Hidato
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Rules[edit]
Enter a number into each empty cell, so that, including the given numbers, all numbers from 1 to X appear exactly once. (X is the number of cells) Consecutive numbers must be placed in horizontally, vertically or diagonally neighbouring cells.
(Rules and example from WPC 2019 IB)
Rule variation[edit]
- Rook Hidato: consecutive numbers can't be placed in diagonally neighbouring cells.
History of the puzzle[edit]
The name, meaning "my puzzle," was given to by Gyora M. Benedek (Israel), in 2007.
The rule itself is quite simple and possibly re-invented many times. Four-direction version has been at least since 1981, where the puzzles were written by Steve Wilson (USA).[1]
Appearances in the past WPCs[edit]
- WPC 2019/World Cup Round 2 by Jürgen Blume-Nienhaus
- WPC 2017/Round 5 (Irregular grid) by Deb Mohanty
- WPC 2016/Round 5 (Hidato, Hexagonal Hidato) by Matúš Demiger