RM. Jacobs
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| World op | 09/??/1997 | 1871 |  United States |
| Lansing-ch MI Unr | ??/??/1995 | 55 | United States |
| National op | 05/??/1991 | 580 | United States |
| USA-chT Amateur | ??/??/1990 | 258 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B02 | Alekhine's defence | 1 games |
| C02 | French, advance variation | 1 games |
| C55 | Two knights defence | 1 games |
| B00 | King's pawn opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B50 | Sicilian | 1 games |
| B20 | Sicilian defence | 1 games |
| C67 | Ruy Lopez, Berlin defence, open variation | 1 games |
| D16 | Queen's Gambit Declined Slav accepted, Alapin variation | 1 games |
