Chess Board
[ECO code E54]
NIMZO-INDIAN DEF. - Rubinstein Sys.
The Olaffson Variation
White moves his KB1(f1) Rook to Q1(d1) threatening to attack Black's queen by 11.PxP.
Black develops his Queen to QB1(c8), as played in Najdorf-F.Olaffson, Hollywood, 1963.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	B-Q3   P-B4
 2. P-QB4  P-K3	     7.	0-0    PxBP
 3. Kt-QB3 B-Kt5     8.	BxP    P-QKt3
 4. P-K3   0-0	     9.	Q-K2   B-Kt2
 5. Kt-B3  P-Q4	    10.	R-Q1   Q-B1
Example ends: Undo or Jump or Clear