Under the standard rules of chess, a player may not make any move that places or leaves their king in check. A player may move the king, capture the threatening piece, or block the check with another piece. In informal games, it is common to announce “check” when making a move that puts the opponent’s king in check.
Why are there illegal moves in chess?
Any move which is made by mistake and do not follow the rules of chess is called illegal move. Generally when a player moves his KING on a square which is already attacked by opponent is called illegal move.
What is an illegal move for a king?
A piece unable to move because it would place its own king in check (it is pinned against its own king) may still deliver check to the opposing player. It is illegal to make a move that places or leaves one’s king in check. The possible ways to get out of check are: Move the king to a square where it is not in check.
What is not allowed in chess?
Any play where a piece is moved with an inappropriate movement (for example, moving a Knight as if it were a Bishop). Moving a piece to a square occupied by another piece of the same color. Moving a piece to a square occupied by an opponent’s piece and not removing the board’s captured piece.
Is it illegal to take an opponent’s King in Blitz?
This is actually very common in blitz games. Taking the opponent’s king is considered to be a claim of an illegal move. You can see my answer to this question for some more information. Since taking the opponent’s king is a claim instead of a move, it immediately ends the game. In blitz games, the player “capturing” the king wins.
What happens if you make an illegal move in a chess game?
In competition blitz games, making an illegal move and then pressing the clock forfeits the game if the opponent claims the illegal move as long as he does not make a new move, as a new move would void the previous illegal move according to FIDE blitz rules.
Is there a time penalty for blitz chess?
In blitz, the time penalty is one minute instead of two. According to Takis Nikolopoulos, chairman of the FIDE Arbiters Commission, the new version of paragraph A 4.2 is an attempt to make the rules fairer, and easier to understand. However, it might lead to more complications than before.
Why did FIDE change the rules for blitz chess?
The reason for this additional change “in between periods” was the desire to equalize the rules for classical chess on the one hand, and rapid and blitz on the other, with regard to the penalty for making an illegal move.
