All Questions

I was practicing with stockfish level 8, having two rooks in the endgame whereas stockfish has only one. At the 78th move, it was declared as a draw. But, it was not a stalemate. Can anyone please ...

this is about queen gambit declined lasker defence : [fen ""] 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Rc1 Nxc3 10. Rxc3 c6 11. Qc2 Nd7 12. a3 why or ...

I am looking for a chess book (or any type of source) for entertaining and beautiful chess puzzles. The type of puzzles I'm looking for is not aimed to improve tactical ability but aimed to entertain ...

Is the bonus time added before the game starts, that is before the first move? I play in a competition that has a time control of 1 hour 40 minutes +30 seconds per move. If I set the chess clock to ...

I am going to be going to my first tournament soon (the southern class championship), and am slightly confused about the time control. Most tournament listings have something along the lines of 40/...

is there a simple / basic / quick checklist that beginners can use when in super easy games? I am not worried about questions like pawn structure, applying pressure, maintaining momentum, I am talking ...

I'm master fide and I was Pan American champion and country champion in youth categories, I am currently semi-retired but I still have an elo close to 2400. My problem is the following: How can I ...

This is the scenario: I pick up my Knight to capture my opponent's Bishop (touching the Bishop). I then realise my Knight was pinned to my King in the first place, so moving it would be illegal. ...

As I understand it engines can be divided into four groups right now: those that use Alpha-beta (AB) + those that use Monte Carlo Tree Search (MCTS) for search, and those that use handwritten ...

If a player intentionally damages a chess set (e.g. breaks a piece in two, cracks the board, etc.), is there a specific penalty under FIDE rules? I'm not talking about moving pieces around ...

I'm looking to implement a Glicko 2 library in my application, however the two libraries I'm considering are different. Firstly, they produce slightly different results for the same dataset (the ...

In the game Andrey Esipenko - Nihal Sarin (2018 World Blitz Championship), after 7. Qb3 c4 8. Qc2 Sarin plays 8... Bf5, and before he hits the clock, Esipenko plays 9. Qc1, but since Nihal has not ...

we belong to a state in India with over 5000 active players. FIDE rating tournaments and FIDE rated players are here but we wish to start a new internal rating system like the USCF or ACF rating ...

This question is related to another I just posted, but it is actually a different question: if Black Defends the Tartakower QGD without an early ...h6, and I am an Anti-Tartakower–Makogonov–...

Why is the Tartakower Variation of the Queen's Gambit Declined almost always predeced by 5...h6, while in the Orthodox defense an early ...h6 is almost never played by Black?

I'm going through a classic book (Reti's Modern Ideas in Chess), which uses English descriptive notation rather than algebraic notation. I see there is an online resource which has converted the book ...

Suppose my opponent in a tournament was running very low on time, and after move 40, presses the clock and leaves the board for a while, falsely believing they will get extra time on their clock. ...

I enjoy playing chess and thought that I knew all of the "rules"??? However, I just found out now something interesting, though very confused regarding what exactly the "Pawn" is able to perform??? ...

Image attached. May not be exactly right but looks something similar to this! Thanks]1

Why don't the developers of AlphaZero let it learn for days, or even months on end? Wouldn't its neural network become much stronger, at the cost of just occupying some computational resources for a ...

I made a horrible decision as black in a game, and I do not understand why it's incorrect. [fen "rn2kb1r/pp2pppp/1q3n2/2pp4/3P1P2/2PQPN2/PP4PP/RNB1K2R b - - 0 1"] I played c4, Stockfish considers ...

I am arbiter myself, but I don't know how to treat player in team matches who try to indicate other players of their team what move to play in position they are in. If they won their game I might ...

The usual case one often sees specially in blitz play is when one side (usually the winning) mis-plays and then stalemate occurs with the losing side dodging a loss. But are there positions where ...

Whenever I play the English Opening, I usually try to achieve a c4, d4, e3 pawn structure. However, in this video by STL chess club, the instructor recommends playing d3 (and possibly e4 later) to ...

