Yamada, Tomotaro
Current rating: 1498
Record: 4-4
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 240 | Haraldsson, Hedinn (1500) | Lost 1-2 | -181482 |
| 2sealed | 238 | Ushiku, Naoki (1482) | Won 2-0 | +181500 |
| 3sealed | 140 | Tsuda, Junichi (1480) | Lost 0-2 | -181482 |
| 4sealed | 236 | Kurosaki, Daiju (1480) | Won 2-0 | +181500 |
| 5sealed | 210 | Kawaguchi, Youhei (1467) | Lost 0-2 | -191481 |
| 6sealed | 189 | Mori, Takashi (1513) | Won 2-1 | +191500 |
| 7sealed | 150 | Ogura, Shigeru (1430) | Lost 0-1 | -201480 |
| 8sealed | 4 | Sakai, Naoko (1488) | Won 2-0 | +181498 |
| average opponent: 1480record: 4-4 | new rating: 1498 | |||