views

Analysis all games by a chess.com user? [closed]

How do I analyze the moves made by a user by looking at all the games played by a Chess.com player? What I'm exactly looking for is how I do make openings as black. Aggregates results would be amazing....
3
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1answer
161 views

In the shown position, should I push pawns or trade material?

In the following (now finished) game, I was unsure at this point how to proceed. One thought was to take the pawn at d4 with the rook, in order to entice a rook/rook trade since I'm up on material. ...
1
vote
2answers
779 views

The early …Qf6 in the Scotch Game

In the Scotch Game, what is the best move for White after this sequence? [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 (5. Nb5) (5. Nf3) 5...Bc5 Most videos don't even count ...
2
votes
5answers
1k 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 ...
3
votes
1answer
91 views

Playing with Ranks Advantage

[FEN "rnbqkbnr/pppppppp/8/PPPPPPPP/RNBQKBNR/8/8/8 w - - 0 1"] I was planning to play white against the computer, starting with the positional advantage as shown above. I don't know how to ...
7
votes
1answer
625 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 ...
0
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0answers
6 views

How to solve interface issues on Sesse analysis tool? [duplicate]

I tried to use the sesse analysis tool (https://analysis.sesse.net/), but when I use it, there is a big issue : there are no pieces on the board, so i can not play a move, I can't use the tool. I ...
1
vote
1answer
158 views

Mate In N algorithm-Lichess Computer Analysis

Is it possible to have the computer analysis report mate in 12 moves to only change that to mate in higher number of moves, like 15 for example, after it searches deeper?
6
votes
3answers
4k views

How do you play if both sides get a queen?

Here, I've read through the famous Réti endgame study. However, there is a possibility that both sides can get a queen. For example, take a look at this variation. [FEN "7K/8/k1P5/7p/8/8/8/8 w - -...
2
votes
1answer
145 views

Why does Stockfish lose against this piece sacrifice in the Berlin Defense?

In a recent YouTube video, Jonathan Schrantz presents an absurd (?) piece sacrifice in the Berlin Defense, which Stockfish seems to vastly underestimate. The engine evaluation shows around -4, until ...
2
votes
1answer
751 views

A chess problem question: Why is this the solution?

[FEN "5B2/3p1n2/R2p4/1P1NRBQ1/1KPkrb2/1p6/2Pp1Pn1/4r3 w - - 0 1"] 1. Nc7! Rxe5 (1... Nxg5) (1... d1=Q) 2.c3# What would make you play Nc7? This results in checkmate in 2 if, as the ...
3
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1answer
270 views

Is this checkmate?

[fen "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"] I recently started playing chess and was doing some puzzles online. It says that this move is checkmate but I don't see why white can't move to ...
6
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6answers
4k views

What are good ways to check blunders after the match?

Currently I am using Tarrasch for GUI and Rybka 2.3.2a as the engine. With that, I am able to kibitzing every position in the game and check for any blunder. So basically this is what I always did: ...
-3
votes
4answers
2k views

Can someone tell me if this is a checkmate or stalemate?

[FEN "5rk/Q1p2p1p/4p1p/2Pq2b/3P2n/4P1Pb/PP1B1P1P/R2R2K w - - 0 1"] Apparently, the system says that it's checkmate, but I don't get it. Can someone please explain it?
5
votes
1answer
242 views

What is the difference between a brilliant move and the best move?

As far as I know, nowadays the chess engines can judge that a move is the best or that it is brilliant (usually denoted by ! or !!). I was wondering what is the precise criterion for this ...
7
votes
4answers
3k views

App that identifies moves as Excellent/Good/Mistakes/Blunders

I really like the analysis tool on chess.com that processes your games and identifies the Excellent and Good moves, as well as Mistakes and Blunders. It also proposes which move should have been ...
3
votes
1answer
505 views

Why is Ne4 considered as an inaccuracy whereas it is one of very few moves which saves d3 pawn?

[FEN "r2q1rk1/1p3ppp/p4n2/2Pp4/1Pn5/P1Bp3P/3N2P1/R2QN2K b - - 4 21"] With Black to move Ne4 is not even in top 5 moves and engine says its an inaccuracy. I know it considers fastest winning ...
6
votes
2answers
275 views

I developed all the pieces I could. Now what?

I was playing chess against an AI, and found myself in this position (Black/me to move): r1b2rk1/4n3/p1p1p1p1/1p1pPp1p/1PnN1P2/2NB4/2PP2PP/1RB2RK1 b - - 0 1 The only moves I could think of were ...
11
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2answers
865 views

How do you analyze master games without annotations?

I am starting to analyze master games more often because I never really do. But I play openings most masters don't and most games with these openings don't have many annotated games. So, how do you ...
9
votes
4answers
2k views

Website or program that creates puzzles from blunders in your past games

I'm looking for a website or program that would look at your past games on Lichess or chess.com and find moves that you played that were blunders and create puzzles around those
4
votes
4answers
657 views

How to determine objectively if a move is passive or aggressive?

I'm doing research about how different conditions or situations affect the decision making process in chess. For example if the opponent's ELO ranking affects the average time used for every move. In ...
2
votes
2answers
695 views

SCID vs ChessBase - play, analyse, visualization - ubuntu

Please help me or give me the correct terms to find it out. What I want is: Play chess against an engine or repeat an existing game For my current move, I want an analyser to analyse my move, and a ...
2
votes
1answer
98 views

Guide to understanding engine analysis output

Not having played for decades, I am getting back into chess, with all the great programs. I have Shredder 13 and Fritz 17. Both can output very impressive analysis. But for an effective newbie, where ...
4
votes
2answers
151 views

Why does castling in the Four Knights: Double Spanish opening inadvertantly stop Bxc3?

So I am currently working through Chess Fundamentals by Capablanca and he said something I find opaque: following 1.e4, e5 2.Nf3, Nc6 3.Nc3, Nf6 4.Bb5, Bb4 "5.0-0 an indirect way of preventing 5.....
3
votes
2answers
230 views

What's the idea behind delaying capturing the rook (25…Rd2) in Hug–Spassky (1973)?

I've been studying a series of games featuring the King's Indian Attack and in Hug–Spassky (1973)[1], I don't understand why White delays capturing the rook after 25...Rd2. Why play 26. Nd3? Is White ...
6
votes
1answer
1k views

What is the best move in this puzzle rush?

[FEN "2b2r1r/2k1q1b1/2p1p2p/1p1pPp2/pP1P1RB1/P1N5/2P1Q1PP/5RK1 w - f6 0 1"] [starpPly "2"] 1. Bh5? In this puzzle rush from chess.com, it says that Bh5 is the wrong move, ...
0
votes
1answer
184 views

Why does white not play cxd4 here?

I am Black and my opponent is White. Here the computer recommends Rxd4, which I have done (the rook captured bishop here). [FEN "4r1k1/1pp2pp1/p6p/4q3/P2rPn2/2P1QP1P/1P4P1/R4RK1 w - - 0 1"] ...
5
votes
4answers
3k views

Why is exchanging these knights the best move for white?

Why is exchanging these knights the best move for white? I'm trying to understand how to get better with strategy and tactics.
1
vote
2answers
126 views

What was the best move for white? Could white have won?

Could white have won this game? What was the best move in this position for white? Or could Black have won?

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