All Questions

Depending on the situation, some pieces that are ordinarily worth the about same value (say a knight and a bishop, or two of any piece) have different practical values because one piece is stronger ...

[fen "5k2/8/1R6/5r2/P7/1P4P1/6KP/5n2 b - - 0 40"] With black to move, remarkably it's mate in 2 (at first glance, it looks like black may struggle to even draw). It occurred in a recent LiChess game ...

Nakamura castles with two hands. But I saw one of my students taking their king and "tipping" their rook towards f1. Is this USCF/FIDE legal?

In Queen's Gambit Declined, Albin counter-gambit, Lasker trap, black ended up with three knights, which should be rare. Here white should not capture the additional knight in the next move (8. Rxg1 ...

I have recently got back into chess. I only really get to play online these days (May get the odd game OTB with the kids but I have only just started to teach them) I thought it might be a nice idea ...

May I know how to find in all grandmaster games, what the percentage of each of the following is? Kingside castling Queenside castling Never castled by the end of the game but still has the right to ...

The Sodium attack is characterised by the move 1.Na3, tending to be followed by the fianchetto of the bishop. This opening has never been played by myself, but I seem to encounter it quite frequently ...

I’ve read up on Babson tasks, and they mention that all known tasks are not perfect because they are duals. I’m not sure what this means exactly. Does it mean that the problem takes place in two parts ...

I'm looking for a program or website which offers to create chess diagrams using custom piece sets. I know many sites and programs that offer this but with a preset types of pieces. This is the case ...

I was just wondering how to play chess.

Quite simply, is this the longest possible series of consecutive captures in a legally reachable, legal game? I composed this particular party myself. [FEN "q1kr2q1/1qnqnb2/2prp3/q2pK3/2P1P3/1QNQNB2/...

Sam Loyd, 1860 [fen "8/8/8/8/B6n/7p/6k1/4K3 w - - 0 1"] 1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2. (Ke1, Ba4; Kg2, Nh4, h3) says mate in 54 after 1.Bd7!! h2 2.Bc6 Kg1 3.Bh1!! Kxh1 4.Kf2. This is a ...

Is there an objective measure of the superiority (or otherwise) that the strongest computer programs enjoy over the strongest human players which can be compared across the four main forms of chess, ...

In the below position, I played pawn from g7 to g5, trapping the white bishop. The computer didn't like that at all, and gives white a huge advantage. Instead, it wanted me to just simply develop my ...

The en passant move can be utilised when a pawn is offered the option of being able to capture an adjacent file’s pawn, which has advanced two ranks. However, surely the game of chess would be fine ...

I am 1700-ish player and have too much time to play and I didn't choose a study plan. I searched on the web about it, but no one has clearly defined study plan except chess.com and their study plan is ...

Is this the highest possible number of pinned pieces in a legal position? This is the most that I can find. [FEN "3RnknR/4pnp1/3Q1Q1Q/1q1q1b2/2PNP3/rP1K1Pr1/2NBN3/1q1q1q2 b - - 0 1"] This position ...

I like to study my games after I've played them. Often, I find myself identifying mistakes and moving on to play another game or study something else. I was wondering if it is worthwhile to continue ...

How do you keep chess fun when the only person that wants to play against you beats you all the time? I am struggling to want to keep playing, because I get smashed all the time, and it is not fun ...

Is learning the opening 1. c4 e5 as white helpful in learning the opening 1. e4 c5? How about vice versa? Are the ideas behind the Sicilian Defence as black very similar to the ideas behind the ...

I recently played a game with my friend I wish I had memorized the entire game, but, unfortunately, my memory isn’t too good. In summary, I was in a really tight position, and playing as black. I had ...

From what I’ve found,vaccording ot this website, http://ajedrezsinduda.blogspot.com/2012/ the shortest sequence, starting from move one in a professional chess game, to quadrupled pawns is 18 moves. ...

What is the role of the president of the International Chess Federation? What does he or she do, and what is he or she supposed to do? I have looked at sources such as Wikepedia

I'm looking for a database or a collection of the chess results of all FIDE-rated games (standard time control). The data I'm interested in is: the white player, the black player, the result and the ...

1n3r2/q4pbk/3p2pp/r1pPp3/1pB1P3/1P2BP2/2PQ2PP/3R1RK1 w - - 0 1 I was white in the diagram position in an OTB game I played recently. However, I couldn't find a satisfactory plan. Playing f4 is always ...

