Mark B Ruderfer
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| TCh-ISR 2011-12 | 12/16/2011 | 2412 | Israel |
| ISR-chT | 01/??/2003 | 2415 | Israel |
| ISR-chT | 01/10/2002 | 2323 | Israel |
| Kfar Sava op | ??/??/1995 | 2315 | Israel |
Most Played Openings as White
| ECO | Opening | Games |
| E92 | King's Indian, classical variation | 2 games |
| D14 | Queen's Gambit Declined Slav, exchange variation, 6.Bf4 Bf5 | 2 games |
| E18 | Queen's Indian, old main line, 7.Nc3 | 2 games |
| E74 | King's Indian, Averbakh, 6...c5 | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C92 | Ruy Lopez, closed, 9.h3 | 3 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 2 games |
| B13 | Caro-Kann, exchange variation | 2 games |
| A08 | Reti, King's Indian attack | 2 games |
Russian Federation
Male
FIDE ID:

Israel