Gregory Simon Koshnitsky
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| AUS-ch | ??/??/1975 | 0 | Australia |
| Lugano ol (Men) | 10/17/1968 | 0 | Switzerland |
| Tel Aviv ol (Men) prel | 11/02/1964 | 0 | Israel |
| Tel Aviv ol (Men) fin-D | 11/02/1964 | 0 | Israel |
Most Played Openings as White
| ECO | Opening | Games |
| E99 | King's Indian, orthodox, Aronin-Taimanov, main line | 2 games |
| A25 | English, Sicilian reversed | 2 games |
| A07 | Reti, King's Indian attack (Barcza system) | 2 games |
| D02 | Queen's pawn game | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D94 | Gruenfeld, 5.e3 | 2 games |
| C15 | French, Winawer (Nimzovich) variation | 2 games |
| A43 | Old Benoni defence | 2 games |
| A91 | Dutch defence | 2 games |


Australia
Switzerland
Israel