Yagimoto, Ken
Current rating: 1376
Record: 2-9
| Grand Prix Yokohama 2010 (extended) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 256 | Okabe, Gaku (1511) | Lost 0-2 | -171409 |
| 2extended | 345 | Andou, Haruka (1482) | Lost 0-2 | -161393 |
| 3extended | 434 | Aihara, Hironori (1346) | Won 2-0 | +171410 |
| 4extended | 422 | Hattori, Taiki (1482) | Lost 0-2 | -171393 |
| 5extended | 407 | Fukazawa, Shun (1466) | Won 2-0 | +201413 |
| 6extended | 320 | Feng, Qianxin (1463) | Lost 0-1 | -181395 |
| 7extended | 275 | Nishimura, Masaaki (1337) | Lost 0-2 | -191376 |
| average opponent: 1441record: 2-5 | new rating: 1376 | |||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Kadono, Takayuki (1452) | Lost 0-2 | -191481 |
| 2standard | 346 | Shirouzono, Kenshi (1441) | Lost 0-2 | -191462 |
| 3standard | 343 | Kobashi, Motoki (1462) | Lost 0-2 | -181444 |
| 4standard | 378 | Sumii, Hiroyuki (1418) | Lost 1-2 | -181426 |
| average opponent: 1443record: 0-4 | new rating: 1426 | |||