ECO C77

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.

8 named opening lines are classified under ECO code C77.

• Ruy Lopez: Morphy Defense, Anderssen Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3
• Ruy Lopez: Morphy Defense, Bayreuth Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Bxc6
• Ruy Lopez: Morphy Defense, Duras Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 d6 6.c4
• Ruy Lopez: Morphy Defense, Jaffe Gambit — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.c3
• Ruy Lopez: Morphy Defense, Mackenzie Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4
• Ruy Lopez: Morphy Defense, Tarrasch Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Nc3
• Ruy Lopez: Morphy Defense, Wormald Attack — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2
• Ruy Lopez: Wormald Attack, Grünfeld Variation — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.Qe2 b5 6.Bb3 Be7 7.d4 d6 8.c3 Bg4