Ihara, Keita
Current rating: 1393
Record: 6-12
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 357 | Kamada, Yuuki (1394) | Lost 0-2 | -191430 |
| 2sealed | 645 | Uotsu, Atsushi (1378) | Lost 1-2 | -191411 |
| 3sealed | 1138 | Kosaka, Ryohei (1403) | Lost 0-2 | -181393 |
| top | average opponent: 1392record: 0-3 | new rating: 1393 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 231 | Kinugasa, Satoshi (1500) | Won 2-0 | +191486 |
| 2standard | 116 | Sekine, Kiyotaka (1406) | Lost 1-2 | -201466 |
| 3standard | 175 | Miyoshi, Yasufumi (1403) | Won 2-0 | +171483 |
| 4standard | 139 | Yuuki H., (1498) | Lost 0-2 | -171466 |
| 5standard | 219 | Watanabe, Shinji (1527) | Lost 1-2 | -171449 |
| top | average opponent: 1467record: 2-3 | new rating: 1449 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Suezawa, Ryo (1472) | Lost 1-2 | -181446 |
| 2sealed | 150 | Shiroza, Shinichiro (1531) | Won 2-1 | +191465 |
| 3sealed | 163 | Sumikawa, Youhei (1502) | Lost 0-2 | -171448 |
| 4sealed | 167 | Chaen, Masaki (1482) | Won 2-1 | +191467 |
| 5sealed | 180 | Takafuji, Daisuke (1467) | Won 2-1 | +181485 |
| 6sealed | 98 | Sugita, Daichi (1521) | Lost 1-2 | -181467 |
| top | average opponent: 1496record: 3-3 | new rating: 1467 | ||
| Grand Prix Kitakyushu 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 14 | Maruyama, Kentarou (1459) | Lost 1-2 | -191481 |
| 2extended | 82 | Ogata, Atsushi (1499) | Lost 1-2 | -171464 |
| 3extended | 103 | Yorita, Masashi (1471) | Won 2-0 | +181482 |
| 4extended | 118 | Shimizu, Hideaki (1479) | Lost 1-2 | -181464 |
| top | average opponent: 1477record: 1-3 | new rating: 1464 | ||