Saito, Ken
Current rating: 1467
Record: 2-4
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Kaneko, Takaoki (1500) | Lost 0-2 | -181482 |
| 2sealed | 282 | Sato, Hiroki (1482) | Won 2-0 | +181500 |
| 3sealed | 149 | Takeuchi, Hidehito (1472) | Won 2-0 | +171517 |
| 4sealed | 152 | Sugiura, Hiroki (1555) | Lost 0-2 | -171500 |
| 5sealed | 206 | Maruyama, Tomohiro (1625) | Lost 0-2 | -161484 |
| 6sealed | 178 | Tanaka, Yousuke (1535) | Lost 0-2 | -171467 |
| average opponent: 1528record: 2-4 | new rating: 1467 | |||