I. Heitner
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| USA-ch | ??/??/1948 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| E42 | Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) | 1 games |
| E16 | Queen's Indian, Capablanca variation | 1 games |
| D30 | Queen's gambit declined | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A34 | English, symmetrical variation | 2 games |
| B10 | Caro-Kann defence | 1 games |
| B12 | Caro-Kann defence | 1 games |
| B44 | Sicilian defence | 1 games |


United States