J. Grammatikoff
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Berlin | ??/??/1940 | 0 |  Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C41 | Philidor's defence | 1 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 1 games |
| D95 | Gruenfeld with e3 & Qb3 | 1 games |
| D40 | Queen's Gambit Declined, Semi-Tarrasch defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A30 | English, symmetrical variation | 1 games |
| A48 | King's Indian, East Indian defence | 1 games |
| C55 | Two knights defence | 1 games |
| C58 | two knights defence | 1 games |
