SecretAgentMan
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Do I have the right to resign on my first move or within 10 moves?
Accepted answer
21 votes

FIDE Handbook's Laws of Chess (Section 5.1.2) states The game is won by the player whose opponent declares he resigns. This immediately ends the game. (source) Players may resign at any time, ...

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Why did I fail this puzzle?
20 votes

As pointed out by Michael West, 1...Nf2 provides White the opportunity to exploit White's overwhelming advantage whereas 1...Ng3 is a forced checkmate in three (i.e., Black has a guaranteed win). ...

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In Hand and Brain chess, is the stronger player generally preferred to be the hand or the brain?
Accepted answer
13 votes

Not a definitive answer, but I'm posting my comment based on the upvotes it received. It depends. GMs have different opinions. GM Hikaru Nakamura has said it really depends on the situation. ...

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What was the longest World Championship game?
12 votes

The longest World Chess Championship game is now Carlsen-Nepomniachtchi (Dubai, 2021), held on 3 December 2021. In their 6th game, Magnus Carlsen continued to press in a theoretically drawn endgame ...

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Before Qe6 in game 6 of the 2021 World Chess Championship, was it really a draw?
Accepted answer
10 votes

There is no question. It is a theoretical draw (see tablebase).[1] Obviously to mere mortals, playing on may hold practical chances for one side. GM Nakamura repeatedly said that Game 6 of WCC ...

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How is rating score calculated on Lichess?
Accepted answer
6 votes

Without the link to player profiles and the game iteself, it is difficult to say for certain exactly what happened. For one, Lichess starts new users with a rating of 1500.[1] Even if your opponent ...

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Is there a free online chess repertoire tool?
6 votes

In addition to the other answers, there are a few sites to consider. These include annotation and comment features as mentioned by the OP. Listudy.org Upload a PGN and then you play the computer ...

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Is there any website where I can play simultaneous chess against many opponents?
3 votes

As of 29 April 2020, Chess.com supports playing online simuls (simultaneous exhibitions) against human opponents. To enable, users must select the setting "Play Multiple Games at a Time" at ...

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Erenburg vs Nakamura 2004
3 votes

TL;DR Stockfish 14+ NNUE (depth = 47, 4143k nodes/s) evaluates this position as +1.1 due to 1. gxh5 and the follow-on perfect play (the 2nd best variation starting with 1. cxb7 evaluates at -1.7). See ...

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Is this endgame a draw?
3 votes

In addition to the other answer, you can see the results from Stockfish 13+ NNUE at depth = 78 (half moves, so 39 moves). All lines are evaluated at 0.0 (Position on Lichess). This is a draw (with ...

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A deceptively simple eight piece endgame
2 votes

Stockfish 14+ NNUE evaluates this position as +0.5 (depth = 62, 22036k nodes/s). The principal variation (see below) leads to a theoretical draw according to the 7-piece tablebases. [FEN "8/1k6/...

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Did Geller resign in a drawn position vs Spassky in a 1959 game?
1 votes

TL;DR This is likely a winning position for White. Details: In Spassky–Geller (Tbilisi, 1959), Geller resigned after 75. Nc1 (game). While we don't know what perfect play is, we can approximate very ...

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Alternative to ChessBase Replay training feature
Accepted answer
1 votes

Listudy.org Upload a PGN and then you play the computer interactively. You play moves from your repertoire and the computer plays the opponent moves. This is also open source. ChessTempo.com Similar ...

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

I am not a strong enough player to be sure, but if White takes the rook with 26. Qxd2 then Black has 26...Nxf3+ with a triple attack on White's king, queen, and rook. Hug would have seen this ...

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