King's Gambit Accepted: Muzio Gambit, Wild Muzio Gambit
1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O
The King's Gambit Accepted: Muzio Gambit, Wild Muzio Gambit is a chess opening classified as ECO C37, reached after 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O. It is a line of the King's Gambit Accepted. Black is to move. 5 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 962 times by this move order. White won 55%, 1% were drawn and Black won 44%. The most popular continuation is 5… gxf3 (95% of games).
Engine evaluation: −0.96 (Stockfish, depth 60; best line 5… gxf3 6. Qxf3 Qf6 7. d3 Nc6 8. Bxf4)
- ECO
- C37
- Moves
- 9 plies
- FEN
rnbqkbnr/pppp1p1p/8/8/2B1Ppp1/5N2/PPPP2PP/RNBQ1RK1 b kq - 1 5- PGN
1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 61 | |
| 1500-1999 | 753 | |
| 2000+ | 148 | |
| All | 962 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5… gxf3 | 913 (95%) | |
| 5… d6 | 11 (1%) | |
| 5… Bc5+ | 8 (1%) | |
| 5… g3 | 7 (1%) | |
| 5… d5 Muzio Gambit, Brentano Defense | 5 (1%) | |
| 5… Nf6 | 4 (0%) | |
| 5… Qf6 | 3 (0%) | |
| 5… Qh4 | 3 (0%) |
Master games
6 over-the-board games are classified under this line (White 67%, draw 0%, Black 33%). The strongest:
- GM Klementy Sychev (2572) – CM Robert Piliposyan (2199) 1-0 · Titled Tuesday 20th Oct · 2020-10-20
- FM Philipp Lerch (2305) – FM Sebastian Marin Posada (2269) 1-0 · Titled Tue 21st Feb Late · 2023-02-21
- CM Andres Gamez Matamoros (2150) – Tiago Carvalho Mangialardo (1979) 1-0 · 1st 3-0 Thu 12th Feb 2026 · 2026-02-12
- Elena Panakhova (1837) – Sergei Grif (2124) 1-0 · Anapa Blitz 2023 · 2023-10-06
- Olaf Bartoszewski-Reiski (1574) – Olaf Bandsom (1812) 0-1 · Lichtenberger Sommer 2016 · 2016-08-21
Highest-rated Lichess games
- nuitet989893 (2538) – allblacksGOAT (2575) 1-0 · 2026-09-05 · 180 + 0s
- Alex_fox (2400) – Prorook (2468) 1-0 · 2026-09-05 · 180 + 0s
- Drevniw_manok (2327) – Ray_Peat_Bioenergy (2331) 0-1 · 2026-09-02 · 180 + 2s
Comes from
King's Gambit Accepted: King's Knight's Gambit (3… g5 4. Bc4) 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4
Continuations
- King's Gambit Accepted: Muzio Gambit, Brentano Defense C37 · 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O d5
- King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack C37 · 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7
- King's Gambit Accepted: Muzio Gambit Accepted, From's Defense C37 · 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qe7
- King's Gambit Accepted: Muzio Gambit, Holloway Defense C37 · 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Nc6
- King's Gambit Accepted: Muzio Gambit, Sarratt Defense C37 · 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6
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.