Chess Board
[ECO code C55]
MODERN BISHOP'S OPG - Two Kts. Def.
Side Variation
White's K4(e4) Pawn removes Black's QP on Q5(d4) and attacks his QKt, inviting an exchange.
Black's K-side Knight duly exchanges, removing the newly doubled QP, but 7.Q-B3 or 7.KtxBP..KxKt, 8.Q-B3+ch will give White the advantage.
    White  Black	White  Black
 1. P-K4   P-K4	     5.	Kt-Kt5 P-Q4
 2. Kt-KB3 Kt-QB3    6.	PxP    KtxP
 3. B-B4   Kt-B3
 4. P-Q3   P-Q3?!
Example ends: Undo or Jump or Clear