King's Gambit Accepted: Australian Gambit

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. h4

The King's Gambit Accepted: Australian Gambit is a chess opening classified as ECO C37, reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. h4. It is a line of the King's Gambit Accepted. Black is to move.

This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.

Engine evaluation: −2.52 (Stockfish, depth 26; best line 5… gxf3 6. Qxf3 Nc6 7. Qxf4 Qf6 8. Qxf6)

ECO

C37

Moves

9 plies

FEN

rnbqkbnr/pppp1p1p/8/8/2B1PppP/5N2/PPPP2P1/RNBQK2R b KQkq h3 0 5

PGN

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. h4

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.