Katayama, Naoya
Current rating: 1484
Record: 2-3
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 5 | Ichikawa, Kazuyuki (1499) | Lost 1-2 | -181482 |
| 2sealed | 199 | Muramatsu, Daisuke (1511) | Won 2-0 | +191501 |
| 3sealed | 159 | Kim, Jang-hong (1507) | Lost 0-2 | -181483 |
| 4sealed | 208 | Mizuno, Masahito (1547) | Won 2-0 | +191502 |
| 5sealed | 182 | Takeda, Hiroki (1529) | Lost 1-2 | -181484 |
| average opponent: 1519record: 2-3 | new rating: 1484 | |||