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The 60th Oza was one of the main Go tournaments in 2012. The initial tournament began began on 26 April 2012 and concluded on 13 September 2012 When Iyama Yuta went undefeated. Yuta went on to challenge then Oza title holder, Cho U, defeating him in three rounds between 25 October 2012 and 22 November 2012. [1]
| Round of 16 | Quarter-finals | Semi-finals | Final | |||||||||||
| 26 April | ||||||||||||||
| Mimura Yomoyasu | L | |||||||||||||
| 14 June | ||||||||||||||
| Imamura Toshiya | W+R | |||||||||||||
| Imamura Toshiya | L | |||||||||||||
| 10 May | ||||||||||||||
| Yuki Satoshi | B+6.6 | |||||||||||||
| Cho Chikun | L | |||||||||||||
| 11 August | ||||||||||||||
| Yuki Satoshi | W+R | |||||||||||||
| Yuki Satoshi | L | |||||||||||||
| 17 May | ||||||||||||||
| Iyama Yuta | W+R | |||||||||||||
| Yamada Kimio | B+1.5 | |||||||||||||
| 30 July | ||||||||||||||
| Kiyonari Tetsuya | L | |||||||||||||
| Yamada Kimio | L | |||||||||||||
| 3 May | ||||||||||||||
| Iyama Yuta | B+R | |||||||||||||
| Iyama Yuta | B+R | |||||||||||||
| 13 September | ||||||||||||||
| Kono Rin | L | |||||||||||||
| Hane Naoki | L | |||||||||||||
| 10 May | ||||||||||||||
| Iyama Yuta | W+R | |||||||||||||
| Sakai Hideyuki | W+5.5 | |||||||||||||
| 19 July | ||||||||||||||
| Mochizuki Kenichi | L | |||||||||||||
| Sakai Hideyuki | L | |||||||||||||
| 14 June | ||||||||||||||
| Tsuruyama Atsushi | B+25.5 | |||||||||||||
| Tsuruyama Atsushi | W+11.5 | |||||||||||||
| 20 August | ||||||||||||||
| Yamashita Keigo | L | |||||||||||||
| Tsuruyama Atsushi | L | |||||||||||||
| 3 May | ||||||||||||||
| Hane Naoki | W+R | |||||||||||||
| Kim Sujun | W+R | |||||||||||||
| 26 July | ||||||||||||||
| Yoda Norimoto | L | |||||||||||||
| Kim Sujun | L | |||||||||||||
| 5 July | ||||||||||||||
| Hane Naoki | B+R | |||||||||||||
| Hane Naoki | B+R | |||||||||||||
| Ri Ishu | L | |||||||||||||
| Player | Round 1 | Round 2 | Round 3 | Round 4 | Round 5 |
|---|---|---|---|---|---|
| Date & Location | 25 October, Taipei, Taiwan | 27 October, Taipei Taiwan | 22 November, Kobe, Japan | 3 December, Izunokuni, Japan | 13 December, Yokohama, Japan |
| Cho U (Oza) | |||||
| Yuta Iyama (Honinbo) | W+7.5 | B+R | W+R |
Masao Kato Honorary Oza, also known as Kato Kensei, was a Japanese professional go player. A late bloomer, Kato won 46 titles, including the Oza eight times in a row. He also became the second player to reach 1,200 career wins, behind Rin Kaiho.
Cho Chikun25th HoninboHonorary Meijin is a professional South Korean Go player and a nephew of Cho Namchul. His total title tally of 75 titles is the most in the history of the Japanese Nihon Ki-in. Cho is the first player to hold the top three titles—Kisei, Meijin, and Honinbo—simultaneously which he did for three years in a row. Cho is the first in history to win all of the "Top 7" titles in Japan which he achieved by winning the Oza in 1994. Cho U in 2011 and Iyama Yuta in 2013 would duplicate this feat, both by winning the Kisei. He is also one of the 'Six Supers' Japanese players that were most celebrated in the late twentieth century, along with Rin Kaiho, Otake Hideo, Takemiya Masaki, Kato Masao and his classmate and arch-rival Kobayashi Koichi. He is the author of several books on Go.
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