Tsumego Hero
  • Yi Kuo

    Yi Kuo is a classical kifu and tsumego book written by Huang Longshi (1651-1700). It was posthumously published in 1710. Go Seigen once commented that Longshi's fighting skill was of 13-dan strength. The problems in this collection are focused mainly on endgame tesujis.

    241 Problems

    Avg. difficulty: 3k