Chess Board
[ECO code E02]
CATALAN OPENING
Open Variation
White's QB4(c4) Queen under QKt attack moves to Q3(d3) maintaining a QP support.
Black advances his QBPawn to QB4(c5) challenging White's QP. Expect 9.0-0..Kt-B3, 10.PxP..BxP equality.
    White   Black	White  Black
 1. P-Q4    Kt-KB3   6.	QxBP   Kt-B3
 2. P-QB4   P-K3     7.	Kt-B3  Kt-QR4
 3. P-KKt3  P-Q4     8.	Q-Q3   P-B4
 4. B-Kt2   PxP
 5. Q-R4 ch B-Q2
Example ends: Undo or Jump or Clear