George Koltanowski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| San Francisco sim blind | ??/??/1960 | 0 |  United States |
| Zuerich m | ??/??/1953 | 0 |  Switzerland |
| Helsinki ol (Men) | 08/10/1952 | 0 |  Finland |
| US op | ??/??/1946 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| D05 | Queen's pawn game | 12 games |
| A47 | Queen's Indian defence | 8 games |
| C56 | Two knights defence | 4 games |
| D95 | Gruenfeld with e3 & Qb3 | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C41 | Philidor's defence | 11 games |
| C73 | Ruy Lopez, modern Steinitz defence, Richter variation | 4 games |
| D46 | Queen's Gambit Declined semi-Slav, 6.Bd3 | 4 games |
| C55 | Two knights defence | 4 games |
