Kosaka, Yuhei
Current rating: 1445
Record: 0-3
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 181 | Fujihira, Keizou (1446) | Lost 1-2 | -191481 |
| 2sealed | 201 | Tanaka, Tetsu (1482) | Lost 1-2 | -181463 |
| 3sealed | 259 | Nakata, Yusuke (1466) | Lost 1-2 | -181445 |
| average opponent: 1465record: 0-3 | new rating: 1445 | |||