Sergio Katzman
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Villa Ballester op | ??/??/1992 | 309 |  Argentina |
| Omega op | ??/??/1990 | 1018 | Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| B11 | Caro-Kann, two knights, 3...Bg4 | 1 games |
| B88 | Sicilian, Sozin, Leonhardt variation | 1 games |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 1 games |
| B16 | Caro-Kann, Bronstein-Larsen variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A01 | Nimzovich-Larsen attack | 1 games |
| D85 | Gruenfeld, exchange variation | 1 games |
| D94 | Gruenfeld, 5.e3 | 1 games |
| D02 | Queen's pawn game | 1 games |
