3810 ECO lines with main-line moves and diagrams. Start with the flagship families, or browse by volume.
| Name | ECO | Moves |
|---|
| Caro-Kann Defense: Advance Variation, Prins Attack | B12 | 7 |
| Caro-Kann Defense: Advance Variation, Short Variation | B12 | 7 |
| Caro-Kann Defense: Advance Variation, Tal Variation | B12 | 7 |
| Caro-Kann Defense: Advance Variation, Van der Wiel Attack | B12 | 7 |
| Caro-Kann Defense: Advance Variation, Van der Wiel Attack | B12 | 13 |
| Caro-Kann Defense: Advance Variation, Van der Wiel Attack, Dreyev Defense | B12 | 8 |
| Caro-Kann Defense: Advance, Short Variation | B12 | 9 |
| Caro-Kann Defense: De Bruycker Defense | B12 | 4 |
| Caro-Kann Defense: De Bruycker Defense | B12 | 6 |
| Caro-Kann Defense: Edinburgh Variation | B12 | 6 |
| Caro-Kann Defense: Maróczy Variation | B12 | 5 |
| Caro-Kann Defense: Maróczy Variation, Maróczy Gambit | B12 | 11 |
| Caro-Kann Defense: Masi Variation | B12 | 4 |
| Caro-Kann Defense: Massachusetts Defense | B12 | 4 |
| Caro-Kann Defense: Mieses Attack, Landau Gambit | B12 | 9 |
| Caro-Kann Defense: Mieses Gambit | B12 | 5 |
| Caro-Kann Defense: Modern Variation | B12 | 5 |
| Caro-Kann Defense: Ulysses Gambit | B12 | 7 |
| Caro-Kann Defense: Exchange Variation | B13 | 5 |
| Caro-Kann Defense: Exchange Variation | B13 | 6 |
| Caro-Kann Defense: Exchange Variation | B13 | 7 |
| Caro-Kann Defense: Exchange Variation | B13 | 8 |
| Caro-Kann Defense: Exchange Variation, Bulla Attack | B13 | 7 |
| Caro-Kann Defense: Exchange Variation, Rubinstein Variation | B13 | 11 |
| Caro-Kann Defense: Panov Attack | B13 | 7 |
| Caro-Kann Defense: Panov Attack | B13 | 9 |
| Caro-Kann Defense: Panov Attack, Gunderam Attack | B13 | 9 |
| Caro-Kann Defense: Panov Attack, Modern Defense | B13 | 10 |
| Caro-Kann Defense: Panov Attack, Modern Defense, Carlsbad Line | B13 | 12 |
| Caro-Kann Defense: Panov Attack, Modern Defense, Czerniak Line | B13 | 12 |
| Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | B13 | 12 |
| Caro-Kann Defense: Panov Attack, Modern Defense, Reifir-Spielmann Line | B13 | 12 |
| Caro-Kann Defense: Panov-Botvinnik, Herzog Defense | B13 | 14 |
| Caro-Kann Defense: Panov Attack | B14 | 10 |
| Caro-Kann Defense: Panov Attack | B14 | 16 |
| Caro-Kann Defense: Panov Attack | B14 | 19 |
| Caro-Kann Defense: Panov Attack | B14 | 13 |
| Caro-Kann Defense: Panov Attack, Fianchetto Defense | B14 | 10 |
| Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | B14 | 12 |
| Caro-Kann Defense: Panov Attack, Main Line | B14 | 12 |
| Caro-Kann Defense | B15 | 5 |
| Caro-Kann Defense | B15 | 6 |
| Caro-Kann Defense: Alekhine Gambit | B15 | 9 |
| Caro-Kann Defense: Alien Gambit | B15 | 11 |
| Caro-Kann Defense: Campomanes Attack | B15 | 6 |
| Caro-Kann Defense: Forgacs Variation | B15 | 11 |
| Caro-Kann Defense: Gurgenidze Counterattack | B15 | 6 |
| Caro-Kann Defense: Gurgenidze System | B15 | 6 |
| Caro-Kann Defense: Main Line | B15 | 7 |
| Caro-Kann Defense: Rasa-Studier Gambit | B15 | 7 |
| Caro-Kann Defense: Tartakower Variation | B15 | 10 |
