William N Watson
William N Watson Repertoire with White pieces
| ECO | Opening | Games |
| B09 | Pirc, Austrian attack | 13 games |
| C26 | Vienna, Falkbeer variation | 13 games |
| B23 | Sicilian, closed | 12 games |
| B17 | Caro-Kann, Steinitz variation | 11 games |
William N Watson Repertoire with Black pieces
| ECO | Opening | Games |
| B70 | Sicilian, dragon variation | 26 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 20 games |
| E97 | King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 16 games |
| E94 | King's Indian, orthodox variation | 15 games |


