Ron Simpson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US op | ??/??/1967 | 0 |  United States |
| US op | ??/??/1948 | 0 | United States |
Ron Simpson Repertoire with White pieces (most played)
| ECO | Opening | Games |
| D70 | Neo-Gruenfeld defence | 1 games |
| E68 | King's Indian, fianchetto, classical variation, 8.e4 | 1 games |
| D97 | Gruenfeld, Russian variation with e4 | 1 games |
Ron Simpson Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| C05 | French, Tarrasch, closed variation | 1 games |
| B13 | Caro-Kann, exchange variation | 1 games |
| D73 | Neo-Gruenfeld, 5.Nf3 | 1 games |
| A60 | Benoni defence | 1 games |
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