Hara, Masahiro
Current rating: 1482
Record: 5-6-1
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 3 | Kawano, Mikio (1370) | Won 2-0 | +161515 |
| 2block | 1 | Takakuwa, Akihiro (1753) | Won 2-0 | +221537 |
| 3block | 140 | Kon, Takashi (1537) | Lost 0-2 | -181519 |
| 4block | 182 | Hayashi, Takatomo (1484) | Lost 0-2 | -191500 |
| 5block | 233 | Yazawa, Atsushi (1499) | Lost 1-2 | -181482 |
| average opponent: 1529record: 2-3 | new rating: 1482 | |||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 410 | Kusano, Masayuki (1500) | Won 2-1 | +181518 |
| 2block | 265 | Mishima, Yuuichirou (1518) | Lost 0-2 | -181500 |
| 3block | 351 | Mori, Mitsuhiro (1500) | Won 2-0 | +181518 |
| 4block | 227 | Maeda, Hideki (1518) | Draw 1-1 | 01518 |
| 5block | 281 | Yamamoto, Akimasa (1484) | Lost 0-2 | -191499 |
| 6block | 373 | Suzuki, Ryo (1481) | Won 2-1 | +181517 |
| 7block | 260 | Yamada, Yuuki (1517) | Lost 1-2 | -181499 |
| average opponent: 1503record: 3-3-1 | new rating: 1499 | |||