3810 ECO lines with main-line moves and diagrams. Start with the flagship families, or browse by volume.
| Name | ECO | Moves |
|---|
| Queen's Gambit Declined: Tartakower Defense | D59 | 22 |
| Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation | D59 | 16 |
| Queen's Gambit Declined: Orthodox Defense | D60 | 12 |
| Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation | D60 | 13 |
| Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation | D60 | 14 |
| Queen's Gambit Declined: Orthodox Defense, Rauzer Variation | D60 | 13 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | D61 | 13 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | D61 | 14 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | D61 | 14 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | D61 | 15 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | D61 | 18 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation | D61 | 16 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line | D62 | 15 |
| Queen's Gambit Declined: Orthodox Defense, Capablanca Variation | D63 | 17 |
| Queen's Gambit Declined: Orthodox Defense, Henneberger Variation | D63 | 14 |
| Queen's Gambit Declined: Orthodox Defense, Henneberger Variation | D63 | 15 |
| Queen's Gambit Declined: Orthodox Defense, Henneberger Variation | D63 | 16 |
| Queen's Gambit Declined: Orthodox Defense, Henneberger Variation | D63 | 17 |
| Queen's Gambit Declined: Orthodox Defense, Main Line | D63 | 13 |
| Queen's Gambit Declined: Orthodox Defense, Main Line | D63 | 14 |
| Queen's Gambit Declined: Orthodox Defense, Main Line | D63 | 16 |
| Queen's Gambit Declined: Orthodox Defense, Pillsbury Variation | D63 | 17 |
| Queen's Gambit Declined: Orthodox Defense, Swiss, Carlsbad Variation | D63 | 15 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack | D64 | 17 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack | D64 | 15 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack | D64 | 16 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack | D64 | 16 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack | D65 | 17 |
| Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack | D65 | 19 |
| Queen's Gambit Declined: Orthodox Defense, Bd3 Line | D66 | 15 |
| Queen's Gambit Declined: Orthodox Defense, Bd3 Line | D66 | 17 |
| Queen's Gambit Declined: Orthodox Defense, Fianchetto Variation | D66 | 18 |
| Queen's Gambit Declined: Orthodox Defense, Alekhine Variation | D67 | 21 |
| Queen's Gambit Declined: Orthodox Defense, Bd3 Line | D67 | 20 |
| Queen's Gambit Declined: Orthodox Defense, Capablanca System | D67 | 18 |
| Queen's Gambit Declined: Orthodox Defense, Janowski Variation | D67 | 19 |
| Queen's Gambit Declined: Orthodox Defense, Main Line | D67 | 21 |
| Queen's Gambit Declined: Orthodox Defense, Classical Variation | D68 | 24 |
| Queen's Gambit Declined: Orthodox Defense, Classical Variation | D68 | 25 |
| Queen's Gambit Declined: Orthodox Defense, Classical Variation | D68 | 25 |
| Queen's Gambit Declined: Orthodox Defense, Classical Variation | D69 | 28 |
| Neo-Grünfeld Defense: Goglidze Attack | D70 | 6 |
| Neo-Grünfeld Defense: with Nf3 | D70 | 6 |
| Neo-Grünfeld Defense: with g3 | D70 | 6 |
| Neo-Grünfeld Defense: Exchange Variation | D71 | 10 |
| Neo-Grünfeld Defense: Exchange Variation | D71 | 11 |
| Neo-Grünfeld Defense: with g3 | D72 | 13 |
| Neo-Grünfeld Defense: with g3 | D73 | 9 |
| Neo-Grünfeld Defense: Delayed Exchange Variation | D74 | 13 |
