Puzzle 82384:
Puzzle 82384:
Alexander Chernin - Predrag Nikolic (2330)
18th World U20 ch Skien NOR (5), 1979 Alexander Chernin - Predrag Nikolic (2330)
18th World U20 ch Skien NOR (5), 1979
18th World U20 ch Skien NOR (5), 1979 Alexander Chernin - Predrag Nikolic (2330)
18th World U20 ch Skien NOR (5), 1979