Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1936 |
1903 |
1454 | (107) | 14 |
| 1937 |
1774 |
1459 | (112) | 0 |
| 1938 |
1738 |
1464 | (116) | 0 |
| 1939 |
1560 |
1469 | (120) | 0 |
| 1940 |
1332 |
1474 | (124) | 0 |
| 1941 |
1325 |
1479 | (127) | 0 |
| 1942 |
1177 |
1484 | (130) | 0 |
| 1943 |
1111 |
1489 | (133) | 1 |
Rating table notes
|
| Biographical data |
| Name: Heffernan, J. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1936-1940, page 356 |
| Di Felice, Chess Results, 1941-1946, page 343 |
| |