Chess Board
[ECO code C65]
RUY LOPEZ - Berlin Defence
Fishing Pole Var. - Trap Variation
White's King in check is forced to KR1(h1).
Black's KB2(f2) Queen makes a sacrificial move to KKt1(g1) with further check, and neither 10.KtxQ nor 10.RxQ can stop a smothered 10..Kt-B7++mate.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	P-Q4   KtxP
 2. Kt-KB3 Kt-QB3    7.	KtxKt  Q-R5!
 3. B-Kt5  Kt-B3     8.	Kt-B3??  QxP ch
 4. 0-0	   Kt-Kt5?! 9. K-R1 fcd Q-Kt1!!
 5. R-K1?! B-B4
Example ends: Undo or Jump or Clear