Okker, I.H.




Ratings

Year       Rank    Edo    Dev.   Games 
1925  665  1938 (76) 7
1926  632  1951 (74) 0
1927  573  1963 (70) 6
1928  490  1969 (70) 10

Rating table notes

Biographical data
Name: Okker, I.H.  
Born:
Died:
 
References
Books
   Di Felice, Chess Results, 1921-1930, page 333
   Thulin, Name index to CTC, page 193

Tournament data

Amsterdam 1925 (3)     United Amsterdam Chess Club Winter Tournament - Section 2     1.5  /  7
Amsterdam 1927     United Amsterdam Chess Club Winter Tournament     2  /  6
Amsterdam 1928 (2)     United Amsterdam Chess Club Winter Tournament - Section B     4  /  10


Player information updated: 15 Jan. 2020