Chess Board
[ECO code B57]
SICILIAN DEFENCE - Sozin Attack
Magnus Smith Trap

Black's QP took White's KP for a Q-swap, in error.
White's QB4(c4) Bishop captures Black's KBP on KB7(f7) with a sacrificial check and Black must take it with his king (9..KxB) which will leave Black's queen undefended against 10.QxQ.
    White  Black     5.	Kt-QB3 Kt-B3
 1. P-K4   P-QB4     6.	B-QB4  P-KKt3?!
 2. Kt-KB3 P-Q3	     7.	KtxKt  PxKt
 3. P-Q4   PxP	     8.	P-K5!  PxP??
 4. KtxP   Kt-KB3    9.	BxP ch

Example ends: Undo or Jump or Clear