About this opening
Four Knights Game: Italian Variation, Noa Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code C47. 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 9 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+.
It belongs to the Four Knights Game family.
Within that family this is a level-2 branch (the Italian Variation → Noa Gambit line). The immediate parent line is Four Knights Game: Italian Variation, transitioned via 5.Bxf7+.
The opening sequence in prose form: 1.e4 e5, 2.Nf3 Nc6, 3.Bc4 Nf6, 4.Nc3 Nxe4, 5.Bxf7+. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.