Chess Board
[ECO code E53]
NIMZO-INDIAN DEF. - Rubinstein System
The Averbakh Variation
White castled, unpinned his QKt and brought his king's rook into play nearer the centre.
Black's QKt to Q2(d7) is rare, as 8.BPxP..KPxP, 9.P-QR3..B-R4, 10.P-QKt4! can give White adv. B-Alt.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	B-Q3   P-B4
 2. P-QB4  P-K3	     7.	0-0    QKt-Q2
 3. Kt-QB3 B-Kt5
 4. P-K3   0-0
 5. Kt-B3  P-Q4
Example ends: Undo or Jump or Clear