Cho U took revenge for his failed defense of Meijin title against Iyama in 2009 when he lost 1-4.
The sixth game was played in Yamanashi Prefecture on 10 and 11 March. Cho U (Black) won by 1.5 points and succeeded in defending Kisei title.
Now Cho U has got 35th title which is 6th rank as Rin Kaiho and Yoda Norimoto.
The 35th Kisei Title Match
||Game 1 (13, 14 January). Iyama (B) by resignation.
Game 2 (26, 27 January). Cho U (B) by resignation.
Game 3 (2, 3 February). Iyama (B) by resignation.
Game 4 (17, 18 February). Cho U (B) by half point.
Game 5 (24, 25 February). Cho U (W) by 2.5 points.
Game 6 (14, 15 March). Cho U (B) by 1.5 points.
Cho U defeated Iyama Yuta
|Cho U KISEI 4 ― 2 Iyama Yuta challenger
||13, 14 Jan.
||Iyama (B) won by resig
||26, 27 Jan.
|| Cho （B） won by resig
||2, 3 Feb
||Iyama (B) won by 1.5
||17, 18 Feb
||Cho （B） won by 0.5
||24, 25 Niigata
||Cho （W） won by 2.5
||10, 11 March
||Cho （B） won by 1.5
||16, 17 March
The first senior tournament, Go Master's Cup, has been launched in February 2011.
Qualification: 50 years or older at age with 7 major title holder or past 7 major title holder.
Tournament Type：Knock Out Tournament
Prize for Winner：5million Japanese Yen
Time allowance：2 hours
Participants: Ishida Yoshio, Rin Kaiho, Otake Hideo, Cho Chikun, Takemiya Masaki, Kobayahsi Koichi, Kobayashi Satoru, O Risei, Kataoka Satoshi, Kudo Norio, Hane Yasumasa
Result in the first round:
Rin Kaiho (W), Honorary Tangen, beat Kudo Norio, past Tengen and Oza title holder, by resignation.
Kataoka Satoshi (W), past Tengen holder, beat Hane Yasumasa, past Oza title holder, by resignation.
Kobayashi Satoru (B), past Kisei title holder, beat O Risei, past Kisei title holder, by resignation.
Xie Yimin has successfully completed her defence of her triple crown of Women's titles. In the 14th DoCoMo Cup Women's Kisei title match, she rebuffed the challenge of Umezawa Yukari 5-dan who attempted to regain the title she lost to Xie last year with straight wins.
She has got tie women's record 10 th titles.
|Title Match (Shei Imin 2-0 Umezawa Yukari)
||TV Program : Feb. 9
||Shei (W) won by 9.5
||TV Program : Feb. 16
||Shei (B) won by resign
||TV Program : Feb. 23
The final round of NEC Cup 2011 was held in the Nihon Ki-in on 5th March 2011.
Cho U (W) beat Yamashita by resignation. Yamashita could not win his first NEC Cup title.
The 30th NEC Cup Tournament
The final of Ricoh Cup Professional Pair Go Championship 2011 was held in the Nihon Ki-in on 29th January 2011.
Xie Yimin and O Meien (B) beat Suzuki Ayumi and Yuki Satoshi by half a point.