Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1922 |
581 |
2162 | (62) | 11 |
| 1923 |
570 |
2176 | (58) | 0 |
| 1924 |
541 |
2190 | (49) | 15 |
| 1925 |
497 |
2206 | (48) | 13 |
| 1926 |
544 |
2200 | (49) | 15 |
| 1927 |
656 |
2172 | (59) | 0 |
| 1928 |
796 |
2145 | (64) | 0 |
| 1929 |
935 |
2117 | (66) | 0 |
| 1930 |
1074 |
2089 | (64) | 8 |
| 1931 |
1143 |
2090 | (71) | 0 |
| 1932 |
1165 |
2091 | (74) | 9 |
Rating table notes
|
| Biographical data |
| Name: Spero, Irving Hersh |
| Born: 15 June 1892 |
| Died: 17 Aug. 1955 |
|
| |
| References |
| Books |
| Di Felice, Chess Results, 1921-1930, page 338 |
| Gaige, Chess Personalia, page 401 |
| Hilbert, Essays in American Chess History, page 209 |
| Thulin, Name index to CTC, page 256 |
| |