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 greates..
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 opportunity to le..