Nikolay Nikolaevich Riumin
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Moscow 4m | ??/??/1938 | 0 | |
| All-Union YM | ??/??/1936 | 0 | |
| Moscow | 05/14/1936 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| D05 | Queen's pawn game | 4 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 4 games |
| C14 | French, classical variation | 4 games |
| C01 | French, exchange variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A95 | Dutch, stonewall with Nc3 | 3 games |
| A53 | Old Indian defence | 3 games |
| A85 | Dutch with c4 & Nc3 | 3 games |
| C41 | Philidor's defence | 2 games |


