WPC 2022/Round 12

Duration: 45 minutes. Total point value: 450 points. Round winner: Ken Endo (Japan), 510 points.

Puzzles

Each puzzle (except for the first one) has an additional no-four-in-a-row constraint of some kind.

All puzzles in this round were written by Tom Coward.

TODO add example puzzles

1.	Aqre (Borders), 15 points

2-3.	Tapa, 20+30 points

There may not exist a run of more than three consecutive shaded or unshaded cells horizontally or vertically anywhere in the grid. Clued cells are considered unshaded.

4.	Nurikabe, 35 points

There may not exist a run of more than three consecutive shaded or unshaded cells horizontally or vertically anywhere in the grid. Clued cells are considered unshaded.

5.	Fillomino, 25 points

No region may contain a run of more than three consecutive cells horizontally or vertically.

6-7.	Slitherlink, 35+60 points

There may not exist a run of more than three consecutive cells in a row or column, either all inside or all outside the loop.

8.	Cave, 70 points

There may not exist a run of more than three consecutive shaded or unshaded cells horizontally or vertically anywhere in the grid.

9.	Kuromasu, 30 points

There may not exist a run of more than three consecutive shaded or unshaded cells horizontally or vertically anywhere in the grid.

10.	Shimaguni, 50 points

There may not exist a run of more than three consecutive shaded or unshaded cells horizontally or vertically anywhere in the grid.

11.	Nurimisaki, 40 points

There may not exist a run of more than three consecutive shaded or unshaded cells horizontally or vertically anywhere in the grid.

12.	Mochinyoro, 40 points

There may not exist a run of more than three consecutive shaded or unshaded cells horizontally or vertically anywhere in the grid.