Puzzle 287559:
Puzzle 287559:
Miguel Albareda Creus - Viktor Korchnoi
2nd ETCh final Oberhausen GER (1), 1961 Albareda Creus - Korchnoi, Oberhausen 1961
2nd ETCh final Oberhausen GER (1), 1961 Albareda Creus - Korchnoi, Oberhausen 1961