Ihara, Kazuki
Current rating: 1412
Record: 4-9
| Grand Prix Kobe 2011 (extended) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 189 | S., Keisuke (1500) | Lost 0-2 | -181465 |
| 2extended | 277 | Shirasaka, Satoshi (1482) | Lost 1-2 | -181447 |
| 3extended | 276 | T., Shuusuke (1465) | Lost 0-2 | -171430 |
| 4extended | 329 | Dugan, Michael (1443) | Lost 0-2 | -181412 |
| average opponent: 1473record: 0-4 | new rating: 1412 | |||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 242 | Shimoda, Tatsuro (1500) | Lost 0-2 | -181482 |
| 2extended | 449 | Ogawa, Tomonari (1481) | Won 2-1 | +181500 |
| 3extended | 177 | Kuze, Shouta (1704) | Lost 0-2 | -141486 |
| 4extended | 463 | Kanekiyo, Ryusuke (1504) | Lost 0-2 | -181468 |
| 5extended | 402 | Ikenuma, Yuuto (1421) | Lost 1-2 | -191449 |
| 6extended | 360 | Kobayashi, Shigehisa (1315) | Won 2-0 | +161465 |
| 7extended | 279 | Kunimoto, Ryuuichi (1418) | Won 2-0 | +171482 |
| 8extended | 181 | Yoshimura, Yutaka (1483) | Won 2-1 | +181500 |
| 9extended | 140 | Shiraishi, Masaharu (1536) | Lost 0-2 | -171483 |
| average opponent: 1485record: 4-5 | new rating: 1483 | |||