Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1901 |
112 |
2343 | (55) | 10 |
| 1902 |
111 |
2346 | (47) | 13 |
| 1903 |
138 |
2320 | (43) | 13 |
| 1904 |
103 |
2355 | (38) | 33 |
| 1905 |
144 |
2331 | (42) | 14 |
| 1906 |
160 |
2311 | (45) | 11 |
| 1907 |
178 |
2303 | (52) | 7 |
| 1908 |
190 |
2294 | (60) | 0 |
| 1909 |
213 |
2286 | (64) | 0 |
| 1910 |
221 |
2278 | (65) | 0 |
| 1911 |
251 |
2269 | (63) | 0 |
| 1912 |
261 |
2261 | (56) | 9 |
| 1913 |
275 |
2257 | (57) | 9 |
| 1914 |
268 |
2248 | (66) | 0 |
| 1915 |
262 |
2239 | (72) | 0 |
| 1916 |
286 |
2231 | (75) | 0 |
| 1917 |
288 |
2222 | (76) | 0 |
| 1918 |
300 |
2213 | (75) | 0 |
| 1919 |
320 |
2204 | (72) | 0 |
| 1920 |
350 |
2195 | (67) | 0 |
| 1921 |
415 |
2187 | (58) | 11 |
| 1922 |
434 |
2166 | (61) | 0 |
| 1923 |
493 |
2146 | (59) | 7 |
| 1924 |
506 |
2151 | (58) | 0 |
| 1925 |
472 |
2157 | (51) | 22 |
| 1926 |
515 |
2140 | (62) | 0 |
| 1927 |
526 |
2124 | (68) | 0 |
| 1928 |
530 |
2108 | (71) | 0 |
| 1929 |
474 |
2092 | (71) | 9 |
Rating table notes
|
| Biographical data |
| Name: Koyalovich, Boris Mikhailovich |
| Born: 2 May 1867 |
| Died: 29 Dec. 1941 |
| |
| Notes: |
| Feenstra Kuiper has name as 'Kojalowitsch'. The biography of Chigorin translated by Jimmy Adams gives date of death as 1942. |
|
| |
| References |
| Books |
| Adams, Mikhail Chigorin, page 85 |
| Di Felice, Chess Results, 1901-1920, page 309 |
| Di Felice, Chess Results, 1921-1930, page 328 |
| Gaige, Chess Personalia, page 226 |
| Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 111 |
| Soltis, Soviet Chess, page 17, 27 |
| Thulin, Name index to CTC, page 138 |
| |
