255 problems

Try to connect stones.

Irregular board
161 problems

Problems on an unusually shaped board.

137 problems

Cut your opponent's stones.

75 problems

At least one axis of symmetry.

Handicap Game
71 problems

5x5 Endgames
35 problems

Endgame problems from 5x5 boards.

13*13 Games
27 problems

6x6 Endgames
20 problems

Endgames problems on 6x6 boards.

Irregular rules
13 problems

Used useless rules but it's a joke:)

Spiral Ladder
12 problems

Notch Group
8 problems

2nd line groups with a "notch".

5 problems

Problem of yosihiro

4 problems

Good and bad style
2 problems

Avoid vulgar style.

Hiraki (Extension)
2 problems

What is the correct extension?

Nadare Joseki
2 problems

Avalanche Patterns

Problems in collection 2-2 Crosscut
ID Genre Author Difficulty Stars Flagged Created