| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1939 | 613 | 2193 | (62) | 15 |  
  | 1940 | 534 | 2204 | (66) | 0 |  
  | 1941 | 473 | 2215 | (67) | 0 |  
  | 1942 | 403 | 2225 | (65) | 0 |  
  | 1943 | 368 | 2236 | (59) | 4 |  
  | 1944 | 319 | 2255 | (53) | 0 |  
  | 1945 | 288 | 2273 | (40) | 44 |  
  | 1946 | 282 | 2274 | (55) | 2 |  
  | 1947 | 234 | 2273 | (66) | 3 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Neikirch, Oleg Nikolaev |  | Also known as: Oleg Nikolaevich Neikirkh |  
   | Born: 8 Mar. 1914 |  
   | Died: 26 Aug. 1985 |  |  |  
   | Notes: |  
   | Gaige gives his name as 'Neikirch, Oleg Nikolaev[ich]'. |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1936-1940, page 366 |  
   | Di Felice, Chess Results, 1941-1946, page 352 |  
   | Di Felice, Chess Results, 1947-1950, page 471 |  
   | Gaige, Chess Personalia, page 300 |  | Web |  
   | Bartelski, Wojciech.  [8th Chess Olympiad: Buenos Aires 1939 - Bulgaria] |  
   | [Олег Нейкирх] |  |  |