de Haas, Efraim




Ratings

Year       Rank    Edo    Dev.   Games 
1910  1035  1873 (115) 3
1911  1056  1878 (112) 3
1912  1021  1893 (112) 0
1913  1023  1908 (111) 0
1914  963  1922 (110) 0
1915  881  1937 (109) 0
1916  851  1952 (107) 0
1917  832  1967 (104) 0
1918  829  1982 (101) 0
1919  812  1997 (97) 0
1920  852  2012 (93) 0
1921  887  2027 (87) 0
1922  884  2042 (80) 0
1923  937  2057 (71) 0
1924  919  2072 (59) 20
1925  960  2072 (68) 0
1926  1012  2072 (74) 0
1927  1048  2072 (77) 6

Rating table notes

Biographical data
Name: de Haas, Efraim  
Born: 28 Nov. 1887
Died: 1943
 
References
Books
   Di Felice, Chess Results, 1901-1920, page 303
   Di Felice, Chess Results, 1921-1930, page 321
   Gaige, Chess Personalia, page 88, 158
   Thulin, Name index to CTC, page 99

Tournament data

Rotterdam 1910     Rotterdam Tournament     1.5  /  3
The Hague 1911     The Hague Tournament     1  /  3
Amsterdam 1924 (1)     Netherlands Championship Tournament     3.5  /  9
Rotterdam 1924 (2)     New Rotterdam Chess Association Tournament     3.5  /  11
The Hague 1927     The Hague Tournament     1.5  /  6


Player information updated: 31 Jan. 2025