G. Hartleb
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| US-op | ??/??/1959 | 0 | United States |
| USA-op 52nd | ??/??/1951 | 0 | United States |
| US op | ??/??/1949 | 0 | United States |
| US op | ??/??/1948 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| E38 | Nimzo-Indian, classical, 4...c5 | 2 games |
| D97 | Gruenfeld, Russian variation with e4 | 1 games |
| D22 | Queen's Gambit Accepted, Alekhine defence | 1 games |
| E20 | Nimzo-Indian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D63 | Queen's Gambit Declined, Orthodox defence, 7.Rc1 | 1 games |
| C91 | Ruy Lopez, closed, 9.d4 | 1 games |
| C88 | Ruy Lopez, closed | 1 games |
| C90 | Ruy Lopez, closed (with ...d6) | 1 games |


United States