Arai, Junko
Current rating: 1581
Record: 10-5
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Kishishita, Kunihiko (1449) | Won 2-0 | +171550 |
| 2sealed | 70 | Satake, Yoshimori (1518) | Lost 0-2 | -191531 |
| 3sealed | 130 | Tanaka, Yoshinori (1500) | Lost 0-2 | -181513 |
| 4sealed | 155 | Yamane, Masahiro (1483) | Won 2-0 | +171530 |
| 5sealed | 106 | Sumino, Hironori (1433) | Won 2-0 | +161546 |
| 6sealed | 97 | Nakai, Hitoshi (1517) | Won 2-1 | +181564 |
| 7sealed | 43 | Hirakawa, Akito (1535) | Won 2-0 | +171581 |
| average opponent: 1491record: 5-2 | new rating: 1581 | |||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 206 | Ishikawa, Kazuyuki (1500) | Won 2-1 | +181518 |
| 2extended | 100 | Nakamuro, Masaaki (1518) | Won 2-0 | +181536 |
| 3extended | 39 | Hasegawa, Yasunori (1500) | Won 2-1 | +171553 |
| 4extended | 72 | Harino, Takuichi (1500) | Won 2-0 | +171570 |
| 5extended | 30 | Kageyama, Kiyotomo (1518) | Lost 0-2 | -191551 |
| 6extended | 89 | Ito, Akitsugu (1537) | Lost 1-2 | -181533 |
| 7extended | 79 | Yamagami, Yudai (1536) | Lost 1-2 | -181515 |
| 8extended | 122 | Takigawa, Tetsuo (1516) | Won 2-1 | +181533 |
| average opponent: 1516record: 5-3 | new rating: 1533 | |||