Ono, Teppei
Current rating: 1505
Record: 4-4
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Takemori, Aoi (1487) | Lost 0-2 | -181482 |
| 2sealed | 292 | Ivanovic, Vasilije (1500) | Lost 1-2 | -181464 |
| 3sealed | 310 | Matsuoka, Kazushige (1463) | Won 2-1 | +181482 |
| 4sealed | 256 | Ogawa, Yusuke (1484) | Won 2-1 | +181500 |
| 5sealed | 196 | Kai, Tsubasa (1645) | Won 2-0 | +211521 |
| 6sealed | 135 | Toyota, Kazuhisa (1522) | Lost 1-2 | -181503 |
| 7sealed | 130 | Ueda, Katsuya (1632) | Lost 0-2 | -161487 |
| 8sealed | 42 | Choi, Jung Won (1467) | Won 2-0 | +181505 |
| average opponent: 1525record: 4-4 | new rating: 1505 | |||