Ricoh Pair Go Cup
Keywords: Tournament
Japanese unofficial Tournament. 32 male and female top professional form 16 mixed pairs and compete in two rounds (swiss system). The pairs with 2 wins are qualified; the pairs with two losses are eliminated. In the third preliminar round (on 9x9 Goban) compete only the remaining 8 teams.
- 1995, 1st: Hashimoto Shoji - Konishi Kazuko
- 1996, 2nd: Kobayashi Koichi - Kobayashi Izumi
- 1997, 3rd: Yuki Satoshi - Chinen Kaori
- 1998, 4th: Honda Kunihisa - Aoki Kikuyo
- 1999, 5th: Honda Kunihisa - Aoki Kikuyo
- 2000, 6th: Tono Hiroaki - Yoshida Mika
- 2001, 7th: Yoda Norimoto - Kusunoki Teruko
- 2002, 8th: Cho Chikun - Kuwabara Yoko
- 2003, 9th: Cho Chikun - Kuwabara Yoko
- 2004, 10th: Yamashita Keigo - Kobayashi Izumi
- 2005, 11st: Mimura Tomoyasu - Aoki Kikuyo
- 2006, 12nd: Cho U - Suzuki Ayumi
- 2007, 13rd: Yamada Kimio - Okada Yumiko
- 2008, 14th: Cho Chikun - Osawa Narumi
- 2009, 15th: Hane Naoki - Kato Keiko
- 2010, 16th: Sakai Hideyuki - Ishii Akane and Takao Shinji - Umezawa Yukari
- 2011, 17th: O Meien - Xie Yimin
- 2012, 18th: O Meien - Xie Yimin
- 2013, 19th: Kobayashi Satoru - Xie Yimin
- 2014, 20th: Iyama Yuta - Yashiro Kumiko