William J Geus
William J Geus Repertoire with White pieces
| ECO | Opening | Games |
| B25 | Sicilian, closed | 3 games |
| B26 | Sicilian, closed, 6.Be3 | 2 games |
| C30 | King's gambit | 1 games |
| D21 | Queen's Gambit Accepted, 3.Nf3 | 1 games |
William J Geus Repertoire with Black pieces
| ECO | Opening | Games |
| A91 | Dutch defence | 3 games |
| A04 | Reti opening | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
| C13 | French, classical | 1 games |


