Komi was 5.5 in the first four editions, and 6.5 in the last six. In the last edition each player had 1 hour time, plus 60 seconds/move. Maybe this was 1 hour plus 30 seconds/move earlier.
The tournaments were knockout tournaments, starting with 32 players (but 16 in the last year). In the last year, the final was a best-of-three match, earlier just a single game. Here we give the finals. More details for each year are given via the link in the first column.
| # | year | winner | opponent | sgf |
|---|---|---|---|---|
| 1 | 1999 | Shinkai Hiroko | Yashiro Kumiko | 1 |
| 2 | 2000 | Kato Tomoko | Aoki Kikuyo | 1 |
| 3 | 2001 | Aoki Kikuyo | Yoshida Mika | 1 |
| 4 | 2002 | Okada Yumiko | Umezawa Yukari | 1 |
| 5 | 2003 | Suzuki Ayumi | Nakazawa Ayako | 1 |
| 6 | 2004 | Shinkai Hiroko | Okada Yumiko | 1 |
| 7 | 2005 | Kobayashi Izumi | Konishi Kazuko | 1 |
| 8 | 2006 | Xie Yimin | Konishi Kazuko | 1 |
| 9 | 2007 | Suzuki Ayumi | Aoki Kikuyo | 1 |
| 10 | 2008 | Kato Keiko | Xie Yimin | 1 2 |
| date | black | white | result | #mv | sgf |
|---|---|---|---|---|---|
| 1999-11-12 | Shinkai Hiroko | Yashiro Kumiko | B+4.5 | 271 | sgf |
| 2000-12-05 | Aoki Kikuyo | Kato Tomoko | W+1.5 | 293 | sgf |
| 2001-12-03 | Aoki Kikuyo | Yoshida Mika | B+R | 175 | sgf |
| 2002-12-16 | Umezawa Yukari | Okada Yumiko | W+8.5 | 255 | sgf |
| 2003-12-22 | Suzuki Ayumi | Nakazawa Ayako | B+11.5 | 305 | sgf |
| 2004-12-07 | Okada Yumiko | Shinkai Hiroko | W+12.5 | 275 | sgf |
| 2005-12-08 | Konishi Kazuko | Kobayashi Izumi | W+3.5 | 287 | sgf |
| 2006-12-25 | Konishi Kazuko | Xie Yimin | W+R | 256 | sgf |
| 2007-11-26 | Aoki Kikuyo | Suzuki Ayumi | W+1.5 | 257 | sgf |
| 2008-08-11 | Xie Yimin | Kato Keiko | W+R | 234 | sgf |
| 2008-08-25 | Kato Keiko | Xie Yimin | B+R | 175 | sgf |