Chess Board
[ECO code D42]
QUEEN'S GAMBIT
Semi-Tarrasch Defence
White's KPawn exchanges [9.BPxP?..B-Kt5+ch], removing Black's QP on Q4(d4).
Black develops his King's Bishop to K2(e7). Often continues 10.0-0..0-0, 11.B-Q3..P-QKt3 with equality.
    White  Black	White  Black
 1. P-Q4   P-Q4	     6.	P-K3   Kt-QB3
 2. P-QB4  P-K3	     7.	B-B4   KtxKt
 3. Kt-QB3 Kt-KB3    8.	PxKt   PxP
 4. Kt-B3  P-B4	     9.	KPxP   B-K2
 5. BPxP   KtxP
Example ends: Undo or Jump or Clear