Chess Board
[ECO code A17]
ENGLISH OPENING
Anglo-Indian Defence
White's endangered QR4(a4) Queen takes Black's doubled QBP on QB4(c4), recouping the earlier P.
Black advances his remaining QBPawn to QB4(c5) to deter an immediate P-Q4, and if BxP..B-B3!
    White  Black	White  Black
 1. P-QB4  Kt-KB3    6.	QxBP   P-B4
 2. Kt-QB3 P-K3
 3. P-KKt3 P-Q4
 4. B-Kt2  PxP
 5. Q-R4 ch B-Q2
Example ends: Undo or Jump or Clear