| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1920 | 678 | 2092 | (70) | 7 |  
  | 1921 | 685 | 2111 | (66) | 0 |  
  | 1922 | 659 | 2130 | (59) | 16 |  
  | 1923 | 712 | 2132 | (69) | 0 |  
  | 1924 | 724 | 2134 | (76) | 0 |  
  | 1925 | 740 | 2135 | (80) | 0 |  
  | 1926 | 756 | 2137 | (83) | 0 |  
  | 1927 | 770 | 2138 | (85) | 0 |  
  | 1928 | 791 | 2140 | (85) | 0 |  
  | 1929 | 806 | 2142 | (84) | 0 |  
  | 1930 | 834 | 2143 | (81) | 0 |  
  | 1931 | 884 | 2145 | (77) | 0 |  
  | 1932 | 892 | 2146 | (72) | 0 |  
  | 1933 | 914 | 2148 | (63) | 0 |  
  | 1934 | 912 | 2149 | (51) | 29 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Lopatnikov, Isidor P. |  
   | Born: |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1901-1920, page 272 |  
   | Di Felice, Chess Results, 1931-1935, page 392 |  
   | Thulin, Name index to CTC, page 157 |  | Web |  
   | Popovsky, Alexey.  [Championship of Middle Asia- Tashkent 7-24.9.1934] |  
   | Zakharova, Marina.  [Шахматы в Казахстане: казахи в них играли еще в XII веке] |  |  |