"Secundus gradus ad Olympo", new collection of 76 puzzles of Přemysl Zíka. Most levels have a difficulty between 4 and 7 (according to the criterion of P.Z.), and are sorted according to the number of boxes. It stands out above all the level 56 "Nutcracker", of difficulty 10.
This collection is dedicated to his daughter Zdeňka. Website:
• Secundus gradus ad Olympo (76 puzzles, December 2013)