Chess Openings
3810 ECO lines with main-line moves and diagrams. Start with the flagship families, or browse by volume.
Flagship openings
All lines by ECO volume
D — Closed & semi-closed
| Name | ECO | Moves |
|---|
| Grünfeld Defense: Botvinnik Variation | D95 | 12 |
| Grünfeld Defense: Pachman Variation | D95 | 15 |
| Grünfeld Defense: Three Knights Variation, Vienna Variation | D95 | 11 |
| Grünfeld Defense: Russian Variation | D96 | 9 |
| Grünfeld Defense: Russian Variation | D97 | 13 |
| Grünfeld Defense: Russian Variation, Byrne Variation | D97 | 14 |
| Grünfeld Defense: Russian Variation, Hungarian Variation | D97 | 14 |
| Grünfeld Defense: Russian Variation, Levenfish Variation | D97 | 14 |
| Grünfeld Defense: Russian Variation, Prins Variation | D97 | 14 |
| Grünfeld Defense: Russian Variation, Szabo Variation | D97 | 14 |
| Grünfeld Defense: Russian Variation, Keres Variation | D98 | 21 |
| Grünfeld Defense: Russian Variation, Smyslov Variation | D98 | 14 |
| Grünfeld Defense: Russian Variation, Smyslov Variation | D99 | 17 |
| Grünfeld Defense: Russian Variation, Yugoslav Variation | D99 | 18 |
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Family pages group related lines: the family head with a diagram, main continuations and every catalogued variation.