Lev Abramovich Aronson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Leningrad-ch sf | ??/??/1970 | 0 | |
| Leningrad tt | ??/??/1964 | 0 | |
| Leningrad-ch | ??/??/1963 | 0 | |
| URS-ch sf | ??/??/1963 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| A43 | Old Benoni defence | 2 games |
| A08 | Reti, King's Indian attack | 2 games |
| A97 | Dutch, Ilyin-Genevsky variation | 2 games |
| C77 | Ruy Lopez, Morphy defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B39 | Sicilian, accelerated fianchetto, Breyer variation | 4 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 3 games |
| B34 | Sicilian, accelerated fianchetto, exchange variation | 2 games |
| A86 | Dutch with c4 & g3 | 2 games |


