Hosoyama, Takashi
Current rating: 1505
Record: 5-5-4
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 59 | Sano, Fumihiko (1545) | Draw 1-1 | +11482 |
| 3block | 150 | Ito, Yoshimasa (1532) | Won 2-1 | +191501 |
| 4block | 89 | Chou, Takayuki (1566) | Draw 1-1 | +11502 |
| 5block | 167 | Ogo, Yoshinori (1539) | Won 2-0 | +191521 |
| 6block | 102 | Miyaoi, Tomoyuki (1553) | Lost 0-2 | -171504 |
| 7block | 163 | Ohige, Tatsuya (1501) | Won 2-0 | +181522 |
| 8block | 113 | Someya, Yu (1596) | Lost 1-2 | -171505 |
| average opponent: 1547record: 3-2-2 | new rating: 1505 | |||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 11 | Nakajima, Chikara (1434) | Draw 1-1 | -11499 |
| 3extended | 131 | Goto, Muneharu (1518) | Draw 1-1 | 01499 |
| 4extended | 217 | Tanaka, Ryou (1518) | Won 2-1 | +181517 |
| 5extended | 144 | Hidaka, Ayumi (1494) | Lost 0-2 | -181499 |
| 6extended | 192 | Sakakuchi, Takashi (1517) | Won 2-0 | +181517 |
| 7extended | 136 | Yamaoka, Nobuyuki (1501) | Lost 1-2 | -181499 |
| 8extended | 148 | Nakamura, Masato (1507) | Lost 0-2 | -181481 |
| average opponent: 1498record: 2-3-2 | new rating: 1481 | |||