King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7

King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 87654321abcdefgh

The King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit 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. It is a line of the King's Gambit Accepted. Black is to move. 4 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 306 times by this move order. White won 50%, 2% were drawn and Black won 48%. The most popular continuation is 6… Kxf7 (100% of games).

Engine evaluation: −1.30 (Stockfish, depth 34; best line 6… Kxf7 7. Nc3 d5 8. Nxd5 Nf6 9. Nxf4)

ECO
C39
Moves
11 plies
FEN
rnbqkbnr/pppp1N2/7p/8/4PppP/8/PPPP2P1/RNBQKB1R b KQkq - 0 6
PGN
1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14993253%47%
1500-199921249%50%
2000+6253%45%
All30650%48%

Most played moves

MoveGamesWhite / draw / Black
6… Kxf7305 (100%)50%49%
6… Bg71 (0%)100%

Master games

1 over-the-board game is classified under this line (White 0%, draw 0%, Black 100%). The strongest:

Search all games of the King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit and its sub-variations

Highest-rated Lichess games

Comes from

King's Gambit Accepted: Allgaier Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5

Continuations

More King's Gambit Accepted lines (all)

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.