William R Hartston
William R Hartston Repertoire with White pieces
| ECO | Opening | Games |
| E61 | King's Indian defence, 3.Nc3 | 13 games |
| C19 | French, Winawer, advance, 6...Ne7 | 12 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 11 games |
| C24 | Bishop's opening, Berlin defence | 10 games |
William R Hartston Repertoire with Black pieces
| ECO | Opening | Games |
| A56 | Benoni defence | 18 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 13 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 11 games |
| A36 | English, symmetrical variation | 10 games |


