Chess Board
[ECO code E39]
NIMZO-INDIAN DEF. - Classical Var.
Pirc Variation

White's Queen under attack on QB3(c3) moves to QKt3(b3), maintaining support for his QBP.
Black's QPawn advances to Q4(d5), with equality.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    7.	P-K3   KtxP
 2. P-QB4  P-K3	     8.	P-QR3  BxKt ch
 3. Kt-QB3 B-Kt5     9.	QxB    P-QKt3
 4. Q-B2   P-B4	    10.	B-K2   B-R3
 5. PxP    0-0	    11.	P-QKt4 QKt-K5
 6. Kt-B3  Kt-R3    12.	Q-Kt3  P-Q4

Example ends: Undo or Jump or Clear