Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1942 |
762 |
2035 | (72) | 9 |
| 1943 |
680 |
2049 | (74) | 0 |
| 1944 |
643 |
2063 | (74) | 0 |
| 1945 |
627 |
2078 | (71) | 0 |
| 1946 |
568 |
2092 | (66) | 13 |
Rating table notes
|
| Biographical data |
| Name: Koesler |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1941-1946, page 347 |
| |
