Chess Board
[ECO code D65 / 66]
QUEEN'S GAMBIT - Orthodox Defence
Classical Variation
White castled short (ie. K-side), and with his rooks connected he is set to start his Q-side attack.
Black's Q2(d7) Knight to KB1(f8) [best] frees his QB for 12.KR-K1..B-K3 or 12.QR-Kt1..P-QR4. B-Alt.
    White  Black     6. Kt-B3  QKt-Q2!
 1. P-Q4   P-Q4      7.	R-B1   P-B3
 2. P-QB4  P-K3      8.	B-Q3   P-QR3
 3. Kt-QB3 Kt-KB3    9.	PxP    PxP
 4. B-Kt5  B-K2	    10.	Q-B2   R-K1
 5. P-K3   0-0	    11.	0-0    Kt-B1
Example ends: Undo or Jump or Clear