Chess Board
[ECO code B23]
SICILIAN DEFENCE - Close Var.
Side Variation - Smothered Mate

Black made a bad error developing QKt to Q2(d7).
White's Knight on K4(e4) moves to Q6(d6) and pins Black's KP for a smothered mate. Actual play in a Keres-Arlamowski, 1970 tournament match!
    White  Black	White  Black
 1. P-K4   P-QB4     6.	Kt-Q6 mate
 2. Kt-QB3 P-Q4?!
 3. Kt-KB3 PxP
 4. KtxP   Kt-KB3
 5. Q-K2!? QKt-Q2??

Checkmate: Undo or Jump or Mates or Clear