What is considered a "move" in chess?

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zembrianator

For example there's a the Fool's mate aka the 2 move checkmate, So in this case On black's 2nd move, the game is over.  But between white and black there were 4 moves?

My question is if there is a standardized way to say what a move is.

If you say a chess game lasted 10 moves, is it assumed each player did 10 moves (so 20 total) or each player played 5 moves (to total 10)?

Mainline_Novelty

If a game lasts 10 moves, both White and Black have played 10 moves. A "move" is completed once both White and Black have played one turn. If only White plays, that can be called a "ply" or a "half-move", so for example, a ten move game would be 20 ply.

simonschtweezers

a move means that both players played a turn. 

zembrianator

Ah cool cool now it makes sense. Thanks for clearing that up for me!

xxvalakixx

But let's suppose that there is a mate in 5. In that case, the player who gives the mate playes 5 moves, but the mated player played only 4 moves. (Because he did not have the chance to play another move)
I would call move that one of the players played a turn. But maybe move means both moving with a piece, and a finished turn by both players as well. It is not important BTW.

TheMasterBuilder
xxvalakixx wrote:

But let's suppose that there is a mate in 5. In that case, the player who gives the mate playes 5 moves, but the mated player played only 4 moves. (Because he did not have the chance to play another move)
I would call move that one of the players played a turn. But maybe move means both moving with a piece, and a finished turn by both players as well. It is not important BTW.

Are you sure checkmate on a new move is not considered an full move? After all, black has no response.

simonschtweezers

checkmate is a full move