[ECO code B01]
Marshall Gambit - The Portuguese Variation
Black ignores 3..KtxP and develops his Queen's Bishop to KKt5(g4) deliberately to confuse matters! Line continues 4.P-KB3..B-B4, 5.P-QB4..P-K3. B-Alt.
White Black 1. P-K4 P-Q4 2. PxP Kt-KB3 3. P-Q4 B-Kt5!
Example ends: Undo or Jump or Clear