Jonathan Sachs
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Cappelle op 8th | 02/??/1992 | 1523 |  France |
| Lloyds Bank op | 08/??/1991 | 2025 |  United Kingdom |
| Lloyds Bank op | 08/??/1990 | 2099 | United Kingdom |
| Spring op | ??/??/1990 | 1931 |  Hungary |
Jonathan Sachs Opening Repertoire with White pieces
| ECO | Opening | Games |
| B30 | Sicilian defence | 2 games |
| C40 | King's knight opening | 1 games |
Jonathan Sachs Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B74 | Sicilian, dragon, classical, 9.Nb3 | 1 games |
| A41 | Queen's Pawn | 1 games |
| B77 | Sicilian, dragon, Yugoslav attack, 9.Bc4 | 1 games |
| D20 | Queen's gambit accepted | 1 games |
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