Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1930 |
963 |
2122 | (64) | 15 |
| 1931 |
1008 |
2126 | (71) | 0 |
| 1932 |
1010 |
2130 | (75) | 0 |
| 1933 |
1011 |
2134 | (77) | 5 |
| 1934 |
1057 |
2129 | (86) | 0 |
| 1935 |
1128 |
2124 | (94) | 0 |
| 1936 |
1114 |
2120 | (100) | 0 |
| 1937 |
1086 |
2115 | (106) | 0 |
| 1938 |
1111 |
2110 | (111) | 0 |
| 1939 |
1055 |
2105 | (115) | 0 |
| 1940 |
948 |
2100 | (119) | 0 |
| 1941 |
933 |
2096 | (122) | 0 |
| 1942 |
887 |
2091 | (125) | 0 |
| 1943 |
865 |
2086 | (128) | 0 |
| 1944 |
868 |
2081 | (131) | 0 |
| 1945 |
900 |
2076 | (133) | 0 |
| 1946 |
885 |
2072 | (135) | 0 |
| 1947 |
776 |
2067 | (136) | 0 |
| 1948 |
569 |
2062 | (138) | 1 |
Rating table notes
|
| Biographical data |
| Name: Kleefstra, H. |
| Born: |
| Died: |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 328 |
| Di Felice, Chess Results, 1931-1935, page 389 |
| Di Felice, Chess Results, 1947-1950, page 207 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 476 |
| Thulin, Name index to CTC, page 133 |
| Periodicals |
| [NYTi], vol. 97, no. 13894, 15 Feb. 1948, page S5 |
| |