Chess Board
[ECO code D52]
QGD. - CAMBRIDGE SPRINGS DEF.
Yugoslav Variation
White's K3(e3) Pawn exchanges on Q4(d4).
Black pushes his KBPawn out to KB3(f6), prevents Kt-K5 and attacks White's dark B, with equality.
    White  Black	White  Black
 1. P-Q4   P-Q4	     7.	PxP    KtxP
 2. P-QB4  P-K3	     8.	Q-Q2   B-Kt5
 3. Kt-QB3 Kt-KB3    9.	R-B1   0-0
 4. B-Kt5  QKt-Q2!  10.	B-Q3   P-K4
 5. P-K3   P-B3	    11.	0-0    PxP
 6. Kt-B3  Q-R4	    12.	PxP    P-B3
Example ends: Undo or Jump or Clear