King's Gambit Accepted: Bishop's Gambit, First Jaenisch Variation

1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Nf6

ECO C33

The King's Gambit Accepted: Bishop's Gambit, First Jaenisch Variation is a chess opening line in the King's Gambit Accepted complex, reached after 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1 Nf6.

It is catalogued under code C33 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nf6 is chosen by Black on move 4.

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.