Boris Ratner
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| URS-chT | ??/??/1953 | 0 | |
| URS-ch sf | ??/??/1952 | 0 | |
| URS-ch sf | ??/??/1951 | 0 | |
| URS-ch sf | ??/??/1950 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| A53 | Old Indian defence | 2 games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |
| D47 | Queen's Gambit Declined semi-Slav, 7.Bc4 | 1 games |
| D51 | Queen's Gambit Declined, 4.Bg5 Nbd7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D61 | Queen's Gambit Declined, Orthodox defence, Rubinstein variation | 2 games |
| B18 | Caro-Kann, classical variation | 2 games |
| B16 | Caro-Kann, Bronstein-Larsen variation | 2 games |
| B11 | Caro-Kann, two knights, 3...Bg4 | 2 games |


