Chess Board
[ECO code A52]
BUDAPEST DEFENCE - Normal Var.
Rubinstein Variation - Smothered Mate

White's QR3(a3) pawn took the QKt4(b4) bishop for 9..QxP (ie. gains B-for-P), unaware of the danger.
Black's Knight on K4(e5) moves to Q6(d3) and wins with a variation of smothered mate.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	QKt-Q2 Q-K2
 2. P-QB4  P-K4	     7.	P-QR3  KKtxKP
 3. PxP    Kt-Kt5    8.	KtxKt  KtxKt
 4. B-B4   Kt-QB3   9. PxB?? Kt-Q6 mate
 5. Kt-KB3 B-Kt5 ch

Checkmate: Undo or Jump or Mates or Clear