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ECO C55

ECO C00–C99 — Open Games and the French Defense: 1.e4 e6 and 1.e4 e5, from the Italian and Ruy Lopez to the King's Gambit.

2 named opening lines are classified under ECO code C55.

Italian Game: Two Knights Defense — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6
Italian Game: Two Knights Defense, Modern Bishop's Opening — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3