M. Oka
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| USA-op | 07/??/1991 | 493 |  United States |
Most Played Openings as White
| ECO | Opening | Games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E84 | King's Indian, Saemisch, Panno main line | 1 games |
| D00 | Queen's pawn game | 1 games |
