لغز 421:
لغز 421:
M. De Wachter (2175) - D. Guthrie (2140)
World Juniors Zagan POL (7), 1997.07.21 De Wachter - Guthrie, Zagan 1997
World Juniors Zagan POL (7), 1997.07.21 De Wachter - Guthrie, Zagan 1997
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