IGS World Rapid Championship
(パンダネット プロアマオープン インターネット世界囲碁選手権) The Pandanet World Open Internet Rapid Go Championship was a one-off international tournament, primarily played online on IGS. Registration was open for anyone with an IGS account. Set up as a huge knockout tournament, professional players began to be phased in during the third round. Sponsored by the Nihon Ki-in, the Kansai Ki-in, the Japan Pair-Go Association, the Zhongguo Qiyuan, and IGS. Top prize was three million yen.
The tournament began on January 29, 2005. The final eight players were invited to Tokyo to play out the final three rounds on April 16 and 17, 2005.
The Internet games have a time limit of 1 minute main time plus 25 moves in 10 minutes overtime. The face-to-face games have a time limit of 30 seconds per move and ten 1-minute periods of additonal time. Komi is 6.5.
Full results can be found at IGS-Pandanet. The results from the third round on can also be found at Gobase.org.
Note--dates shown below are when most of the games in a round were played. Some games were played earlier or later than others.
Fifth Round--IGS-Pandanet, March 19, 2005
O Rissei 1-0 backwards? Chen Jia 1-0 Ono Koji Hane Naoki 1-0 Minematsu Masaki Sakai Hideyuki 1-0 Crespo? Kobayashi Koichi 1-0 Kitano Ryo Lin ChinHan? 1-0 Katsuma Shiro Mimura Tomoyasu 1-0 Murakawa Daisuke Yamashiro Hiroshi 1-0 NuoNuo? Nakano Hironari 1-0 S1? RoseDuke 1-0 Sasaki Tsuyoshi Kurotaki Masaki 1-0 Takekiyo Isamu Kono Rin 1-0 Takemiya Yoko Nakano Yasuhiro 1-0 Michael Redmond So Yokoku 1-0 Cho Sonjin Zhou Jun Xun 1-0 Song Li? Takao Shinji 1-0 Aoki Shinichi
Sixth Round--IGS Pandanet, April 2, 2005
Nakano Hironari 1-0 Takao Shinji Hane Naoki 1-0 Mimura Tomoyasu Yamashiro Hiroshi 1-0 Kurotaki Masaki Kono Rin 1-0 RoseDuke Zhou Jun Xun 1-0 Chen Jia Kobayashi Koichi 1-0 Nakano Yasuhiro Sakai Hideyuki 1-0 Lin ChinHan? So Yokoku 1-0 O Rissei
Quarterfinals--Pandanet Tokyo Headquarters, April 16, 2005
Kono Rin 1-0 So Yokoku Hane Naoki 1-0 Zhou Jun Xun Kobayashi Koichi 1-0 Sakai Hideyuki Nakano Hironari 1-0 Yamashiro Hiroshi
Semifinals--Pandanet Tokyo Headquarters, April 16, 2005
Kobayashi Koichi 1-0 Nakano Hironari Hane Naoki 1-0 Kono Rin
Finals--Pandanet Tokyo Headquarters, April 17, 2005
Hane Naoki 1-0 Kobayashi Koichi