Задача 781: Francesco Simoni - Helpmate |
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781. Francesco Simoni (Italy)
22.12.2016
![]() H#2 3 Sol. (11+13)
1.b3xa2 Qb5 2.g3xh2 Sxf2#
1.b6xa5 Rxa5 2.Sg7 Sxg3# 1.f6xg5 Rxg5 2.Rxd6 Sxc3# Three black pieces are pinned. White unpins one of these in turn, which decides B2 and the mate.
Cyclical double dual avoidance in B2 for direct unpin. Double pin mates with cycle of double pins. (Author) |
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Диян Костадинов
Помощник редактор:
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1.Bd7 g8=Q+ 2.Be6 Qxa8# <...