Donald Lieberman
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| CalChess State-ch 9495 | ??/??/1994 | 230 |  United States |
| LERA Thanksgiving op 28th | ??/??/1994 | 137 | United States |
| Silicon Valley-ch | ??/??/1994 | 330 | United States |
| LERA Memorial Day op | ??/??/1994 | 202 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B21 | Sicilian, Grand Prix attack | 2 games |
| B01 | Scandinavian (centre counter) defence | 2 games |
| B06 | Robatsch (modern) defence | 1 games |
| C41 | Philidor's defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B00 | King's pawn opening | 2 games |
| C10 | French, Paulsen variation | 1 games |
| E30 | Nimzo-Indian, Leningrad variation | 1 games |
| C50 | King's pawn game | 1 games |
