Chess Board
[ECO code C42]
PETROFF DEFENCE - Cochrane Gambit
Trap Variation
White's Queen under attack on KR5(h5) to K5(e5) gives further check, for 8.QxKt (unstoppable).
Black's King moves from KB3(f6) to KKt2(g7), and White will recoup his piece with a pawn gain and strong position, for a winning advantage.
    White  Black	White  Black
 1. P-K4   P-K4	     5.	P-Q4   KtxP??
 2. Kt-KB3 Kt-KB3    6.	Q-R5!ch P-Kt3
 3. KtxP   P-Q3	     7.	Q-K5 ch K-Kt2
 4. KtxP!? KxKt
Example ends: Undo or Jump or Clear