Muraki, Hirohito
Current rating: 1468
Record: 3-5
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 242 | Naito, Takayoshi (1565) | Won 2-1 | +191519 |
| 2block | 156 | Suzuki, Shirou (1481) | Lost 0-2 | -191500 |
| 3block | 253 | Uchida, Kensuke (1469) | Lost 1-2 | -181482 |
| 4block | 344 | Kawai, Katsuya (1480) | Lost 0-2 | -181464 |
| 5block | 315 | Kiyotaki, Masahiro (1464) | Won 2-0 | +181482 |
| 6block | 283 | Kobashi, Motoki (1469) | Won 2-1 | +181500 |
| 7block | 210 | Azuma, Motokiyo (1722) | Lost 0-2 | -141486 |
| 8block | 228 | Hara, Hirohide (1482) | Lost 1-2 | -181468 |
| average opponent: 1517record: 3-5 | new rating: 1468 | |||