Leon Weiss
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| La Habana ol (Men) fin-D | 10/25/1966 | 0 |  Cuba |
| La Habana ol (Men) prel | 10/25/1966 | 0 | Cuba |
| Tel Aviv ol (Men) prel | 11/02/1964 | 0 |  Israel |
| Tel Aviv ol (Men) fin-C | 11/02/1964 | 0 | Israel |
Most Played Openings as White
| ECO | Opening | Games |
| D32 | Queen's Gambit Declined, Tarrasch defence | 1 games |
| E67 | King's Indian, fianchetto with ...Nd7 | 1 games |
| E77 | King's Indian, Four pawns attack, 6.Be2 | 1 games |
| E93 | King's Indian, Petrosian system, main line | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B17 | Caro-Kann, Steinitz variation | 1 games |
| B20 | Sicilian defence | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| C99 | Ruy Lopez, closed, Chigorin, 12...c5d4 | 1 games |
