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Rules of Chess: Pawns FAQ. Rules of promotion and movement of pawns explained.[All Comments] [Add Comment or Rating]

Robert Walker wrote on Mon, Aug 12, 2002 03:07 PM UTC:

I have a question regarding en passant. I have heard that each player may only capture en passant once per game. This would seem to be supported by the wording the <a href='http://www.research.ibm.com/deepblue/reference/html/i.2.e.html' target='_NEW'>chess glossary</a> at IBM's site on the Kasparov/Deep Blue match: "En passant: (In passing) A special pawn capture which can only be effected once by each side in a game...." But I had always heard before that you may capture en passant, even if you have already done so before in the game (with different pawns, of course). I understand that once an en passant move becomes available, you must either do it that turn or pass up the opportunity to capture that pawn via en passant, but if you do capture, can you still capture en passant later, if the same situation (with different pawns) were to come up again? What if you don't capture?