15 problems

It's our country Japan's playing style. Apologies if you feel it's weird.

2 problems

2 problems

"Instruction Required" can make the dead position reborn. I want to help the dead problems.

14 problems

4 problems

Problems from my imaginary go book Zelypedia problems Zerogou.

3 problems

97 problems

90 problems

Cho Chikunâ€™s encyclopedia of life and death part second â€“ intermediate problems

764 problems

Cho Chikun's encyclopedia of life and death part first elementary problems

15 problems

41 problems

8 problems

Endgame problems where preventing opponent's sente play is the key consideration.

673 problems

Problems made by the goproblems users themselves, with no book or other players inspiration.

1071 problems

Side based problems. See also "Corner based", "Floating", "Whole Board Positions" and "Giant".

1411 problems

Corner based problems. See also "Side based", "Floating", "Whole Board Positions" and "Giant".

347 problems

Middle based problems. See also "Side based", "Corner based", "Whole Board Positions" and "Giant".

125 problems

Here you can find a problem: find the sequence leading you to victory on 9*9 board.

14 problems

Situations that come from the popular Japanese manga/anime series Hikaru No Go.

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