King's Gambit Accepted: Rosentreter Gambit

1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4

ECO C37

The King's Gambit Accepted: Rosentreter Gambit is a chess opening line in the King's Gambit Accepted complex, reached after 1.e4 e5 2.f4 exf4 3.Nf3 g5 4.d4.

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

The defining move d4 is chosen by White on move 4.

3 named continuations branch from this position, including the Bird Gambit and the Sörensen Gambit.

Named variations

• King's Gambit Accepted: Rosentreter Gambit, Bird Gambit — ECO C37
• King's Gambit Accepted: Rosentreter Gambit, Sörensen Gambit — ECO C37
• King's Gambit Accepted: Rosentreter Gambit, Testa Variation — ECO C37

Study this line with a grandmaster

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.