Masumoto, Takeshi
Current rating: 1518
Record: 3-2-2
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 174 | Inao, Sumihiro (1500) | Lost 0-2 | -181482 |
| 2block | 235 | Banba, Tsuyoshi (1481) | Won 2-0 | +181500 |
| 3block | 244 | Ikedo, Masakazu (1559) | Lost 0-2 | -171483 |
| 4block | 346 | Deyama, Hirofumi (1440) | Won 2-1 | +171500 |
| 5block | 288 | Harino, Takuichi (1503) | Won 2-0 | +181518 |
| 6block | 158 | Senou, Yoshiyuki (1515) | Draw 1-1 | 01518 |
| 7block | 165 | Takakura, Kentaro (1518) | Draw 1-1 | 01518 |
| average opponent: 1502record: 3-2-2 | new rating: 1518 | |||