Tamaki, Ryohei
Current rating: 1434
Record: 4-8-1
| Grand Prix Kobe 2014 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 279 | Yamagata, Hiroki (1500) | Won 2-1 | +201446 |
| 2modern | 211 | Nishiyama, Takahiro (1495) | Lost 0-2 | -171429 |
| 3modern | 443 | Yuasa, Daisuke (1516) | Lost 1-2 | -171412 |
| 4modern | 390 | Yoshida, Shinsuke (1366) | Won 2-1 | +171429 |
| 5modern | 315 | Saitou, Kazuyuki (1648) | Won 2-1 | +221451 |
| 6modern | 281 | Nisii, Tatsuya (1504) | Lost 1-2 | -171434 |
| average opponent: 1505record: 3-3 | new rating: 1434 | |||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 29 | Kawai, Ryousei (1500) | Draw 1-1 | 01500 |
| 2standard | 227 | Yamada, Chiaki (1522) | Lost 0-2 | -181482 |
| 3standard | 316 | Tachibana, Takahiro (1481) | Lost 1-2 | -181464 |
| 4standard | 370 | Amayasu, Kazunori (1434) | Lost 0-2 | -181446 |
| 5standard | 347 | Ichikawa, Yasura (1430) | Lost 1-2 | -181428 |
| 6standard | 306 | Satou, Yuuki (1410) | Won 2-1 | +171445 |
| 7standard | 6 | Yamakawa, Hiroyuki (1400) | Lost 0-2 | -191426 |
| average opponent: 1454record: 1-5-1 | new rating: 1426 | |||