Chess Board
[ECO code E01]
CATALAN OPENING
Queen's Catalan Variation
Black's light Q2(d7) bishop moved on to QB3(c6), resumed QKtP support and threatened 7..BxR.
White's KBPawn to KB3(f3) shields his KR. Slight advantage (Tinsley-Schlechter, Hastings 1895).
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	QxBP   B-B3
 2. P-QB4  P-K3	     7.	P-B3
 3. P-KKt3 P-Q4	
 4. Kt-QB3 PxP
 5. Q-R4 ch B-Q2
Example ends: Undo or Jump or Clear