Isaak Appel
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Lodz | ??/??/1938 | 0 | Poland |
| POL-ch | ??/??/1937 | 0 | Poland |
| Stockholm ol (Men) | 07/31/1937 | 0 | Sweden |
| Lodz | 09/03/1935 | 0 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| E18 | Queen's Indian, old main line, 7.Nc3 | 1 games |
| A30 | English, symmetrical variation | 1 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 1 games |
| D78 | Neo-Gruenfeld, 6.O-O c6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E18 | Queen's Indian, old main line, 7.Nc3 | 2 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 2 games |
| C01 | French, exchange variation | 1 games |
| E12 | Queen's Indian defence | 1 games |


Poland
Sweden