Carlos Masson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Tandil-ch | 11/05/2001 | 146 |  Argentina |
| Tandil-ch | ??/??/1998 | 172 | Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| E27 | Nimzo-Indian, Saemisch variation | 1 games |
| B56 | Sicilian | 1 games |
| B15 | Caro-Kann defence | 1 games |
| A51 | Budapest defence declined | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A31 | English, symmetrical, Benoni formation | 1 games |
| C41 | Philidor's defence | 1 games |
| D37 | Queen's Gambit Declined, 4.Nf3 | 1 games |
| A34 | English, symmetrical variation | 1 games |
