Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1901 |
113 |
2343 | (55) | 10 |
| 1902 |
114 |
2345 | (47) | 13 |
| 1903 |
139 |
2320 | (43) | 13 |
| 1904 |
107 |
2356 | (38) | 33 |
| 1905 |
144 |
2333 | (42) | 14 |
| 1906 |
163 |
2313 | (45) | 11 |
| 1907 |
181 |
2305 | (52) | 7 |
| 1908 |
190 |
2296 | (60) | 0 |
| 1909 |
215 |
2287 | (65) | 0 |
| 1910 |
225 |
2278 | (65) | 0 |
| 1911 |
257 |
2270 | (63) | 0 |
| 1912 |
269 |
2261 | (57) | 9 |
| 1913 |
278 |
2257 | (57) | 9 |
| 1914 |
274 |
2249 | (66) | 0 |
| 1915 |
274 |
2241 | (72) | 0 |
| 1916 |
295 |
2233 | (75) | 0 |
| 1917 |
296 |
2225 | (76) | 0 |
| 1918 |
308 |
2217 | (75) | 0 |
| 1919 |
319 |
2209 | (72) | 0 |
| 1920 |
358 |
2201 | (67) | 0 |
| 1921 |
400 |
2193 | (58) | 11 |
| 1922 |
416 |
2173 | (61) | 0 |
| 1923 |
479 |
2153 | (59) | 7 |
| 1924 |
497 |
2159 | (58) | 0 |
| 1925 |
462 |
2164 | (51) | 22 |
| 1926 |
508 |
2149 | (62) | 0 |
| 1927 |
511 |
2133 | (68) | 0 |
| 1928 |
522 |
2117 | (71) | 0 |
| 1929 |
470 |
2102 | (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 |
| |
