King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense

1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Qf6 7.e5 Qxe5 8.d3 Bh6 9.Nc3 Ne7 10.Bd2 Nbc6 11.Rae1

ECO C37

The King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense is a chess opening line in the King's Gambit Accepted complex, reached after 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.Bc4 g4 5.O-O gxf3 6.Qxf3 Qf6 7.e5 Qxe5 8.d3 Bh6 9.Nc3 Ne7 10.Bd2 Nbc6 11.Rae1.

It is catalogued under code C37 in the Encyclopaedia of Chess Openings (ECO).

The defining move Rae1 is chosen by White on move 11.

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This position is covered in the King's Gambit course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.