Ito, Masaki
Current rating: 1486
Record: 8-9
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 113 | Bun, Takutoshi (1536) | Won 2-0 | +201483 |
| 2block | 33 | Kawaguchi, Tsukasa (1498) | Won 2-1 | +181501 |
| 3block | 211 | Hasegawa, Taro (1523) | Won 2-0 | +181519 |
| 4block | 110 | Watanabe, Shinji (Okayama) (1555) | Won 2-0 | +191538 |
| 5block | 37 | Yokoi, Takayuki (1537) | Lost 1-2 | -181520 |
| 6block | 136 | Sugimoto, Takahiko (1503) | Lost 1-2 | -181502 |
| 7block | 230 | Taniyama, Shunsuke (1550) | Lost 0-2 | -171485 |
| 8block | 234 | Ohnishi, Koji (1519) | Won 2-0 | +181503 |
| 9block | 165 | Kato, Yukisato (1537) | Lost 0-2 | -171486 |
| average opponent: 1529record: 5-4 | new rating: 1486 | |||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 176 | Kusumoto, Yoji (1500) | Won 2-1 | +181518 |
| 2extended | 41 | Kunishi, Hiroko (1500) | Lost 0-2 | -181500 |
| 3extended | 229 | Yagi, Akira (1481) | Lost 0-2 | -191481 |
| 4extended | 254 | Arai, Satoru (1483) | Won 2-0 | +181499 |
| 5extended | 181 | Toyokawa, Yoshihiro (1499) | Lost 0-2 | -181481 |
| 6extended | 204 | Tanigawa, Ikuyo (1482) | Won 2-0 | +181499 |
| 7extended | 146 | Akiyoshi, Koichi (1500) | Lost 0-2 | -181481 |
| 8extended | 159 | Okita, Kazuya (1481) | Lost 1-2 | -181463 |
| average opponent: 1491record: 3-5 | new rating: 1463 | |||