About this opening
Italian Game: Two Knights Defense, Fritz Variation is an opening in the Encyclopedia of Chess Openings,
classified under code C57. 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 10 half-moves from the
starting position, with the move sequence 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4.
It belongs to the Italian Game family.
Within that family this is a level-2 branch (the Two Knights Defense → Fritz Variation line). The immediate parent line is Italian Game: Two Knights Defense, transitioned via 5…Nd4.
The opening sequence in prose form: 1.e4 e5, 2.Nf3 Nc6, 3.Bc4 Nf6, 4.Ng5 d5, 5.exd5 Nd4. 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.