C. Columna
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Haifa ol (Men) | 11/??/1976 | 388 |  Israel |
Most Played Openings as White
| ECO | Opening | Games |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 1 games |
| C84 | Ruy Lopez, closed defence | 1 games |
| C00 | French defence | 1 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 2 games |
| A57 | Benko gambit | 1 games |
| A04 | Reti opening | 1 games |
| E95 | King's Indian, orthodox, 7...Nbd7, 8.Re1 | 1 games |
