Chess Board
[ECO code A46]
COLLE SYSTEM
White's Q3(d3) Bishop completes a minor piece exchange, removing Black's knight on K4(e4).
Black develops his Queen to QKt3(b6) to threaten White's isolated QPawn, and the game is equal.
    White  Black     6. B-Q3   B-Q3
 1. P-Q4   P-Q4	     7.	0-0    0-0
 2. Kt-KB3 Kt-KB3    8.	P-K4   BPxP
 3. P-K3   P-B4	     9.	BPxP   PxP
 4. QKt-Q2 QKt-Q2   10.	QKtxP  KtxKt
 5. P-B3   P-K3	    11.	BxKt   Q-Kt3
Example ends: Undo or Jump or Clear