| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1939 | 684 | 2176 | (65) | 11 |  
  | 1940 | 650 | 2173 | (67) | 0 |  
  | 1941 | 624 | 2169 | (66) | 0 |  
  | 1942 | 592 | 2166 | (61) | 10 |  
  | 1943 | 484 | 2191 | (67) | 0 |  
  | 1944 | 408 | 2217 | (69) | 0 |  
  | 1945 | 362 | 2243 | (69) | 0 |  
  | 1946 | 295 | 2268 | (67) | 0 |  
  | 1947 | 202 | 2294 | (61) | 15 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Blau, Max |  | Also known as: Maximilian Blau |  
   | Born: 19 Dec. 1918 |  
   | Died: 25 Aug. 1984 |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1936-1940, page 253 |  
   | Di Felice, Chess Results, 1941-1946, page 335 |  
   | Di Felice, Chess Results, 1947-1950, page 453 |  
   | Gaige, Chess Personalia, page 42 |  | Web |  
   | Verhulst, Nikolaas.  [West-European zonal tournament, Hilversum] |  |  |