de Haas, Efraim




Ratings

Year       Rank    Edo    Dev.   Games 
1910  1033  1870 (115) 3
1911  1056  1875 (112) 3
1912  1015  1890 (112) 0
1913  1026  1905 (111) 0
1914  965  1920 (110) 0
1915  878  1936 (109) 0
1916  849  1951 (107) 0
1917  834  1966 (104) 0
1918  826  1981 (101) 0
1919  812  1996 (97) 0
1920  850  2011 (93) 0
1921  891  2027 (87) 0
1922  880  2042 (80) 0
1923  930  2057 (71) 0
1924  917  2072 (59) 20
1925  957  2072 (68) 0
1926  1011  2072 (74) 0
1927  1048  2073 (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