Chess Board
[ECO code A47]
QUEEN'S INDIAN DEFENCE - Colle System
White's QB3(c3) Pawn completes an exchange on Q4(d4), removing Black's newly doubled QP.
Black develops his Queen's Knight to QB3(c6) to deter P-K5, but 11.P-QR3..Kt-Q2, 12.Kt-Kt3..P-QR4, 13.P-QR4..Kt-Kt5, 14.B-QKt5 gives White advantage.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	P-B3   B-Kt2
 2. Kt-KB3 P-QKt3    7.	P-K4   P-Q3
 3. P-K3   B-Kt2     8.	0-0    0-0
 4. QKt-Q2 P-Kt3     9.	Q-K2   PxP
 5. B-Q3   P-B4	    10.	PxP    Kt-B3
Example ends: Undo or Jump or Clear