I want to be able to play entire games blindfolded, atleast at the strength that I can win against beginner players. My current ELO is around 1800. I usually manage to play ok moves up to move 20, ...

I am developing in my free time a python-based supervised chess engine. It is trained on past games to detect who wins (only games without draw), then it proceeds as follows: 1) find the top 4 moves ...

As a child, I grew up being taught that, in the event any player has only a king left, checkmate must occur in sixteen moves, otherwise the game results in a stalemate. I am far from the only one ...

What was the first chess engine that could beat the world chess champion when running on a standard desktop playing at standard speeds (i.e. not blitz chess)? For concreteness, say a $1000 PC.

Which is the most popular and crowded chess server? I'm new at computer chess, and want to start playing at servers, but I do not understand where I have to play. I am hearing about freechess, ...

I thought I might take a minute to share a project I started about 20 years ago. Essentially, I used my ChessMaster program to make a "Chess Explorer". In 1998, I noticed I could add notes into ...

Which chess GUI will be good for Linux. I have tried a lot of GUI's, but as I am new at computer chess, I have no idea about pros and cons of chess GUI's. Which is chess GUI will you recommend? Is ...

A polite duplicate asked last week by @57Jimmy mentions an incidental matter I find interesting: But when all the pieces are out, well placed, and I have castled, I have no idea about what I should ...

After Kramnik's recent announcement, Nakamura also said in a chess.com interview that he will retire from chess at age 40. I am curious why a super GM feels the need to "officially retire" from chess ...

It seems both openings have the Capablanca Pawn Structure with c6 and e6 I'm curious about where the similarities stop and what are the optimal pawn breaks.

How can I import to CTG tree Chessbase from AQT tree Chess Aquarium?.

Few days ago I was watching a game review on lichess and found out one of the player's account was banned. Any idea why lichess does that?

Does anyone have advice to give against the giuoco piano ? I find this opening boring for white after 3... Bc5 and I'd like to find a way to keep playing the italian without risking to play a boring ...

I usually find in reports like this (and many others) something like: ... with a TPR of 2551 ... I would like to know its meaning, and also what it stands for.

Does Stockfish's testing framework get the new engine to play the old engine many times in a match? Since Stockfish thinks on each move according to a time limit (and not a depth limit, which gives a ...

LiChess puzzle 87510 has the following 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, ...

I understand that when the same board position occurs three times in a game, with the same player to move, and having all the same possible moves, the game may be claimed as a draw by threefold ...

After reading Chess structures of Mauricio Flores Rios, I have some initial questions on the Isolani (or isolated queen pawn). The author shows this diagram: Latee, he proceeds to giving White and ...

The FIDE Rules for Swiss Systems state: C.04.2 A It is not allowed to alter the correct pairings in favour of any player. and then further state: Where it can be shown that modifications of ...

This dilemma occurs in a variety of positions. [FEN "r1bq1rk1/pp1nbpp1/5n1p/2pp4/3P3B/2NBPN2/PP3PPP/R2QK2R w KQ - 0 10"] Here, it's white to move, and white has to choose between: capturing black's ...

If black 'mirrors' whites 4. d4 in the Scotch 4 Knights and white wants to play sharp, aggressive moves. what would be the best move? I know that chess engines like stockfish, GNU Chess etc. would ...

This is a very basic and general question (and my first on this website), so feel free to tell me if this is inappropriate. Besides specific strategies and opening sequences, there are some fairly ...

Very often, I find myself playing the Caro-Kann and encountering positions like this below (especially note the pawns on the columns c and d): I do have read that knowing what to do (capturing or ...

I was looking through the top classical players list on LiChess, and I'm gradually improving. I noticed I'm catching up with IM Eric Rosen, which I found surprising (I'm nowhere near that strong). ...

How is this checkmate? The King isn't even in check! Am I missing something, or did the chess app goof up?

In a LiChess game (Vakeesh vs. becky82), during the game I thought I played well, and won as black without and real complications. Here's the game: [fen ""] [Event "Rated Classical game"] [Date "...