Aritomo, Taiki
Current rating: 1515
Record: 3-2-1
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 84 | Kitamura, Kensuke (1500) | Lost 1-2 | -181482 |
| 2extended | 113 | Shimizu, Yasuyuki (1427) | Lost 0-2 | -191463 |
| 3extended | 170 | Kamei, Hidenori (1395) | Won 2-0 | +171480 |
| 4extended | 149 | Toda, Satoshi (1482) | Won 2-1 | +181498 |
| 5extended | 114 | Okada, Masami (1486) | Won 2-1 | +181516 |
| 6extended | 93 | Yamaguchi, Tetsuya (1458) | Draw 1-1 | -11515 |
| average opponent: 1458record: 3-2-1 | new rating: 1515 | |||