| Event Name | Date Played | Black Pieces | White Pieces | Result |
|---|---|---|---|---|
| US National 1972 | 1972-??-?? | Hellman, W. | Caldwell, J. | Draw |
| US National 1972 | 1972-??-?? | Caldwell, J. | Hellman, W. | Draw |
| US National 1972 | 1972-??-?? | Hellman, W. | Ingram, E. | Draw |
| US National 1972 | 1972-??-?? | Ingram, E. | Hellman, W. | White Wins |
| US National 1972 | 1972-??-?? | Hellman, W. | Scheidt, E.F | Draw |
| US National 1972 | 1972-??-?? | Scheidt, E.F | Hellman, W. | Draw |
| USA v UK match 1973 | 1973-??-?? | Hellman, W. | Anderson, J. | Draw |
| USA v UK match 1973 | 1973-??-?? | Anderson, J. | Hellman, W. | White Wins |