Osawa, Masahiro
Current rating: 1516
Record: 5-4
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 361 | Umehara, Nozomu (1500) | Won 2-0 | +181518 |
| 2block | 282 | Ikeda, Yasunori (1518) | Won 2-0 | +181536 |
| 3block | 64 | Higono, Naoki (1593) | Lost 0-2 | -171519 |
| 4block | 162 | Sugiyama, Masataka (1518) | Lost 1-2 | -181501 |
| 5block | 343 | Ueno, Mitsuru (Shiga) (1499) | Won 2-1 | +181519 |
| 6block | 287 | Sasaki, Yusuke (Tokyo) (1429) | Won 2-0 | +161535 |
| 7block | 194 | Lee, Kil-Ho (1484) | Won 2-1 | +171552 |
| 8block | 122 | Sakashita, Yuichi (1539) | Lost 1-2 | -181534 |
| 9block | 159 | Oie, Ryuya (1533) | Lost 0-2 | -181516 |
| average opponent: 1513record: 5-4 | new rating: 1516 | |||