C25

Hamppe-Allgaier-Thorold Gambit

1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 h6 7. Nxf7 Kxf7 8. d4

Opening moves: 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 h6 7. Nxf7 Kxf7 8. d4. This position is classified under ECO code C25.

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About This Opening

ECO Code

C25

Category Volume C

Position (FEN)

r1bq1bnr/pppp1k2/2n4p/8/3PPppP/2N5/PPP3P1/R1BQKB1R b KQ - 0 8

Lichess Stats

Across 7 rapid and classical games on Lichess (1600+ rated), White wins 86%, Black wins 14%, and 0% end in a draw from this position. The most common continuation is h5, played in 57% of games, followed by Bb4 and d6.

Observation period: 2026-07.

Small sample: 7 games. These percentages are descriptive and are too uncertain to compare opening strength.

86%

14%

White wins 86% Draws 0% Black wins 14%

7 rapid and classical games on Lichess (1600+)

Top Continuations

Bb4

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