ECO C13
11 named openings and variations are classified as C13. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- French Defense: Alekhine-Chatard AttackC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4
- French Defense: Alekhine-Chatard Attack, Albin-Chatard GambitC131. 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 VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5
- French Defense: Alekhine-Chatard Attack, Maróczy VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6
- French Defense: Alekhine-Chatard Attack, Spielmann VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 O-O
- French Defense: Alekhine-Chatard Attack, Teichmann VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 f6
- French Defense: Classical Variation, Frankfurt VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 6. Be3 b6
- French Defense: Classical Variation, Normal VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7
- French Defense: Classical Variation, Richter AttackC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6
- French Defense: Classical Variation, Tartakower VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4
- French Defense: Classical Variation, Vistaneckis VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8