Oscar MacDonald
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Clarin GP op 4th | 06/17/1995 | 1780 | Argentina |
| ARG-ch sf2 | ??/??/1992 | 643 | Argentina |
| ARG-chT | ??/??/1992 | 962 | Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| C01 | French, exchange variation | 1 games |
| B33 | Sicilian defence | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| B04 | Alekhine's defence, modern variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C45 | Scotch game | 2 games |
| D41 | Queen's Gambit Declined, Semi-Tarrasch, 5.cd | 1 games |
| A61 | Benoni defence | 1 games |
| C36 | King's Gambit Accepted, Abbazia defence (classical defence, modern defence[!]) | 1 games |


Argentina