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ECO C46

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.

5 named opening lines are classified under ECO code C46.

Three Knights Opening — 1.e4 e5 2.Nf3 Nc6 3.Nc3
Three Knights Opening: Schlechter Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 Bb4 4.Nd5 Nf6
Three Knights Opening: Steinitz Defense — 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6
Three Knights Opening: Steinitz-Rosenthal Variation — 1.e4 e5 2.Nf3 Nc6 3.Nc3 g6 4.d4 exd4 5.Nd5
Three Knights Opening: Winawer Defense — 1.e4 e5 2.Nf3 Nc6 3.Nc3 f5