Nedachi, Tatsuya
Current rating: 1538
Record: 10-8
| Grand Prix Yokohama 2012 (modern) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2 | Horie, Yoshiaki (1464) | Lost 0-2 | -181425 |
| 2modern | 523 | Watanabe, Tetsuo (1404) | Won 2-1 | +181443 |
| 3modern | 362 | Nishiyama, Takahiro (1499) | Won 2-0 | +191462 |
| 4modern | 224 | Muneta, Yasutoshi (1518) | Won 2-0 | +191481 |
| 5modern | 184 | Miyazono, Takeshi (1455) | Won 2-0 | +181499 |
| 6modern | 173 | Yonezawa, Musashi (1562) | Won 2-1 | +191518 |
| 7modern | 118 | Fukuda, Yuuki (1551) | Won 2-1 | +181536 |
| 8modern | 20 | Iijima, Yutaka (1594) | Lost 1-2 | -171519 |
| 9modern | 68 | Okamoto, Keita (1531) | Won 2-0 | +191538 |
| average opponent: 1509record: 7-2 | new rating: 1538 | |||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 243 | Hayashi, Masahito (1525) | Lost 0-2 | -181482 |
| 2standard | 355 | Kosuga, Shuhei (1414) | Lost 1-2 | -191463 |
| 3standard | 330 | Shiota, Akihiko (1410) | Lost 1-2 | -191444 |
| 4standard | 414 | Kikuchi, Shou (1446) | Won 2-0 | +181462 |
| 5standard | 373 | Zhao, Tianyu (1453) | Lost 1-2 | -181444 |
| 6standard | 350 | Suzuki, Tomotarou (1428) | Lost 0-2 | -181426 |
| 7standard | 291 | Miyanishi, Makoto (1425) | Won 2-1 | +181444 |
| 8standard | 234 | Suzuki, Tatsuya (1399) | Won 2-0 | +171461 |
| 9standard | 178 | Iwaide, Yoshitaka (1467) | Lost 0-2 | -181443 |
| average opponent: 1440record: 3-6 | new rating: 1443 | |||