Chess Board
[ECO code C72]
RUY LOPEZ - Steinitz Def. Deferred
Side Variation
White's KB3(f3) knight took Black's Kt on Q4(d4) for 10..PxKt, 11.QxP. Dubious but not a Noah's Ark Trap as result would be B-for-B.
Black's KP takes the Kt, recouping the lost piece.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	P-KR3  P-KR4!?
 2. Kt-KB3 Kt-QB3    7.	P-Q4   P-QKt4
 3. B-Kt5  P-QR3     8.	B-Kt3  KtxP
 4. B-R4   P-Q3	     9.	PxB    PxP
 5. 0-0	   B-Kt5    10.	KtxKt?! PxKt
Example ends: Undo or Jump or Clear