About this opening
King's Gambit Accepted: Double Muzio Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code C37. ECO group C (C00–C99)
covers open games (1.e4 e5) and the French Defence, including the Ruy Lopez, Italian, Scotch and King's Gambit. This particular variation is reached
after 15 half-moves from the
starting position, with the move sequence 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. Bxf7+.
It belongs to the King's Gambit Accepted family. Within that family this is a sub-variation (the Double Muzio Gambit line).
The opening sequence in prose form: 1.e4 e5, 2.f4 exf4, 3.Nf3 g5, 4.Bc4 g4, 5.O-O gxf3, 6.Qxf3 Qf6. From this position 3 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.
Use the interactive board above to walk through the moves position-by-position. Click any move in the navigation to step backwards, or use the keyboard arrow keys. The list of recorded continuations sits directly below the board. For statistical data — how often master-level players have reached this position, White's win-rate, draw frequency, Black's score — see the panel in the right column.
Caissly's coverage of C37 extends through every named sub-variation in this line and across all four locales (English, Spanish, Portuguese, Russian). Where editorial commentary exists for a specific variation it appears as the page body; otherwise the page presents the structural data, board, and statistics as shown here.