Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1930 |
864 |
2135 | (60) | 17 |
| 1931 |
861 |
2150 | (67) | 0 |
| 1932 |
810 |
2165 | (71) | 0 |
| 1933 |
767 |
2179 | (72) | 0 |
| 1934 |
702 |
2194 | (71) | 0 |
| 1935 |
659 |
2209 | (68) | 0 |
| 1936 |
582 |
2223 | (62) | 0 |
| 1937 |
506 |
2238 | (52) | 16 |
| 1938 |
504 |
2237 | (54) | 5 |
| 1939 |
427 |
2250 | (59) | 14 |
Rating table notes
|
| Biographical data |
| Name: Guðmundsson, Jón |
| Born: |
| Died: |
| |
| Notes: |
| Di Felice has 'Gudmundsson, Arinbjorn' at the Hamburg Olympiad 1930, but it should be Jón Gudmundsson. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 294 |
| Di Felice, Chess Results, 1936-1940, page 355 |
| Gaige, Chess Personalia, page 153 |
| Woodger, Reuben Fine, page 350 |
| Web |
| Bartelski, Wojciech. [3rd Chess Olympiad: Hamburg 1930 - Iceland] |
| |
