A40 Polish Defence

A40 Queen Pawn Game: Englund Gambit

A40 Queen Pawn Game: Queen Fianchetto

A40 Queen Pawn Opening

A40 Rossolimo Variation

A40 St. George Defence: St. Georgs Gambit

A40 Ware Defence: Snaglepuss Defence

A40 Zilbermints Gambit

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