Chess Board
[ECO code A52]
BUDAPEST DEFENCE - Normal Var.
Rubinstein Variation - Keininger Trap

White's QR3(a3) pawn took Black's QKt4(b4) bishop for 8..KtxP (ie. gains B-for-P), unaware of the danger.
Black's K4(e5) Knight to Q6(d3) wins with a smothered mate (Keininger-Godai, Vienna 1925).
    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. PxB?? Kt-Q6 mate
 4. B-B4   Kt-QB3
 5. Kt-KB3 B-Kt5 ch  Alt. "Mate 0nly" track

Checkmate: Undo or Jump or Mates or Clear