Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1901 |
120 |
2334 | (54) | 10 |
| 1902 |
119 |
2334 | (46) | 14 |
| 1903 |
155 |
2310 | (42) | 13 |
| 1904 |
108 |
2347 | (37) | 33 |
| 1905 |
149 |
2323 | (41) | 14 |
| 1906 |
177 |
2303 | (45) | 11 |
| 1907 |
197 |
2295 | (51) | 7 |
| 1908 |
215 |
2287 | (60) | 0 |
| 1909 |
238 |
2279 | (64) | 0 |
| 1910 |
242 |
2271 | (65) | 0 |
| 1911 |
271 |
2263 | (63) | 0 |
| 1912 |
283 |
2254 | (56) | 9 |
| 1913 |
291 |
2250 | (57) | 9 |
| 1914 |
283 |
2243 | (66) | 0 |
| 1915 |
279 |
2236 | (71) | 0 |
| 1916 |
300 |
2229 | (74) | 0 |
| 1917 |
300 |
2223 | (75) | 0 |
| 1918 |
316 |
2216 | (74) | 0 |
| 1919 |
335 |
2209 | (71) | 0 |
| 1920 |
376 |
2202 | (66) | 0 |
| 1921 |
408 |
2195 | (57) | 11 |
| 1922 |
458 |
2181 | (59) | 0 |
| 1923 |
534 |
2166 | (57) | 7 |
| 1924 |
545 |
2171 | (56) | 0 |
| 1925 |
540 |
2176 | (49) | 22 |
| 1926 |
592 |
2164 | (60) | 0 |
| 1927 |
640 |
2151 | (66) | 0 |
| 1928 |
673 |
2138 | (69) | 0 |
| 1929 |
714 |
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 |
| |
