Date of Birth: 
Place of Birth: Taipei
About Cho U
- Cho U (simplified Chinese: ??; traditional Chinese: ??; pinyin: Zhang Xu; Wade–Giles: Chang Hsu; born on 20 January 1980) is a Taiwanese professional Go player.
- He currently ranks 6th in the most titles won by a Japanese professional; his NEC Cup win in 2011 put him past his teacher Rin Kaiho and Norimoto Yoda.
- Cho is the first player in history to have held five of the top seven major titles simultaneously with Iyama Yuta being the second.
- Cho U, Naoki Hane, Keigo Yamashita and Shinji Takao make up the group of players in Japan called the "Four Heavenly Kings".
- His wife is one of Japan's best female go professionals, Izumi Kobayashi, the great Kitani's granddaughter and daughter of Kobayashi Koichi.
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