Hayafuji, Takeshi
Current rating: 1517
Record: 4-3-1
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 299 | Ogawa, Satoshi (1500) | Won 2-0 | +181518 |
| 2standard | 129 | Cosic, Refik (1482) | Lost 0-2 | -191499 |
| 3standard | 193 | Matsuo, Takanori (1489) | Lost 1-2 | -181481 |
| 4standard | 394 | Sato, Ayumu (1482) | Draw 1-1 | 01481 |
| 5standard | 346 | Yamada, Yura (1460) | Won 2-0 | +181499 |
| 6standard | 275 | Suzuki, Toshiyuki (1498) | Lost 0-2 | -181481 |
| 7standard | 266 | Hamada, Takahiro (1495) | Won 2-1 | +181499 |
| 8standard | 204 | Yokomizo, Gouki (1491) | Won 2-1 | +181517 |
| average opponent: 1487record: 4-3-1 | new rating: 1517 | |||