Kawaguchi, Yukito
Current rating: 1416
Record: 4-9
| Grand Prix Hiroshima 2003 (extended) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 83 | Mitani, Shinya (1518) | Won 2-0 | +201465 |
| 2extended | 79 | Miyamoto, Satoshi (1481) | Lost 0-2 | -181447 |
| 3extended | 91 | Kaihara, Tomokazu (1499) | Won 2-1 | +191466 |
| 4extended | 117 | Naito, Kazuma (1549) | Lost 0-2 | -171449 |
| 5extended | 146 | Nishikawa, Seigo (1458) | Won 2-1 | +191468 |
| 6extended | 84 | Nogami, Kazuki (1527) | Lost 0-2 | -171451 |
| 7extended | 102 | Kojima, Yoshimasa (1485) | Lost 1-2 | -181433 |
| 8extended | 96 | Nakamuta, Tsukasa (1484) | Lost 1-2 | -171416 |
| average opponent: 1500record: 3-5 | new rating: 1416 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 417 | Motoyama, Kazuhiko (1500) | Lost 1-2 | -181482 |
| 2block | 404 | Komatsubara, Kenichiro (1482) | Lost 0-2 | -181464 |
| 3block | 553 | Furuta, Rikimaru (1464) | Lost 1-2 | -181446 |
| 4block | 614 | Maekawa, Keita (1446) | Won 2-1 | +181464 |
| 5block | 556 | Suzuki, Yoshinao (1431) | Lost 1-2 | -191445 |
| average opponent: 1465record: 1-4 | new rating: 1445 | |||