| Neo-Grünfeld Defense: Delayed Exchange Variation | D75 | 15 |
| Neo-Grünfeld Defense: Delayed Exchange Variation | D75 | 15 |
| Neo-Grünfeld Defense: Delayed Exchange Variation | D76 | 14 |
| Neo-Grünfeld Defense: Classical Variation | D77 | 11 |
| Neo-Grünfeld Defense: Classical Variation, Modern Defense | D77 | 12 |
| Neo-Grünfeld Defense: Classical Variation, Polgar Variation | D77 | 12 |
| Neo-Grünfeld Defense: Classical Variation, Original Defense | D78 | 12 |
| Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | D79 | 14 |
| Grünfeld Defense | D80 | 6 |
| Grünfeld Defense: Gibbon Gambit | D80 | 7 |
| Grünfeld Defense: Lundin Variation | D80 | 12 |
| Grünfeld Defense: Lutikov Variation | D80 | 7 |
| Grünfeld Defense: Lutikov Variation, Murrey Attack | D80 | 11 |
| Grünfeld Defense: Stockholm Variation | D80 | 7 |
| Grünfeld Defense: Zaitsev Gambit | D80 | 7 |
| Grünfeld Defense: Russian Variation, Accelerated Variation | D81 | 7 |
| Grünfeld Defense: Brinckmann Attack | D82 | 7 |
| Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit | D83 | 10 |
| Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Botvinnik Variation | D83 | 14 |
| Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Capablanca Variation | D83 | 11 |
| Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit | D83 | 14 |
| Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit Accepted | D84 | 15 |
| Grünfeld Defense: Exchange Variation | D85 | 8 |
| Grünfeld Defense: Exchange Variation, Modern Exchange Variation | D85 | 13 |
| Grünfeld Defense: Exchange Variation, Modern Exchange Variation | D85 | 14 |
| Grünfeld Defense: Exchange Variation, Modern Exchange Variation | D85 | 15 |
| Grünfeld Defense: Exchange Variation, Modern Exchange Variation, Kramnik's Line | D85 | 15 |
| Grünfeld Defense: Exchange Variation, Modern Exchange Variation, Pawn Grab Line | D85 | 20 |
| Grünfeld Defense: Exchange Variation, Nadanian Attack | D85 | 9 |
| Grünfeld Defense: Exchange Variation, Classical Variation | D86 | 13 |
| Grünfeld Defense: Exchange Variation, Larsen Variation | D86 | 16 |
| Grünfeld Defense: Exchange Variation, Larsen Variation | D86 | 18 |
| Grünfeld Defense: Exchange Variation, Simagin's Improved Variation | D86 | 16 |
| Grünfeld Defense: Exchange Variation, Simagin's Lesser Variation | D86 | 16 |
| Grünfeld Defense: Exchange Variation, Seville Variation | D87 | 23 |
| Grünfeld Defense: Exchange Variation, Spassky Variation | D87 | 16 |
| Grünfeld Defense: Exchange Variation, Spassky Variation | D88 | 21 |
| Grünfeld Defense: Exchange Variation, Sokolsky Variation | D89 | 27 |
| Grünfeld Defense: Exchange Variation, Spassky Variation | D89 | 26 |
| Grünfeld Defense: Flohr Variation | D90 | 9 |
| Grünfeld Defense: Three Knights Variation | D90 | 7 |
| Grünfeld Defense: Three Knights Variation | D90 | 8 |
| Grünfeld Defense: Three Knights Variation, Petrosian System | D91 | 9 |
| Grünfeld Defense: Three Knights Variation, Hungarian Attack | D92 | 9 |
| Grünfeld Defense: Three Knights Variation, Hungarian Variation | D93 | 11 |
| Grünfeld Defense: Flohr Defense | D94 | 14 |
| Grünfeld Defense: Makogonov Variation | D94 | 11 |
| Grünfeld Defense: Opocensky Variation | D94 | 11 |
| Grünfeld Defense: Smyslov Defense | D94 | 14 |
| Grünfeld Defense: Three Knights Variation, Burille Variation | D94 | 9 |
| Grünfeld Defense: Three Knights Variation, Paris Variation | D94 | 11 |
Family pages group related lines: the family head with a diagram, main continuations and every catalogued variation.