Chiba, Ryou
Current rating: 1573
Record: 19-16-1
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 217 | Nomura, Yosuke (1482) | Lost 0-2 | -211597 |
| 2legacy | 375 | Yamasita, Akira (1426) | Won 2-1 | +151612 |
| 3legacy | 509 | Matsuda, Issei (1564) | Lost 1-2 | -191593 |
| 4legacy | 617 | Zhu, Junfei (1481) | Lost 0-2 | -201573 |
| top | average opponent: 1488record: 1-3 | new rating: 1573 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 5 | Fukuda, Yousuke (1518) | Won 2-1 | +181560 |
| 3standard | 55 | Morita, Masahiko (1919) | Won 2-1 | +241584 |
| 4standard | 87 | Onodera, Ryusuke (1519) | Won 2-0 | +171601 |
| 5standard | 59 | Suzuki, Kyou (1690) | Won 2-1 | +201621 |
| 6standard | 11 | Hirose, Yuuki (1631) | Won 2-1 | +181639 |
| 7standard | 13 | Miyamoto, Hiroya (1604) | Lost 0-2 | -191620 |
| 8standard | 17 | Kikutani, Kou (1597) | Won 2-1 | +181638 |
| 9standard | 11 | Hirashima, Yuutarou (1765) | Lost 1-2 | -161622 |
| 10standard | 29 | Kuo, Tzu-Ching (2027) | Won 2-1 | +251647 |
| 11standard | 13 | Komatsu, Satoshi (1588) | Lost 1-2 | -191628 |
| 12standard | 36 | Tanaka, Hisaya (1794) | Draw 1-1 | +31631 |
| 13standard | 37 | Aka, Shunsuke (1728) | Lost 0-2 | -161615 |
| 14standard | 4 | Murakami, Yuuki (Miyagi) (1812) | Lost 0-2 | -151600 |
| 15standard | 56 | Iwama, Hirokazu (1563) | Won 2-1 | +181618 |
| top | average opponent: 1697record: 8-5-1 | new rating: 1618 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 42 | Mizuno, Akimitsu (1274) | Won 2-1 | +141478 |
| 2extended | 166 | Shimoyamada, Shunichi (1518) | Won 2-1 | +191497 |
| 3extended | 72 | Mihashi, Takanobu (1536) | Lost 0-2 | -171480 |
| 4extended | 264 | Sugaya, Hironobu (1895) | Won 2-1 | +251505 |
| 5extended | 90 | Speed, Erek (1540) | Won 2-0 | +191524 |
| 6extended | 103 | Yagyuu, Hotaka (1555) | Won 2-0 | +181542 |
| 7extended | 63 | Ouchi, Akimasa (1589) | Won 2-1 | +191561 |
| 8extended | 120 | Miyashita, Kazuki (1594) | Lost 1-2 | -171544 |
| 9extended | 47 | Imai, Satoshi (1577) | Won 2-1 | +181562 |
| 10extended | 27 | Suzuki, Ryuuichi (1546) | Lost 0-2 | -181544 |
| 11extended | 48 | Tezuka, Yuuki (1443) | Lost 1-2 | -201524 |
| 12extended | 57 | Tashima, Chihiro (1524) | Won 2-1 | +181542 |
| 13extended | 50 | Terao, Manato (1518) | Won 2-1 | +181560 |
| 14extended | 28 | Hoshino, Hiroki (1605) | Lost 1-2 | -181542 |
| top | average opponent: 1551record: 9-5 | new rating: 1542 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Shinozaki, Yuu (1606) | Lost 1-2 | -161484 |
| 2sealed | 261 | Takahashi, Tsutomu (1482) | Won 2-0 | +181502 |
| 3sealed | 249 | Suzuki, Kenji (1403) | Lost 0-2 | -201482 |
| 4sealed | 234 | Shirasaka, Shingo (1463) | Lost 1-2 | -181464 |
| top | average opponent: 1488record: 1-3 | new rating: 1464 | ||