Jack Gersho
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Quebec op | ??/??/1981 | 495 |  Canada |
| US op | ??/??/1977 | 178 |  United States |
| Montreal op | ??/??/1973 | 0 | Canada |
| Montreal m | ??/??/1968 | 0 | Canada |
Jack Gersho Opening Repertoire with White pieces
| ECO | Opening | Games |
| A56 | Benoni defence | 2 games |
| A34 | English, symmetrical variation | 1 games |
| A90 | Dutch defence | 1 games |
| E81 | King's Indian, Saemisch, 5...O-O | 1 games |
Jack Gersho Opening Repertoire with Black pieces
| ECO | Opening | Games |
| A10 | English opening | 1 games |
| C02 | French, advance variation | 1 games |
| A03 | Bird's opening | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
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