Hartong, Jan
1st Prize, Problem (Zagreb), 1954-1955
#3
12 + 10
3105 | FIDE Album (1945-1955) | 1964 |
5862 | An ABC of Chess Problems | 1970 |
23 | Die Schwalbe | 2002 |
23 | Die Schwalbe | 2008 |
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