Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1916 |
264 |
2250 | (58) | 19 |
| 1917 |
242 |
2257 | (61) | 0 |
| 1918 |
240 |
2264 | (58) | 11 |
| 1919 |
245 |
2260 | (67) | 0 |
| 1920 |
260 |
2257 | (72) | 0 |
| 1921 |
284 |
2254 | (74) | 0 |
| 1922 |
295 |
2251 | (75) | 0 |
| 1923 |
323 |
2248 | (73) | 0 |
| 1924 |
346 |
2245 | (69) | 0 |
| 1925 |
360 |
2242 | (63) | 0 |
| 1926 |
382 |
2239 | (52) | 13 |
| 1927 |
355 |
2259 | (49) | 8 |
| 1928 |
323 |
2270 | (47) | 15 |
| 1929 |
381 |
2246 | (54) | 0 |
| 1930 |
448 |
2223 | (54) | 11 |
| 1931 |
489 |
2196 | (60) | 0 |
| 1932 |
510 |
2169 | (60) | 7 |
| 1933 |
510 |
2169 | (66) | 0 |
| 1934 |
456 |
2169 | (69) | 8 |
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 |
| 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 |
| |
