Chess Board
[ECO code C42]
PETROFF DEFENCE
Cochrane Gambit - Side Variation
White's Q4(d4) Pawn removes Black's QBP on QB5(c5), recouping material equality (Kt-for-3Ps).
Black develops his Queen's Knight to QB3(c6) and has (if anything) a slight advantage.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	B-B4 ch B-K3
 2. Kt-KB3 Kt-KB3    7.	BxB ch KxB
 3. KtxP   P-Q3	     8.	P-Q4   K-B2
 4. KtxP!? KxKt	    10.	PxP    Kt-B3
 5. Kt-B3  P-B4
Example ends: Undo or Jump or Clear