King's Gambit Accepted: Allgaier, Schlechter Defense
1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 Nf6
The King's Gambit Accepted: Allgaier, Schlechter Defense is a chess opening classified as ECO C39, reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 Nf6. It is a line of the King's Gambit Accepted. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 11 times by this move order. White won 55%, 9% were drawn and Black won 36%. The most popular continuation is 6. Bc4 (36% of games).
Engine evaluation: −0.34 (Stockfish, depth 29; best line 6. e5 d5 7. exf6 Bd6 8. Bd3 Qxf6)
- ECO
- C39
- Moves
- 10 plies
- FEN
rnbqkb1r/pppp1p1p/5n2/6N1/4PppP/8/PPPP2P1/RNBQKB1R w KQkq - 2 6- PGN
1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 Nf6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 1 | |
| 1500-1999 | 6 | |
| 2000+ | 4 | |
| All | 11 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6. Bc4 | 4 (36%) | |
| 6. d4 | 3 (27%) | |
| 6. e5 | 2 (18%) | |
| 6. Nc3 | 1 (9%) | |
| 6. Nxf7 | 1 (9%) |
Highest-rated Lichess games
- elo_fide_1529 (2164) – pakravan (2215) 1/2-1/2 · 2026-09-01 · 180 + 2s
- elo_fide_1529 (2144) – New_Mission (2146) 1-0 · 2026-09-01 · 180 + 2s
- focusalot (2147) – Vitalsky (2015) 1-0 · 2026-09-06 · 600 + 0s
Comes from
King's Gambit Accepted: Allgaier Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5
More King's Gambit Accepted lines (all)
- King's Gambit Accepted C33
- King's Gambit Accepted: Basman Gambit C33
- King's Gambit Accepted: Bishop's Gambit C33
- King's Gambit Accepted: Bishop's Gambit, Anderssen Defense C33
- King's Gambit Accepted: Bishop's Gambit, Anderssen Variation C33
- King's Gambit Accepted: Bishop's Gambit, Bledow Countergambit C33
- King's Gambit Accepted: Bishop's Gambit, Bledow Variation C33
- King's Gambit Accepted: Bishop's Gambit, Boden Variation C33
- King's Gambit Accepted: Bishop's Gambit, Bogoljubow Defense C33
- King's Gambit Accepted: Bishop's Gambit, Bogoljubow Variation C33
- King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius Variation C33
- King's Gambit Accepted: Bishop's Gambit, Bryan Countergambit C33
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.