Tree path 9 levels King's Pawn Game › King's Gambit › King's Gambit Accepted › King's Knight's Gambit › King's Gambit Accepted: King's Knight's Gambit › King's Gambit Accepted: King's Knight's Gambit › King's Gambit Accepted: Allgaier Gambit › King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit › King's Gambit Accepted: Allgaier, Horny Defense
- Chess Codex
- King's Pawn Game C20
- King's Gambit C30
- King's Gambit Accepted C33
- King's Knight's Gambit C34
- King's Gambit Accepted: King's Knight's Gambit C34
- King's Gambit Accepted: King's Knight's Gambit C39
- King's Gambit Accepted: Allgaier Gambit C39
- King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit C39
- King's Gambit Accepted: Allgaier, Horny Defense C39 you are here
King's Gambit Accepted: Allgaier, Horny Defense
Overview
King's Gambit Accepted: Allgaier, Horny Defense is a sacrificial opening line filed under ECO C39 in the Open Games group. The defining idea is the early concession of material to seize the initiative and unbalance the position.
The Open Games group covers open games — classical 1.e4 e5 openings where both sides contest the centre directly with pawns.
It is reached after 16 plies of play, with the move sequence 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Qxg4 Nf6 8. Qxf4 Bd6.
In the opening tree, this line branches off from King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit, part of the broader King's Pawn Game system.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- C39
- Group
- Open Games (C)
- Plies
- 16
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
8,279 games · White 32.5% / Draw 2.1% / Black 65.4%
| Moves | Games | W / D / B |
|---|---|---|
| e5 | 4,368 | |
| Bc4+ | 2,418 | |
| Qf3 | 1,059 | |
| Qf2 | 162 | |
| Qf5 | 137 | |
| Qe3 | 123 | |
| d4 | 6 | |
| Be2 | 3 |
Source: Lichess Opening Explorer · cached 2026-09-26 03:10:28
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Submissions are reviewed before publishing.