Forced en passant?

@blueemu Not familiar with FIDE, but I will bite, Black. No illegal move was made. The move put white in check. Whites move must be to first to get out of check which he cannot. Mate. Or is this a trick question perhaps based off of old FIDE rule which has been updated?

You are correct, Black wins.

The simplest way to refute White's outlandish claim is to point out that his statement "Your Pawn never reached the d5 square" is false. Official FIDE rules make it quite clear that a move is completed when you move the piece and take your hand off it. The rules say nothing about "not actually complete until the opponent decides whether he wants to en passent or not".

So Black's Pawn DID reach the d5 square, blocking the check. So it is White, not Black who is mated.

Oh, that's very funny.  The logic above sounds right to me.

I'm assuming this didn't actually ever happen and is merely a good story, right?

Reconsidered based off of an assumption that you would not be posting this, in this thread, unless en passant actually played an active role other than some poor mixed up person.  Thus if Fide sided with white in a current rule book, then the question would be why. The rule of en passant often seen in relation to first position/3move rule(?} may be of relevance. The essence of how I understand it, is the move is not complete until the second person makes their move. This would be conflicting with the thought that a check must be met first Interesting if this is the case.

@blueemu Well logic wins, but as seen above, I m fully capable of coming up with twisted logic

To sum it up: La prise en passant can be forced - like any other moves- if and only if it is forced, meaning that no other moves are possible and making a move is compulsary.  

False. En Passant is forced. Chess.c*m and all of the chess players today say otherwise, because they are not playing proper Chess.

That will be a checkmate because you are forced to move the king but you cant because you are forced to eat en passant

it is forced. if it loses you the game, cry about it but you have to play it. even if this is not really a rule its like an unwritten rule of chess (except in tournaments)

Yes, en passant is forced. Unless you play en passant, you will automatically lose.

@blueemu Thanks for the puzzle!

From the current position:

Bg2+ d5#

d5 blocks the check from the white bishop. It also puts the white king in check. White is required to relieve the check. Taking en passant (c5 x d5) does not relieve the check. Because there are no legal moves available that relieve the check, White is checkmated.

black wins. en passant is not a legal move that blocks black's bishop. must resolve the check first. end of story.

En passant could only be played if doing so resulted in white getting out of check. En passant is still a move taken on turn as there is no in between phase when right to move is exchanged from one player to another.

en passant is forced bro no question about it 
playing en passant > checkmate

Yes, en passant is forced, despite what other sources may tell you.

En passant is and never will be forced but must be done immediately or rights are forfeited. If the pawn only moved one square initially then taking it would be perfectly legal but doesn't have to be done on the next move so any capture of the pawn whether one square or two is voluntary.

Farming achievements, yes it is forced loplol

My brother in christ, the person you are replying to is obviously joking. The idea that en passant is a forced move is a big meme in the online chess space, particularly in and around the anarchychess subreddit.

En passant is required. If you ever have the opportunity to play en passant but don't, Magus Carson will hack your account and nuke your house.