1. White Plays exd6#
Black just played ...d7-d5. Is exd6 en passant checkmate?
Yes. En passant can deliver checkmate. The capture must first be legal, then the final position must put the enemy king in check with no legal escape.
Legal en passant: the enemy pawn just moved two squares and your pawn can capture it immediately.
Check: after the capture, the enemy king is attacked by the pawn or by an opened line.
Checkmate: the enemy has no legal reply to that check.
En passant is unusual because the capturing pawn does not land on the square of the captured pawn. The capturing pawn moves diagonally to the skipped square, while the pawn that moved two squares is removed from the adjacent square.
That can produce check in two ways. The pawn may land on a square where it attacks the king, or removing the captured pawn may open a line for a rook, bishop, or queen. If the opponent has no legal answer, the move is checkmate.
The important point is that checkmate does not make an illegal en passant move legal. Timing, pawn placement, and king safety must all be correct first.
Choose whether the shown en passant idea is checkmate. Show reveals the capture or the reason it falls short.
1. White Plays exd6#
Black just played ...d7-d5. Is exd6 en passant checkmate?
2. Check, But Not Mate
Black just played ...d7-d5. Is exd6 en passant checkmate?
3. Legal, But Not Check
Black just played ...d7-d5, but the king is far away. Is exd6 checkmate?
4. Illegal by King Safety
Black just played ...d7-d5, but the e5 pawn shields White's king from a rook.
5. Black Plays exd3#
White just played d2-d4. Is Black's exd3 en passant checkmate?
6. Normal Capture, Not E.P.
Black just played ...d7-d6. White can play exd6, but is it en passant checkmate?
| After en passant | Result | Why |
|---|---|---|
| The enemy king is attacked and has no legal reply. | Checkmate. | En passant can be the mating move. |
| The enemy king is attacked but can move or capture. | Check only. | Checkmate requires no legal escape. |
| The capture is legal but the king is not attacked. | Not checkmate. | A move cannot be mate without check. |
| The capture exposes your own king or the timing is wrong. | Illegal. | An illegal move cannot be checkmate. |
Yes. En passant can be a checkmate move if the capture is legal, gives check, and leaves the opponent with no legal move to escape check.
Yes. En passant can give check either because the capturing pawn attacks the king from its landing square, or because removing the captured pawn opens a line from another piece.
Yes. Many en passant checks are only checks. It is checkmate only if the king cannot move, the checking pawn cannot be captured, and no legal reply removes the check.
Yes. Black can also deliver checkmate by en passant if a white pawn has just moved two squares and Black's en passant capture gives mate.
Yes. En passant is often just a pawn capture. It only gives check if the final position attacks the enemy king.
No. A move must be legal before it can be checkmate. If en passant exposes your own king, or the timing is wrong, it is not a legal move.
Yes. Because en passant removes a pawn from an adjacent square, it can open a rook, bishop, or queen line and create a discovered check or discovered mate.
Yes, in rare positions en passant can create a double check: the capturing pawn gives one check while removing the captured pawn opens another line.
It is written like the pawn capture, often with e.p. added for clarity, and with a checkmate symbol. For example, exd6 e.p.# or simply exd6# depending on notation style.
Yes, it is legal and can occur in real games, but it is rare because the exact timing, pawn placement, and mating net all have to align.
No. En passant requires the enemy pawn to have just moved two squares from its starting square. A one-square pawn move may allow a normal capture, but not en passant.
No. En passant is only available as the immediate reply to the two-square pawn move. If another move has happened, the move is no longer legal.
Only if that capture is legal and the destination square is not protected. If the king can legally capture the checking pawn, then the en passant move was check but not checkmate.
Only if moving the pawn does not leave its own king in check. If the pawn is pinned in a way that exposes the king, the en passant capture is illegal.
First confirm en passant is legal by timing and king safety. Then make the capture and check whether the enemy king is in check and has no legal king move, capture, block, or other reply.
Next study en passant timing, discovered check, double check, pinned-pawn legality, and basic checkmate patterns.
Rare mating rules become easier when the basic checkmate patterns are automatic.
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