William Potasman
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Netanya-B | 06/??/1968 | 0 |  Israel |
| Netanya | ??/??/1961 | 0 | Israel |
Most Played Openings as White
| ECO | Opening | Games |
| C86 | Ruy Lopez, Worrall attack | 1 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| B99 | Sicilian, Najdorf, 7...Be7 main line | 1 games |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B44 | Sicilian defence | 1 games |
| E62 | King's Indian, fianchetto variation | 1 games |
| C71 | Ruy Lopez, modern Steinitz defence | 1 games |
| A45 | Queen's pawn game | 1 games |
