Billy Colias
Billy Colias Repertoire with White pieces
| ECO | Opening | Games |
| E20 | Nimzo-Indian defence | 3 games |
| E74 | King's Indian, Averbakh, 6...c5 | 3 games |
| C06 | French, Tarrasch, closed variation, main line | 3 games |
| E13 | Queen's Indian, 4.Nc3, main line | 2 games |
Billy Colias Repertoire with Black pieces
| ECO | Opening | Games |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 4 games |
| D48 | Queen's Gambit Declined semi-Slav, Meran, 8...a6 | 3 games |
| E11 | Bogo-Indian defence | 3 games |
| D14 | Queen's Gambit Declined Slav, exchange variation, 6.Bf4 Bf5 | 2 games |


