Hashimoto, Yuu(Ibaraki)
Current rating: 1470
Record: 4-6-1
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Wakayama, Shiro (1500) | Lost 1-2 | -181470 |
| 2sealed | 266 | Itou, Ryousuke (1483) | Lost 0-2 | -181452 |
| 3sealed | 284 | Saida, Toshihiro (1463) | Won 2-1 | +181470 |
| average opponent: 1482record: 1-2 | new rating: 1470 | |||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 78 | Toda, Hirotsugu (1555) | Won 2-1 | +191519 |
| 2block | 125 | Ibamoto, Masami (1631) | Lost 0-2 | -161503 |
| 3block | 237 | Aizawa, Yuuichi (1482) | Won 2-0 | +181521 |
| 4block | 141 | Nakashima, Toshihiko (1501) | Won 2-1 | +171538 |
| 5block | 131 | Takahashi, Keiji (1558) | Draw 0-0 | +11539 |
| 6block | 104 | Sugiki, Takafumi (1689) | Lost 1-2 | -161523 |
| 7block | 177 | Kubota, Kenta (1519) | Lost 0-2 | -181505 |
| 8block | 205 | Goto, Kiyoaki (1521) | Lost 1-2 | -171488 |
| average opponent: 1557record: 3-4-1 | new rating: 1488 | |||