Marcos Marques
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Buenos Aires Najdorf U14/16 | 09/07/2004 | 385 | Argentina |
| Najdorf U14 op | 10/03/2003 | 23 | Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| D02 | Queen's pawn game | 2 games |
| E80 | King's Indian, Saemisch variation | 2 games |
| B74 | Sicilian, dragon, classical, 9.Nb3 | 1 games |
| D20 | Queen's gambit accepted | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D91 | Gruenfeld, 5.Bg5 | 1 games |
| B50 | Sicilian | 1 games |
| B07 | Pirc defence | 1 games |
| E85 | King's Indian, Saemisch, orthodox variation | 1 games |


Argentina