R. Tumpkin
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Westland SE MI opB | ??/??/1985 | 0 |  United States |
| Detroit East op | ??/??/1984 | 69 | United States |
| Plymouth ch-MI op | ??/??/1984 | 25 | United States |
R. Tumpkin Repertoire with White pieces (most played)
| ECO | Opening | Games |
| D93 | Gruenfeld with Bf4 e3 | 1 games |
| A20 | English opening | 1 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
R. Tumpkin Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| B32 | Sicilian defence | 2 games |
| B24 | Sicilian, closed | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
| A17 | English opening | 1 games |
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