NoseKnowsAll
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Why do pro chess players look up (look at the ceiling) when waiting for their move?
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42 votes

When you're that good at the game, you do not need to look at the board to have a complete understanding of the position. Especially just after your move is when you're more likely to be visualizing ...

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Why is ..Kh8 so much worse than ..Kg7 after Nf6?
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33 votes

Excellent question because the difference between these two king moves is actually quite subtle! In general you're completely correct that moving the king two diagonal squares away from it ensures the ...

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Is there a good program to play chess online in ubuntu?
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30 votes

On ubuntu, you can download Firefox, Chrome, or any other browser of your choice. From within that browser, go to lichess.org, chess.com, or chess24.com, create a free account, and play against others ...

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Black's tools in the Caro-Kann Advanced Tal Variation
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27 votes

I play the white side of this position often, and have an incredible winrate because to be honest, it feels very hard for black to develop naturally. Here's an example of how things can go wrong: [FEN ...

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Can you castle twice in Chess960?
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17 votes

Excellent question. The rules state that this is not possible. Castling can only be done once. This is explicitly mentioned under Guidelines II. Chess960 Rules: II.3.1 Chess960 allows each player to ...

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Is this an illegal chess move?
16 votes

Playing Kg2 in this position would "put your king in check" in that the black king is attacking that square already. So, no, that would be an illegal move. The fastest way to checkmate in ...

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Is it normal for a chess engine to blunder material if its evaluation is only based on naive material evaluation?
13 votes

This exact bot has already been created. On lichess, it is simpleEval. You could potentially use it to debug a lot of your issues by seeing what this engine does against you in a given position. ...

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Is there a resource for chess puzzles that are altered just enough to discourage easy engine use to solve?
12 votes

You're not going to be able to do this if your attendees actually want to cheat. If you give me a position without kings, I can simply edit the chessvision analysis board by putting a king somewhere I ...

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What is the the idea behind this popular double pawn sacrifice line In the Evans Gambit?
12 votes

Fischer played a famous miniature in this line against Ruben Fine and published his analysis in "My 60 Memorable Games." Basically white gets a huge attack in this line and black's best shot ...

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Strategy to win with a king and queen against a king and pawn about to promote?
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9 votes

I fully cover this endgame in my advanced endgame study on lichess if you're interested for full details. Start on chapter 9 and progress through chapter 15 if you only care about the queen vs pawn ...

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What's an ideal game for teaching a new beginner?
9 votes

I vote for the Opera Game. It showcases the very basics of strategy (controlling the center, getting the pieces developed ASAP, and attacking the king), and ends with a fantastic combination to force ...

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After 1.e4 e5 2.Nf3, is 2...Nf6 safer and easier to learn than Nc6?
8 votes

As an amateur player, you should know the connotation that 2...Nf6 (The Petrov defense) has a reputation of being more boring and more of a draw than 2...Nc6 (leading to the Ruy Lopez, Italian, and ...

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Can deep preparation for the early novelty be useful?
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7 votes

"Is it possible for White to gain an advantage due to excellent preparation, or are all uncommon early novelties bad enough to be easy for Black to refute?" Both are possible. A famous ...

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Collection of short endgame rules
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7 votes

"Dvoretsky's Endgame Manual" is exactly one such book that contains a lot of these short facts. You can treat it similarly to an encyclopedia in that regard. Throughout, he writes these key ...

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Benoni Bc1-g5 move
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7 votes

This move order, without e4 and Bg7, was employed by Botvinnik in the Tal-Botvinnik 1960 WCC match. If you're interested, check it out here. In his book on the match, Tal recommends going for a quick ...

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What happens if a player mistakenly thinks they have been checkmated?
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7 votes

If player B is checked in two different ways, then there is by definition no way for player B to block both attackers with a single move. The only way to get out of double check is to move the king. ...

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lichess puzzle 61124
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6 votes

After Qb3 or Qb5, black has the move Rb4 - kicking the queen away from the defense of the knight. In that line, white is losing a full piece. There is slightly more compensation by instead playing ...

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Why isn't the English Attack popular vs. the Sicilian Kan?
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6 votes

The English attack is only true mainline for the d6 Sicilian. The reason behind this is that in the e6 Sicilian variation, it's a lot easier for black to pressure your center and break through with a ...

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When is it a good idea to capture the fianchettoed bishop?
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6 votes

[FEN ""] 1. d4 c5 2. d5 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nf6 6. Bf4 O-O 7. Qd2 Re8 8. Be2 e6 9. Nf3 exd5 10. exd5 a6 11. O-O Bg4 12. h3 Bxf3 13. Bxf3 Qc7 14. a4 Nbd7 15. Rfe1 Bf8 16. Ne4 Nxe4 17. Rxe4 ...

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What is this line/trap in the Caro-Kann called? After Bf5, White chases Black's bishop and plays e6
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5 votes

In the advanced Caro, 4. g4 is known as the Bayonet attack. However, the main way to play in response to it is to play Bd7 because this h4-h5 + e6 pawn sacrifice is well-known to be good for white. As ...

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Empirical question: Is a drawish opening line really a concern for an ambitious player?
5 votes

You're right that drawing lines don't really affect people who are lower rated. However, your bar for 2500 isn't practical. Most people who are close to master rated (say 2100+, and even some lower ...

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How do delay and increment work, exactly?
5 votes

Nothing gets rounded internally. If you are programming a chess clock, then maintain the time according to whatever the machine precision is on your machine without rounding. Some clocks have tenth ...

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Is there a site where I can play 30 seconds games?
5 votes

If you play on a tournament in http://lichess.org, you have the option to go into Berserk mode. This effectively halves your time (NOTE: not your opponent's), for the possibility of winning more ...

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What is the idea behind 2...e6 in some Sicilian lines?
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4 votes

For starters, the e6 pawn controls d5 and f5. (1) This is great for defensive purposes because a knight landing on d5 or f5 can often ruin black's game completely in the Sicilian. A great example of ...

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How does Elo rating gain scale with games played?
4 votes

Indeed the limit of this scenario would be infinity for the perpetually winning player. This is because FIDE has a rule saying that if one player is rated more than 400 points higher than his opponent,...

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How to record these moves?
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4 votes

See for yourself: https://lichess.org/analysis/standard/3K4/q5q1/8/8/q5q1/8/8/q2Bk1q1_b_-_- It's Qa1d4 for total unambiguity. I imagine this corner case is not covered by every PGN reader though. ...

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How deep should I memorize lines of the Sicilian Dragon?
4 votes

As someone who recently got out of the 1400s, I think it's much more important that you figure out where you want to be developing your pieces and why certain pieces are good in certain places. When I ...

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(practical) Endgame resources: What's next after josh waitzkin's series in chessmaster?
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3 votes

https://lichess.org/study/topic/NoseKnowsAll/updated BCLC and I discussed my personal studies on lichess, and he felt that my endgame series in particular was a great follow-up to the chessmaster ...

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When Lichess analyzes a game, how deep does it analysis?
3 votes

It tells you at the top right. The first number (19) tells you the depth it has analyzed to (19 ply = 9.5 moves). Note that because of engine heuristics, it doesn't exhaustively search for every ...

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Are there any online public chess databases I can upload my own games to?
3 votes

I would suggest going to lichess.org and creating one or more studies for this. You can choose to make these public or private or only visible to those you give the link to. Within a study, you can ...

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