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Tsvetkov, Alexander 
  
 
 
| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1936 | 1006 | 2132 | (56) | 18 |  
  | 1937 | 839 | 2156 | (59) | 0 |  
  | 1938 | 724 | 2180 | (58) | 0 |  
  | 1939 | 573 | 2204 | (52) | 16 |  
  | 1940 | 454 | 2226 | (56) | 0 |  
  | 1941 | 377 | 2248 | (56) | 0 |  
  | 1942 | 302 | 2269 | (49) | 11 |  
  | 1943 | 273 | 2281 | (51) | 4 |  
  | 1944 | 232 | 2296 | (48) | 0 |  
  | 1945 | 212 | 2310 | (36) | 49 |  
  | 1946 | 238 | 2295 | (45) | 2 |  
  | 1947 | 237 | 2272 | (43) | 31 |  
 
Rating table notes
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| Biographical data |  | 
   | Name: Tsvetkov, Alexander Krastev |  | Also known as: Alexander Kristov Tsvetkov |  
   | Born: 7 Oct. 1914 |  
   | Died: |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1936-1940, page 376 |  
   | Di Felice, Chess Results, 1941-1946, page 362 |  
   | Di Felice, Chess Results, 1947-1950, page 481 |  
   | Gaige, Chess Personalia, page 432 |  
   | Skinner and Verhoeven, Alexander Alekhine's Chess Games, page 558, 644 |  | Web |  
   | Bartelski, Wojciech.  [8th Chess Olympiad: Buenos Aires 1939 - Bulgaria] |  
   | Bartelski, Wojciech.  [unofficial Chess Olympiad: Munich 1936 - Bulgaria] |  
   | Verhulst, Nikolaas.  [West-European zonal tournament, Hilversum] |  |  | 
 
 Tournament data 
 
 
| Player information updated: 24 Aug. 2025 |  
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