Chess Board
[ECO code D06]
QUEEN'S GAMBIT - Irregular Defences
Rubinstein Defence
White's centre Knight under attack on K4(e4) moves out to QKt3(b3).
Black develops his Queen's Knight to QB3(c6), set for 10.B-Kt2..B-Q2, 11.0-0..B-K2 with equality.
    White  Black	White  Black
 1. P-Q4   P-Q4      6.	Kt-B3  QxQ
 2. P-QB4  P-QB4     7.	KtxQ   P-QR3
 3. BPxP   Kt-KB3!   8.	P-KKt3 P-K4
 4. Kt-KB3 PxP	     9.	Kt-Kt3 Kt-B3
 5. QxP    QxP
Example ends: Undo or Jump or Clear