Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1901 |
112 |
2345 | (54) | 10 |
| 1902 |
113 |
2347 | (47) | 13 |
| 1903 |
142 |
2320 | (43) | 13 |
| 1904 |
105 |
2355 | (37) | 33 |
| 1905 |
151 |
2331 | (41) | 14 |
| 1906 |
166 |
2310 | (45) | 11 |
| 1907 |
189 |
2302 | (51) | 7 |
| 1908 |
203 |
2294 | (60) | 0 |
| 1909 |
226 |
2285 | (64) | 0 |
| 1910 |
232 |
2277 | (65) | 0 |
| 1911 |
264 |
2269 | (63) | 0 |
| 1912 |
278 |
2260 | (56) | 9 |
| 1913 |
288 |
2255 | (57) | 9 |
| 1914 |
284 |
2248 | (66) | 0 |
| 1915 |
278 |
2241 | (71) | 0 |
| 1916 |
299 |
2234 | (74) | 0 |
| 1917 |
301 |
2227 | (76) | 0 |
| 1918 |
315 |
2220 | (75) | 0 |
| 1919 |
338 |
2213 | (71) | 0 |
| 1920 |
372 |
2206 | (66) | 0 |
| 1921 |
414 |
2199 | (57) | 11 |
| 1922 |
463 |
2183 | (59) | 0 |
| 1923 |
534 |
2168 | (57) | 7 |
| 1924 |
545 |
2173 | (56) | 0 |
| 1925 |
532 |
2178 | (50) | 22 |
| 1926 |
584 |
2165 | (60) | 0 |
| 1927 |
633 |
2152 | (67) | 0 |
| 1928 |
651 |
2139 | (70) | 0 |
| 1929 |
672 |
2126 | (70) | 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 |
| |