| Caro-Kann Defense: Tartakower Variation, Perlis Line | B15 | 16 |
| Caro-Kann Defense: von Hennig Gambit | B15 | 7 |
| Caro-Kann Defense: Bronstein-Larsen Variation | B16 | 10 |
| Caro-Kann Defense: Finnish Variation | B16 | 8 |
| Caro-Kann Defense: Karpov Variation | B17 | 8 |
| Caro-Kann Defense: Karpov Variation, Modern Main Line | B17 | 19 |
| Caro-Kann Defense: Karpov Variation, Modern Variation | B17 | 9 |
| Caro-Kann Defense: Karpov Variation, Modern Variation, Ivanchuk Defense | B17 | 10 |
| Caro-Kann Defense: Karpov Variation, Modern Variation, Kasparov Attack | B17 | 11 |
| Caro-Kann Defense: Karpov Variation, Smyslov Variation | B17 | 14 |
| Caro-Kann Defense: Karpov Variation, Smyslov Variation, Main Line | B17 | 15 |
| Caro-Kann Defense: Karpov Variation, Tiviakov-Fischer Attack | B17 | 12 |
| Caro-Kann Defense: Classical Variation | B18 | 8 |
| Caro-Kann Defense: Classical Variation, Flohr Variation | B18 | 11 |
| Caro-Kann Defense: Classical Variation, Main Line | B18 | 11 |
| Caro-Kann Defense: Classical Variation, Maróczy Attack | B18 | 11 |
| Caro-Kann Defense: Martian Gambit | B18 | 13 |
| Caro-Kann Defense: Classical Variation | B19 | 14 |
| Caro-Kann Defense: Classical Variation, Lobron System | B19 | 24 |
| Caro-Kann Defense: Classical Variation, Seirawan Variation | B19 | 24 |
| Caro-Kann Defense: Classical Variation, Spassky Variation | B19 | 15 |
| Sicilian Defense | B20 | 2 |
| Sicilian Defense: Amazon Attack | B20 | 3 |
| Sicilian Defense: Big Clamp Formation | B20 | 7 |
| Sicilian Defense: Bowdler Attack | B20 | 3 |
| Sicilian Defense: Brick Variation | B20 | 3 |
| Sicilian Defense: Czerniak Attack | B20 | 3 |
| Sicilian Defense: Czerniak Attack, Queen Fianchetto Variation | B20 | 4 |
| Sicilian Defense: Euwe Attack, Prins Gambit | B20 | 5 |
| Sicilian Defense: Gloria Variation | B20 | 8 |
| Sicilian Defense: Grob Variation | B20 | 3 |
| Sicilian Defense: Keres Variation | B20 | 3 |
| Sicilian Defense: King David's Opening | B20 | 3 |
| Sicilian Defense: Kronberger Variation | B20 | 3 |
| Sicilian Defense: Kronberger Variation, Nemeth Gambit | B20 | 7 |
| Sicilian Defense: Lasker-Dunne Attack | B20 | 3 |
| Sicilian Defense: Mengarini Variation | B20 | 3 |
| Sicilian Defense: Myers Attack, with a4 | B20 | 3 |
| Sicilian Defense: Myers Attack, with h4 | B20 | 3 |
| Sicilian Defense: Staunton-Cochrane Variation | B20 | 3 |
| Sicilian Defense: Wing Gambit | B20 | 3 |
| Sicilian Defense: Wing Gambit, Abrahams Variation | B20 | 5 |
| Sicilian Defense: Wing Gambit, Carlsbad Variation | B20 | 6 |
| Sicilian Defense: Wing Gambit, Marienbad Variation | B20 | 9 |
| Sicilian Defense: Wing Gambit, Marshall Variation | B20 | 5 |
| Sicilian Defense: Wing Gambit, Nanu Gambit | B20 | 13 |
| Sicilian Defense: Wing Gambit, Romanian Defense | B20 | 14 |
| Sicilian Defense: Wing Gambit, Santasiere Variation | B20 | 5 |
| Bird Opening: Dutch Variation, Batavo Gambit | B21 | 6 |
Family pages group related lines: the family head with a diagram, main continuations and every catalogued variation.