Obika, Hidetoshi
Current rating: 1519
Record: 2-1-3
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 51 | Takamori, Atsushi (1517) | Draw 0-0 | 01500 |
| 3sealed | 56 | Maki, Hajime (1518) | Won 2-1 | +191519 |
| 4sealed | 30 | Komiya, Tadayoshi (1592) | Won 2-1 | +191538 |
| 5sealed | 15 | Wakuri, Akira (1535) | Lost 0-1 | -181520 |
| 6sealed | 37 | Komatsu, Toshiaki (1536) | Draw 1-1 | 01520 |
| 7sealed | 51 | Wang, Ming Chee (1465) | Draw 1-1 | -11519 |
| average opponent: 1527record: 2-1-3 | new rating: 1519 | |||