Doiuchi, Yasuhiro
Current rating: 1537
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 157 | Tanikawa, Itaru (1450) | Lost 0-2 | -201557 |
| 3sealed | 197 | Haratake, Noriyuki (1527) | Won 2-1 | +171574 |
| 4sealed | 192 | Wakayama, Shiro (1576) | Lost 1-2 | -181556 |
| 5sealed | 185 | Shiota, Yasuo (1461) | Lost 0-2 | -191537 |
| top | average opponent: 1503record: 1-3 | new rating: 1537 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 183 | Adachi, Shingo (1636) | Won 2-1 | +191622 |
| 3block | 2 | Nakamura, Masanori (1503) | Lost 1-2 | -201602 |
| 4block | 139 | Hakamata, Hiroaki (1517) | Won 2-0 | +161618 |
| 5block | 113 | Adachi, Takatsugu (1601) | Lost 0-2 | -181600 |
| 6block | 204 | Tamai, Katsuyoshi (1492) | Lost 1-2 | -201580 |
| 7block | 209 | Imai, Takashi (1533) | Won 2-1 | +171597 |
| 8block | 146 | Sato, Kazumasa (1500) | Lost 1-2 | -201577 |
| top | average opponent: 1540record: 3-4 | new rating: 1577 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 37 | Okazaki, Yuya (1519) | Won 2-0 | +181518 |
| 5block | 22 | Imura, Kazuo (1537) | Won 2-0 | +191537 |
| 6block | 5 | Noda, Koji (1581) | Won 2-0 | +181555 |
| 7block | 11 | Fujimoto, Tomoya (1523) | Won 2-0 | +181573 |
| 8block | 4 | Suzuki, Kei (1609) | Lost 0-2 | -171556 |
| 9block | 24 | Nakamura, Shuhei (1652) | Won 2-1 | +191575 |
| 10block | 3 | Ogura, Ryou (1580) | Lost 0-2 | -181557 |
| 11block | 22 | Takenaka, Tsuyoshi (1609) | Won 2-1 | +191576 |
| 12block | 17 | Fujita, Kenichi (1731) | Won 2-1 | +211597 |
| 13block | 6 | Itou, Kenshirou (1735) | Lost 0-2 | -151582 |
| 14block | 22 | Kise, Masato (1691) | Won 2-1 | +201602 |
| 15block | 7 | Shibata, Yuki (1632) | Won 2-0 | +181620 |
| 16block | 9 | Ishida, Itaru (1682) | Lost 1-2 | -171603 |
| top | average opponent: 1622record: 9-4 | new rating: 1603 | ||