# Tagged Questions

Questions relating to check

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### Is it ethical to force a draw via perpetual check?

I was playing this game. I was white. We reached a point where my opponent could checkmate me in one move (by moving Rook to C1) but I forced him to a draw by stating that I would constantly check him ...
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### Is it true that at any time only one piece can put king in check

I am writing a simple chess game in which I have to determine the end game conditions. My algorithm requires the piece that is putting the opponent king in check, and checks the following: King ...
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### Discovered check when winning [duplicate]

Is it ok to put your own king in discovered check as you take the other king? (Does the taking of the other king even count as a move, or is the checkmate the last move?) Edit: When thinking about it,...
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### Has anyone ever (beautifully!) escaped check with checkmate? [duplicate]

I was wondering if this beautiful situation has ever happened in a real-life game, especially in a competition. Has anyone ever escaped check with checkmate? That is: has anyone ever, after being ...
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### why is the definition of check not circular

If you want to determine whether a player is in check I think you would: 1.1) determine every legal move of the opposition; 1.2.) determine whether such a move threatens our king (i.e. could 'take' ...
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### Minimum sets of pieces required for checkmate?

What are the minimum sets of pieces required for checkmate when the opponent has no other piece that the king?
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### Chess challenge #8: British knockout championship

The British Knockout championship is taking place now as a warm-up to the London Chess Classic that starts this Friday. There have been very interesting games (especially the ones played by Nicholas ...
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### What happens if a player mistakenly thinks they have been checkmated?

A quote from Wikipedia: The objective is to 'checkmate' the opponent's king by placing it under an inescapable threat of capture. Suppose two players (A and B) play the game using the old ...
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### Is it possible for a white piece to deliver check to the black king, but for black's counter move to result in white getting checkmated?

Is it possible for a white piece to deliver check to the black king, but for black's counter move to result in white getting checkmated? Has this happened in games between top players?
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### Need to say check if we are giving [duplicate]

I want to give check to black and is it necessary to say check to other player?
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### Moving a piece out of the way for check

I was recently told you cant move a piece out of the way of a second piece to allow the second piece to put the other player in check. Example- I have my queen, my castle and their king in a row. I ...
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### It's not check but the next move is checkmate

I have 5 pieces left and my opponent only has his king. It is my opponent's turn and his king is not in check but everywhere his king moves is checkmate. Who wins?
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### Theoretical limit for the number of consecutive checks?

The known record for the longest sequence of consecutive checks in a legal position without promoted pieces, is 37. See http://timkr.home.xs4all.nl/chess/check.html Is there a theoretical limit ...
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Are there 'legitimate' chess positions were say white can force a mate by sacrificing 4 of its pieces in succession one after the other? Can this be done even if white has less material than black?
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### He has two queens. I have one. Is it proper chess etiquette to check him non stop just to avoid losing?

I am losing a game. My only option is to check my opponent non stop. I have no chance to checkmate him. I am only hoping to force a draw. Is this proper chess etiquette?
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### Kings and check

Is it ever legal for a king to put the other king in check, even if after the king is taken by the opposing king, the king doing the taking puts himself into check?
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### Can a rook put an opponent's king in check as a result of castling?

Earlier in my game I had moved my king 1 space to right of its original position. Later in the game, after my opponent castled he placed his rook correctly which resulted in the rook being directly ...
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### When you check someone, do you have to say “check”?

Yesterday I was playing with a friend, I was almost out of time, he checked me, didn't say anything, I didn't see the check as i was in a hurry to make my move. And I was mated. Computers don't let ...
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### Help with discovered checks

I'm new to chess and I've found that while certain tactics come relatively easily to me(double fork), certain others are quite harder. I've been missing out on a lot of opportunities to take ...
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### Can the King be attacked by a pinned piece?

A computer chess game does not permit moving the white King to d2 presumably because it's attacked by the black Knight which I suspect is correct, but the Knight can't actually attack that square ...
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### Is it ethical to tell your opponent how you are going to checkmate him?

I play online chess, 3 days per move and i like to tell my opponents how i'm going to checkmate them, if they will never win, so that i won't waste time continuing the game. And I like to be told if i ...
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### Is the king actually in check if the attacking piece cannot be moved? [duplicate]

Black was in a position to take a white bishop with the king. The white bishop was protected by a white knight. However, if the white knight was moved it would expose the white king to the black ...
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### Can the king capture his attacker?

Can the king get out of check by capturing his attacker? For example, if the queen comes right in front of the king, can the king capture the queen, or must another piece capture the queen?
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### Is it possible to castle while checkmate?

I am new to chess gaming; please answer this for me: Is it possible to castle while checkmate? Thanks in advance.
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### Can a piece pinned to my king put the opponent's king in check?

I was playing a game with a friend online. A situation came up where he put me in check with his bishop, and I moved my rook to block it. His king was on the g file and my rook was on g2. The website ...
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### Yusupov - Spiridonov training question

One of the lessons on the Chess.com site uses the Yusupov - Spiridonov match, with Black to play after 1.Nf6+: [fen "5rk1/pb3p1p/1pr5/8/2P1p1N1/qPQ1P3/4B1PP/3R2K1 w - - 0 1"] 1.Nf6+ The "correct" ...