Is there a quicker way in Chessbase 15 to create a variation based on the current position than pressing t and re-entering the same move?

I am working on the English version of a Polish website for kids to learn chess. The exact literal translation into English of the Polish original name is 'chess to children'. I know that 'chess for ...

Why is typical move order for QGD among top grandmasters 1. d4 Nf6 2. c4 e6 3. Nf3 d5? Why does not black immediatelly go 1. ..d5? Also, why is QID via 3. ..b6 almost never played?

I'm a hobby chess player with a rating of about 2050 FIDE. I would like to get to 2300 in the long run, but I don't have too much time on my hands, since I'm a busy university student and I also have ...

Normally I'd pester the/a computer chess forum, but I couldn't register yet... On a problem chess forum (MatPlus), the following came up. Both White and Black are on the brink of losing because the ...

Note: My frequent edits are to either upgrade what I have found or to fix an illegal position or a flaw. It is a known record for most number of mutual checks in a row. This made me wonder what the ...

NOTE: I asked a similar question at the ai stackexchange, but didn't get any satisfying answers, so I will post an updated version of the question here, to see if someone with more of a chess ...

I have a Chess.com tactics rating (default blitz setting where time to solve is instrumental in getting points) hovering around 1750 but for some reason I can't get beyond 1550 on the Chess Tempo's ...

EDIT: What’s with all the downvotes people? I accept criticism, but I feel that someone needs to at least a say a little bit of why. What’s the total number of KNN vs. K checkmate positions? I ...

Sometimes the reason a piece should not be captured isn’t the recapture, but rather the threat of a fork because the capturing piece would find itself in just the wrong spot. The 1926 game between ...

I had an idea for a type of stalemate: One side cannot move at all because the king is trapped and all of that side’s pieces and pawns are pinned. This means that that side has no legal moves, and ...

After 1. e4 g6 2. d4 Bg7, by far the most common third move is 3. Nc3. This goes against the principle of not blocking the c pawn with the knight as white, now of course principles can be broken but I ...

I was using Apronus to make an new chess puzzle for Puzzling Stack Exchange, but then it did something odd. Take a look here: [FEN ""] 1. Nh3 f5 2. e4 fxe4 3. d3 exd3 4. Be2 Kf7 5. Qd2 dxe2 6. O-O ...

Is there a specific reason why Stockfish thinks Black's 7th move is an inaccuracy? Reference Game Aronian v Carlsen I'm currently going over The King's Indian in Thirty Classic Games at Chessable ...

I'm trying to form a 1d4 repertoire (exculsively 1e4 player) around the Catalan Opening. What are some lines that Catalan players play against the KID and slav defense(it seems the normal catalan ...

I saw some videos featuring a chess variant called Quantum Chess on YouTube. It looked very interesting to me, so I decided to try to find it online for free, but I couldn’t. Does anyone know of such ...

How do I respond to the Italian Game here? [FEN ""] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d6 (I kind of got lost here) 5. Nxf7 1-0 What should I have done against this as Black? For reference me ...

The 18 queeens chess problem has already been brought up one CSE: Shortest possible game with 18 queens? That is a game where all 16 pawns are promoted to Queens. But nobody who asked this yet: What ...

I was wondering if anyone could identify the name of this chess piece design, or possibly the name of its designer? It's obviously not the standard Staunton set.

I was surfing across Tim Krabbe’s website, as I usually do on occasion, and I found this interesting tidbit: https://timkr.home.xs4all.nl/admag/hajiri.htm A game of 34 moves is mentioned in the last ...

Let's say it's the last day of a tournament and white needs to win a game in order to advance to the next stage or something like that. Unfortunately, he reaches a position where there is no way to ...

e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kf1 Qe7 1) Chess.com computer at Level 10 plays 5. Nxf7. Theory recommends 5. Bxf7. Which line to follow in my game in tournaments? Please ...

I'm looking for a program that can force a lone king into checkmate on a specific square. Are there any programs out there that can do this?

I am creating a program to help chess players analyse the board. There are many common tactics - pins, skewers, discovered attack, overloaded pieces - but I cannot find any code or algorithms to find ...

Are they already so happy about the victory or is this behavior of the cheat program? I don’t believe in what they think over the simplest move.