Ikeda, Kouji
Current rating: 1484
Record: 2-3
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 116 | Taguchi, Yoshihito (1500) | Won 2-0 | +181518 |
| 2sealed | 171 | Uchida, Kensuke (1474) | Lost 0-2 | -191499 |
| 3sealed | 249 | Ono, Ippei (1575) | Won 2-0 | +201519 |
| 4sealed | 174 | Shimoji, Ai (1540) | Lost 0-2 | -181501 |
| 5sealed | 178 | Shibayama, Jun (1551) | Lost 0-2 | -171484 |
| average opponent: 1528record: 2-3 | new rating: 1484 | |||