Some 200 life-and-death problems designed and developed by Yang Yilun.
Studying these wonderful and intriguing puzzles, will greatly improve
reading and fighting abilities, and also develop an appreciation for the
beauty of the game. Moreover, you get the opportunity to learn from one
of the..
Advanced level - Problems. Some 200 life-and-death problems designed and
developed by Yang Yilun. Studying these wonderful and intriguing
puzzles, will greatly improve reading and fighting abilities, and also
develop an appreciation for the beauty of the game. Moreover, you get
the opportuni..