[ECO code A17]
ENGLISH OPG. (Anglo-Ind. Def.) to ORTHODOX QGD
Black transposes into the "Orthodox Declined" defence of the Queen's Gambit by advancing his own Queen's Pawn to the centre, freeing his QB for a potential B-KKt5 pin and contesting Black's QB4(c5). B-Alt.
White Black Transp.White Black 1. P-QB4 Kt-KB3 (1. P-Q4 P-Q4 ) 2. Kt-QB3 P-K3 (2. P-QB4 P-K3 ) 3. P-Q4 P-Q4 (3. Kt-QB3 Kt-KB3)
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