 Sato Koichi
 Sato Koichi
            Place: ?, Japan
Rating: 2011.99, Std: 401.95, Rank: -
First game: 2002-06-02, Last game: 2004-11-28
Top rating: 2011.99 (2004-11-28)
Games: 15, Wins: 5, Draws: 1, Losses: 9
Gy1: 0, Gy2: 0, Gy5: 0
| 5th Kanto Renju Emperor Tournament - 1st round | ||||
|---|---|---|---|---|
| Date | 2004-11-28 | Rating | 2011.99 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win |  | 2175.88 | 
| 2 | Black | Loss |  | 2147.10 | 
| 7th Mikami Cup - A class | ||||
| Date | 2004-01-25 | Rating | 1998.13 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss |  | 2107.77 | 
| 2 | Black | Win |  | 2106.81 | 
| 3 | White | Win |  | 2033.11 | 
| 4 | Black | Win |  | 2225.42 | 
| 5 | White | Draw |  | 2156.21 | 
| 20th Kanto Shineisen Tournament | ||||
| Date | 2003-09-21 | Rating | 1966.50 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss |  | 2115.74 | 
| 2 | Black | Win |  | 1595.37 | 
| 3 | White | Loss |  | 1887.04 | 
| 4 | White | Loss |  | 2152.01 | 
| 5 | White | Loss |  | 2047.08 | 
| 40th Meijinsen Qualification: East Japan 1st round | ||||
| Date | 2002-06-02 | Rating | 1923.48 | |
| Round | Color | Result | Opponent | |
| 2 | White | Loss |  | 2180.46 | 
| 3 | White | Loss |  | 2210.44 | 
| 4 | White | Loss |  | 1994.25 |