Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1916 |
296 |
2227 | (58) | 19 |
| 1917 |
287 |
2229 | (60) | 0 |
| 1918 |
286 |
2231 | (58) | 11 |
| 1919 |
320 |
2216 | (66) | 0 |
| 1920 |
367 |
2200 | (70) | 0 |
| 1921 |
446 |
2185 | (72) | 0 |
| 1922 |
488 |
2170 | (71) | 0 |
| 1923 |
572 |
2154 | (68) | 0 |
| 1924 |
655 |
2139 | (62) | 4 |
| 1925 |
592 |
2163 | (59) | 0 |
| 1926 |
526 |
2187 | (51) | 13 |
| 1927 |
465 |
2217 | (49) | 8 |
| 1928 |
426 |
2235 | (47) | 15 |
| 1929 |
507 |
2209 | (54) | 0 |
| 1930 |
620 |
2183 | (54) | 11 |
| 1931 |
794 |
2143 | (59) | 0 |
| 1932 |
930 |
2104 | (59) | 7 |
| 1933 |
1026 |
2082 | (63) | 0 |
| 1934 |
1132 |
2059 | (64) | 8 |
| 1935 |
1243 |
2006 | (71) | 0 |
| 1936 |
1227 |
1954 | (77) | 0 |
| 1937 |
1159 |
1901 | (80) | 0 |
| 1938 |
1117 |
1849 | (81) | 0 |
| 1939 |
957 |
1796 | (81) | 10 |
Rating table notes
|
| Biographical data |
| Name: Isaacs, Lewis J. |
| Born: 21 Dec. 1878 |
| Died: 11 Mar. 1967 |
| |
| Notes: |
| Gaige (Chess Personalia) has 'Isaacs, Lewis J.'; Di Felice has 'Isaacs, Lewis Jl.'. |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1901-1920, page 307 |
| Di Felice, Chess Results, 1921-1930, page 327 |
| Di Felice, Chess Results, 1931-1935, page 387 |
| Di Felice, Chess Results, 1936-1940, page 235 |
| Gaige, Chess Personalia, page 187 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 352 |
| Thulin, Name index to CTC, page 118 |
| Woodger, Reuben Fine, page 351 |
| |
