King's Gambit Accepted: Allgaier, Cook Variation

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+

The King's Gambit Accepted: Allgaier, Cook Variation is a chess opening classified as ECO C39, reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+. 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: −2.08 (Stockfish, depth 29; best line 10… Nf6 11. O-O Be7 12. Nd2 Nc6 13. c3)

ECO

C39

Moves

19 plies

FEN

rnbq1bnr/ppp3k1/7p/4B3/2BPp1pP/8/PPP3P1/RN1QK2R b KQ - 3 10

PGN

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+

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.