Graf, Sonja




Ratings

Year       Rank    Edo    Dev.   Games 
1932  1142  2088 (72) 2
1933  1111  2101 (57) 12
1934  1106  2107 (40) 28
1935  1050  2130 (33) 38
1936  977  2137 (31) 48
1937  1001  2122 (29) 74
1938  983  2126 (40) 0
1939  892  2130 (34) 54
1940  893  2106 (38) 15
1941  841  2110 (37) 32
1942  795  2103 (39) 28
1943  731  2107 (47) 0
1944  706  2111 (45) 16
1945  769  2096 (45) 19
1946  794  2075 (53) 13

Rating table notes

Biographical data
Name: Graf, Sonja  
   Also known as: Mrs. Sonia Graf-Stevenson; Mrs. Vernon Stevenson; Susanna Graf
Born: 12 Dec. 1908
Died: 6 Mar. 1965
 
Notes:
Gaige has date of birth 16-12-1914. However, a web article by Michael Negele (based on research by Alfred Schattman and Willibald Müller) shows convincing evidence that she was born 12-12-1908. Tanner also has year of birth 1908.
 
References
Books
   Di Felice, Chess Results, 1931-1935, page 384
   Di Felice, Chess Results, 1936-1940, page 355
   Di Felice, Chess Results, 1941-1946, page 342
   Gaige, Chess Personalia, page 147
   Tanner, Vera Menchik, page 294, 313
Web
   introuble2.  [Sonja Graf... the early years]
   Negele, Michael.  [Life story of female prodigy Sonja Graf-Stevenson]
   Weeks, Mark.  [World Chess Championship (Women) 1927-39 Title Tournaments]
Match data  (f=formal; c=casual; s=soft)

Graf, Ms. S. - Muller, Ms. J. 1931         (f)     3   -   0
Graf, Ms. S. - Ehlers-Giesecke, Ms. 1933 (1)         (f)     5.5   -   0.5
Olland, A.G. - Graf, Ms. S. 1933         (f)     1   -   1
Graf, Ms. S. - Ehlers-Giesecke, Ms. 1933 (2)         (f)     2   -   2
Menchik, Ms. V.F. - Graf, Ms. S. 1934         (f)     3   -   1
Heuacker, P. - Graf, Ms. S. 1934         (f)     6   -   0
Graf, Ms. S. - O'Hanlon, J.J. 1935         (f)     2.5   -   2.5
Graf, Ms. S. - Watkinson, A.P. 1935         (f)     3   -   0
Graf, Ms. S. - van Foreest, A.E. 1936         (f)     1.5   -   0.5
Graf, Ms. S. - Puigcercos, Ms. M. 1936         (f)     3   -   1
Graf, Ms. S. - Roodzant, Ms. C. 1937         (f)     3.5   -   0.5
Menchik, Ms. V.F. - Graf, Ms. S. 1937         (f)     11.5   -   4.5
Graf, Ms. S. - Heemskerk, Ms. F. 1939         (f)     4   -   0
Graf, Ms. S. - Roodzant, Ms. C. 1939         (f)     3   -   1

Tournament data

Munich 1932 (2)     13th Bavarian Chess Federation Congress - Women's Tournament     6.5  /  8
Amsterdam 1934 (4)     VAS Easter Tournament - Section 2     2  /  3
Munich 1934     Munich Championship     6  /  15
Hastings 1935 (3)     15th Hastings Christmas Congress - Major A, Section 1     3.5  /  9
Margate 1935 (3)     Margate Premier Reserves, Preliminary Group B     3  /  5
Margate 1935 (5)     Margate Premier Reserves - Final A     2.5  /  5
Yarmouth 1935 (3)     28th British Chess Federation Congress - Major Open Tournament     5  /  11
Hastings 1936 (3)     16th Hastings Christmas Congress - Premier Reserves, Section 2     2.5  /  9
Margate 1936 (3)     Margate Premier Reserves B     4  /  9
Semmering 1936     International Ladies Tournament     10.5  /  11
Nottingham 1936 (2)     Nottingham Major Open A     5  /  10
Utrecht 1936     Utrecht Club 50th Anniversary - Honour Group     2  /  3
Hastings 1937 (2)     17th Hastings Christmas Congress - Premier Reserves, Section 1     3.5  /  9
Vienna 1937 (2)     S.R. Wolf Memorial Tournament     5  /  11
Margate 1937 (3)     Margate Premier Reserves - Section B     3.5  /  9
Prague 1937 (1)     Prague International Tournament     2.5  /  11
Stockholm 1937 (4)     Women's World Championship     9  /  14
Amsterdam 1939 (1)     Amsterdam Tournament     2  /  5
Margate 1939 (4)     Margate Premier Reserves C     6  /  11
Buenos Aires 1939 (5)     Women's World Championship     16  /  19
Buenos Aires 1939 (8)     Buenos Aires Tournament     2.5  /  11
Buenos Aires 1940 (3)     19th Argentine Championship - Challenger's Selection Tournament     3.5  /  15
Mar del Plata 1941     Mar del Plata Tournament     2.5  /  17
Buenos Aires 1941 (2)     Circulo de Ajedrez Tournament     6  /  15
Mar del Plata 1942     Mar del Plata Tournament     3.5  /  17
Rosario 1942 (1)     Newell's Old Boys Club Tournament     4.5  /  11
La Plata 1944     La Plata Tournament     4.5  /  16
Buenos Aires 1945 (2)     Club Argentino Tournament     6.5  /  19
Parana 1946     Parana Tournament     4.5  /  13

Player information updated: 20 Sept. 2025