3810 ECO lines with main-line moves and diagrams. Start with the flagship families, or browse by volume.
| Name | ECO | Moves |
| Italian Game: Bird's Attack | C53 | 9 |
| Italian Game: Classical Variation | C53 | 7 |
| Italian Game: Classical Variation, Center Holding Variation | C53 | 10 |
| Italian Game: Classical Variation, Closed Variation | C53 | 8 |
| Italian Game: Classical Variation, Eisinger Variation | C53 | 13 |
| Italian Game: Classical Variation, La Bourdonnais Variation | C53 | 12 |
| Italian Game: Classical Variation, Mestel Variation | C53 | 11 |
| Italian Game: Classical Variation, Tarrasch Variation | C53 | 17 |
| Italian Game: Classical Variation | C54 | 8 |
| Italian Game: Classical Variation, Center Attack | C54 | 9 |
| Italian Game: Classical Variation, Ghulam-Kassim Variation | C54 | 17 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 9 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 10 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 13 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 11 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 11 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 12 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 12 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 12 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 12 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 13 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 14 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 14 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 13 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 14 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 13 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 13 |
| Italian Game: Classical Variation, Giuoco Pianissimo | C54 | 12 |
| Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation | C54 | 11 |
| Italian Game: Classical Variation, Giuoco Pianissimo, Main Line | C54 | 17 |
| Italian Game: Classical Variation, Giuoco Pianissimo, with a4 a5 | C54 | 14 |
| Italian Game: Classical Variation, Giuoco Pianissimo, with a5 | C54 | 11 |
| Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | C54 | 10 |
| Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | C54 | 12 |
| Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | C54 | 12 |
| Italian Game: Classical Variation, Greco Gambit, Anderssen Variation | C54 | 16 |
| Italian Game: Classical Variation, Greco Gambit, Dubov Italian | C54 | 11 |
| Italian Game: Classical Variation, Greco Gambit, Greco Variation | C54 | 16 |
| Italian Game: Classical Variation, Greco Gambit, Main Line | C54 | 16 |
| Italian Game: Classical Variation, Greco Gambit, Modern Line | C54 | 11 |
| Italian Game: Classical Variation, Greco Gambit, Modern Line | C54 | 12 |
| Italian Game: Classical Variation, Greco Gambit, Moeller-Bayonet Attack | C54 | 23 |
| Italian Game: Classical Variation, Greco Gambit, Moeller-Therkatz Attack | C54 | 17 |
| Italian Game: Classical Variation, Greco Gambit, Traditional Line | C54 | 11 |
| Italian Game: Classical Variation, with d5 | C54 | 10 |
| Italian Game: Giuoco Piano, Aitken Variation | C54 | 19 |
| Italian Game: Giuoco Piano, Bernstein Variation | C54 | 20 |
| Italian Game: Giuoco Piano, Cracow Variation | C54 | 13 |
| Italian Game: Giuoco Piano, Greco's Attack | C54 | 13 |
| Italian Game: Giuoco Piano, Holzhausen Attack | C54 | 19 |
| Italian Game: Giuoco Piano, Krause Variation | C54 | 23 |
| Italian Game: Giuoco Piano, Rosentreter Variation | C54 | 17 |
| Italian Game: Giuoco Piano, Steinitz Variation | C54 | 19 |
| Italian Game: Giuoco Piano, Therkatz-Herzog Variation | C54 | 27 |
| Italian Game: Two Knights Defense | C55 | 6 |
| Italian Game: Two Knights Defense | C55 | 14 |
| Italian Game: Two Knights Defense | C55 | 10 |
| Italian Game: Two Knights Defense, Modern Bishop's Opening | C55 | 7 |
| Italian Game: Two Knights Defense, Modern Bishop's Opening | C55 | 8 |
| Italian Game: Two Knights Defense, Modern Bishop's Opening | C55 | 10 |
| Italian Game: Scotch Gambit | C56 | 9 |
| Italian Game: Scotch Gambit, Anderssen Attack | C56 | 15 |
| Italian Game: Scotch Gambit, Anderssen Attack, Main Line | C56 | 21 |
| Italian Game: Scotch Gambit, Canal Variation | C56 | 13 |
| Italian Game: Scotch Gambit, Double Gambit Accepted | C56 | 10 |
| Italian Game: Scotch Gambit, Janowski Defense | C56 | 10 |
| Italian Game: Scotch Gambit, Max Lange Attack | C56 | 10 |
| Italian Game: Scotch Gambit, Max Lange Attack | C56 | 12 |
| Italian Game: Scotch Gambit, Max Lange Attack Accepted | C56 | 17 |
| Italian Game: Scotch Gambit, Max Lange Attack, Long Variation | C56 | 21 |
| Italian Game: Scotch Gambit, Max Lange Attack, Spielmann Defense | C56 | 12 |
| Italian Game: Scotch Gambit, Nakhmanson Gambit | C56 | 11 |
| Italian Game: Scotch Gambit, Walbrodt-Baird Gambit | C56 | 11 |
| Italian Game: Scotch Gambit, de Riviere Defense | C56 | 10 |
| Italian Game: Scotch Invitation Declined | C56 | 8 |
| Italian Game: Two Knights Defense, Keidansky Variation | C56 | 18 |
| Italian Game: Two Knights Defense, Max Lange Attack | C56 | 11 |
| Italian Game: Two Knights Defense, Max Lange Attack, Berger Variation | C56 | 26 |
| Italian Game: Two Knights Defense, Max Lange Attack, Krause Variation | C56 | 13 |
| Italian Game: Two Knights Defense, Max Lange Attack, Loman Defense | C56 | 18 |
| Italian Game: Two Knights Defense, Max Lange Attack, Rubinstein Variation | C56 | 22 |
| Italian Game: Two Knights Defense, Open Variation | C56 | 7 |
| Italian Game: Two Knights Defense, Perreux Variation | C56 | 9 |
| Italian Game: Two Knights Defense, Yurdansky Attack | C56 | 25 |
| Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation | C57 | 22 |
| Italian Game: Two Knights Defense, Fried Liver Attack | C57 | 11 |
| Italian Game: Two Knights Defense, Fritz Variation | C57 | 10 |
| Italian Game: Two Knights Defense, Fritz, Gruber Variation | C57 | 15 |
| Italian Game: Two Knights Defense, Kloss Gambit | C57 | 10 |
| Italian Game: Two Knights Defense, Knight Attack | C57 | 7 |
| Italian Game: Two Knights Defense, Knight Attack, Normal Variation | C57 | 8 |
| Italian Game: Two Knights Defense, Lolli Attack | C57 | 11 |
| Italian Game: Two Knights Defense, Pincus Variation | C57 | 12 |
| Italian Game: Two Knights Defense, Ponziani-Steinitz Gambit | C57 | 8 |
| Italian Game: Two Knights Defense, Traxler Counterattack | C57 | 8 |
| Italian Game: Two Knights Defense, Traxler Counterattack, Bishop Sacrifice Line | C57 | 9 |
| Italian Game: Two Knights Defense, Traxler Counterattack, King March Line | C57 | 13 |
| Italian Game: Two Knights Defense, Traxler Counterattack, Knight Sacrifice Line | C57 | 9 |
| Italian Game: Two Knights Defense, Traxler Variation, Trencianske-Teplice Gambit | C57 | 11 |
| Italian Game: Two Knights Defense, Ulvestad Variation | C57 | 10 |
Family pages group related lines: the family head with a diagram, main continuations and every catalogued variation.