Oscar Chajes
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Chicago | ??/??/1926 | 0 | United States |
| New York-ch Rice CC | ??/??/1924 | 0 | United States |
| Karlsbad | 04/??/1923 | 0 | |
| New York m | ??/??/1923 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C49 | Four knights, double Ruy Lopez | 8 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 7 games |
| D02 | Queen's pawn game | 4 games |
| C48 | Four knights, Spanish variation | 4 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A46 | Queen's pawn game | 8 games |
| C83 | Ruy Lopez, open, classical defence | 5 games |
| C90 | Ruy Lopez, closed (with ...d6) | 5 games |
| B73 | Sicilian, dragon, classical, 8.O-O | 5 games |


United States