Chess Board
[ECO code D61]
QUEEN'S GAMBIT - Orthodox Defence
Rubinstein Variation
White's QPawn removes Black's QBP on QB5(c5).
Black's Knight on Q2(d7) removes White's QBP, for 13.B-K2..B-K3, 14.0-0..QR-B1 equality.
    White  Black	White  Black
 1. P-Q4   P-Q4	     7.	Q-B2   P-KR3
 2. P-QB4  P-K3	     8.	B-R4   P-B4
 3. Kt-QB3 Kt-KB3    9.	BPxP   KtxP
 4. B-Kt5  B-K2	    10.	BxB    QxB
 5. P-K3   0-0	    11.	KtxKt  PxKt
 6. Kt-B3  QKt-Q2!  12.	PxP    KtxP
Example ends: Undo or Jump or Clear