Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1942 |
792 |
2035 | (72) | 9 |
| 1943 |
704 |
2050 | (74) | 0 |
| 1944 |
666 |
2064 | (74) | 0 |
| 1945 |
653 |
2079 | (71) | 0 |
| 1946 |
583 |
2093 | (66) | 13 |
Rating table notes
|
| Biographical data |
| Name: Koesler |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1941-1946, page 347 |
| |
