ECO C13
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.
11 named opening lines are classified under ECO code C13.
- French Defense: Alekhine-Chatard Attack — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4
- French Defense: Alekhine-Chatard Attack, Albin-Chatard Gambit — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 Bxg5 7.hxg5 Qxg5
- French Defense: Alekhine-Chatard Attack, Breyer Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 c5
- French Defense: Alekhine-Chatard Attack, Maróczy Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 a6
- French Defense: Alekhine-Chatard Attack, Spielmann Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 O-O
- French Defense: Alekhine-Chatard Attack, Teichmann Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.h4 f6
- French Defense: Classical Variation, Frankfurt Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8 6.Be3 b6
- French Defense: Classical Variation, Normal Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7
- French Defense: Classical Variation, Richter Attack — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.Bxf6
- French Defense: Classical Variation, Tartakower Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ne4
- French Defense: Classical Variation, Vistaneckis Variation — 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Ng8