Tents
Rules[edit]
Place tents into the empty cells in the grid, at most one tent per cell. Tents may not be in adjacent cells, not even diagonally. There must be the same number of tents and trees. The tents and trees must match up in such a way that each tent is orthogonally adjacent to its own tree. (It is permissible for a tree to be adjacent to a tent that matches with another tree.)
(Rule and example from PGP IB)
History of the puzzle[edit]
Invented by Léon Balmaekers (Netherlands) in 1989. First published on Breinbrekers magazine. Original title (according to LMD wiki) "Alle Ballen Verzamelen" means "collect all balls."
Variants[edit]
Campsite Trail[edit]
Hybrid with Simple Loop. Probably first appeared in 2009 Finnish National Finals.[1]
Normal Tents rules apply. Then draw a loop that visits every cell except for those occupied by trees or tents. The loop moves orthogonally between the centre of cells and does not touch or cross itself.
[edit]
See List of Snake variants#Snake in the Naval Forest.
Appearances in the past WPCs[edit]
- WPC 2019/Round 4 by Roland Voigt
- WPC 2019/Round 9 by Ulrich Voigt
- WPC 2019/Round 10 by Sebastian Matschke
- WPC 2019/World Cup Round 2 by Jürgen Blume-Nienhaus
- WPC 2018/Round 2 by Jiří Hrdina
- WPC 2018/Round 13 by Jan Zvěřina
- WPC 2018/Team Round 3 (Campsite Trail, part of a combination puzzle) by Jiří Hrdina
- WPC 2017/Round 3 by Deb Mohanty
- WPC 2017/Round 10 ("Optimizer") by Deb Mohanty
- WPC 2016/Round 2 by Matúš Demiger
- WPC 2016/Round 16 by Matúš Demiger
- WPC 2015/Round 1 (Cylindrical) by Andrey Bogdanov
- WPC 2015/Round 5 (Snake in the Naval Forest) by Vladimir Portugalov
- WPC 2015/Round 14 (Coded)
- WPC 2014/Round 1
- WPC 2014/Round 2 (Campsite Trail)
- WPC 2014/Round 3
- WPC 2014/Round 11 (Family Tents)
- WPC 2013/Part 4
- WPC 2013/Part 6 (Tents, Doubled Tents)
- WPC 2013/Part 14 (Tents Snake)
- WPC 2012/Part 3 (Friendly Campers)
- WPC 2011/Part 13 (Hexagonal)