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1500 questions
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2 answers

Why does Hikaru Nakamura avoid Carlsen?

I like watching Hikaru's youtube videos. His commentary on the games is very descriptive, unlike other players that stay quiet for most of the game. Hikaru's always talking, letting you know what's going on. However, one strange thing I've noticed…
dndndurudndndduru
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As a coach what is the process to create a repertoire for a child?

I started coaching a child (11 yo) part-time. Has to be said that I am passionate about chess, and I am myself 1992 ELO and am new to coaching, but I like sharing and explaining. At first I was helping him to prepare before the tournaments and we…
V. Sambor
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2 answers

How to represent chess state with a bitboard

I'm interested in programming a chess engine and using bitboards to represent the state of the game. I know there are a few open source chess engines that use bitboards, but its not so easy to look at the code and understand what is going on. I'm…
axiopisty
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12
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5 answers

Books on opening theory organized around tactical/strategic motives, not opening lines

"Understand your openings, not just memorize lines" is a common advice given to a club level player. However, most opening books are still organized around lines, amended with some explanations that may or may not yield "understanding". I wonder if…
Kostya_I
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12
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6 answers

What is the correct hand movement to capture a piece?

I see players in international tournaments taking pieces in the following fashion: first they take off the board the piece they intend to take, and only then, with the same hand, they move their taking piece in the square occupied by the removed…
Overflow
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1 answer

Are banter blitz players who draw arrows on the board during the game breaking the FIDE Laws of Chess?

According to the FIDE Laws of Chess: 11.3.1 During play the players are forbidden to use any notes, sources of information or advice, or analyse any game on another chessboard. Streamers and banter blitz players often draw lines and arrows on the…
Brian Towers
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12
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2 answers

In Fischer-Petrosian 1971 game 7, why did Fischer give up his good knight for a bad bishop?

Fischer played 22. Nxd7, which seems strange since the knight looked very good. Why did he play it? [Title "Fischer-Petrosian, Buenos Aires (7) 1971, 10/19/1971"] [FEN ""] [startply "42"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6.…
user20471
12
votes
5 answers

Trade a bishop in the opening

In several openings white or black trades a bishop for a knight (Ruy Lopes exhange, Sicilian Rossomilo, Nimzo Indian etc). I have learned the bishop pair is worth a half pawn, and I have difficult to understand these trades, which to me look bad.…
Msiipola
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3 answers

Average centipawn loss

I had no inacurracies, blunders or mistakes then also my centipawn loss was 48, or 50. What is the problem here or I have misunderstood average centipawn loss. You can have a look at that game at lichess. Link to the game:…
Amar Shukla
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12
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2 answers

Identify a problem where a potentially winning move draws because of the 50 move rule

I'm trying to recall a particular chess problem. It's related to retrograde analysis. All what I can remember is this: it's an endgame where there is only one way to reach the position, and during last 49 moves there were no captures, so a potential…
dveim
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12
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1 answer

Eight pawns vs seven exercise: how to win?

I had been thinking about exercises to help players <1400 gain confidence. For instance, they should feel confident they can always win with queen and king vs king, or rook and king vs king, even against Magnus Carlsen. They should also feel…
aschultz
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12
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3 answers

Human-like engine for endgame training

I am doing endgame training with LucasChess (LC), but the problem is not really related to LC, but to chess engines in general. I have this problem: See picture. When I move Kh6 in this position, the engine in LC moves Ke8. Probably this is the…
Wickie
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4 answers

At what point does the opening end, and middle game begin?

Just curious if there's a set of guidelines to determine when a player can call the opening pretty much done, and move into the middle game. I know some rules of the opening that would apply are All pieces developed King castled Rooks…
MDMoore313
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Lichess puzzle 87510: How much calculation would a strong player do before playing Bg4+ when white has a range of (all losing) responses?

Lichess puzzle 87510 has this position. [FEN "r1b1k3/pp4R1/2q3RQ/4p3/5P2/bP2P3/2P1K2P/8 b - - 0 1"] The solution is 1...Bg4+,.after which White has 6 legal moves: 1...Bg4+ 2. Rxg4 Qxh6, which is the computer solution, possibly followed by 3. Rg8+…
Rebecca J. Stones
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12
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4 answers

Rules: Is this position a draw?

Is this position a draw? [FEN ""] 1. Nf3 Nf6 2. Ng1 Ng8 3. Nf3 Nf6 4. Ng1 Ng8 I don't mean to ask the age-old question "Is chess a draw?"; four moves have been played here, returning to the starting position. Since the start position has appeared…
Tom 7
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