Harada, Ryoichi
Current rating: 1609
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 104 | Itaya, Tomohisa (1454) | Won 2-1 | +151619 |
| 2pioneer | 291 | Keum, Jinhyuk (1500) | Won 2-1 | +161635 |
| 3pioneer | 174 | Sato, Yusuke (1449) | Won 2-1 | +151650 |
| 4pioneer | 110 | Wang, Shensheng (1672) | Won 2-1 | +181668 |
| 5pioneer | 40 | Wakizaka, Hironari (1701) | Won 2-1 | +191687 |
| 6pioneer | 33 | Fujikura, Akinori (1707) | Won 2-0 | +181705 |
| 7pioneer | 22 | Suganuma, Takayuki (1819) | Lost 1-2 | -161689 |
| 8pioneer | 33 | Honda, Atsuo (1678) | Lost 1-2 | -181671 |
| 9pioneer | 151 | Masui, Norioki (1597) | Lost 0-2 | -191652 |
| 10pioneer | 134 | Imai, Yuutarou (1519) | Lost 0-2 | -211631 |
| 11pioneer | 154 | Egeyama, Tomoki (1548) | Won 2-1 | +171648 |
| 12pioneer | 125 | Nakajima, Ryouma (1587) | Lost 1-2 | -191629 |
| 13pioneer | 128 | Natsume, Takuya (1690) | Won 2-0 | +191648 |
| 14pioneer | 118 | Abe, Masahide (1491) | Lost 0-2 | -211627 |
| 15pioneer | 117 | Ehara, Kouta (1605) | Lost 0-2 | -181609 |
| top | average opponent: 1601record: 8-7 | new rating: 1609 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Kawai, Kentaro (1445) | Lost 0-2 | -191456 |
| 2standard | 439 | Kawajiri, Keito (1482) | Won 2-1 | +191475 |
| 3standard | 603 | Yamada, Satoshi (1469) | Won 2-0 | +181493 |
| 4standard | 592 | Matsushita, Junnya (1755) | Won 2-1 | +221515 |
| 5standard | 205 | Watanabe, Shogo5163 (1601) | Draw 1-1 | +21517 |
| 6standard | 292 | Maki, Hidekazu (1763) | Won 2-1 | +221539 |
| 7standard | 175 | Kosaka, Ryohei (1584) | Won 2-1 | +191558 |
| 8standard | 103 | Ueda, Wataru 7854 (1375) | Won 2-1 | +151573 |
| 9standard | 60 | Maryu, Sotaro (1562) | Lost 0-2 | -181555 |
| 10standard | 119 | Kondo, Shohei (1614) | Won 2-0 | +191574 |
| 11standard | 71 | Hori, Masataka (1803) | Won 2-0 | +221596 |
| 12standard | 48 | Kasai, Takashi (1601) | Lost 0-2 | -181578 |
| 13standard | 72 | Usui, Mitsuru (1796) | Won 2-1 | +221600 |
| 14standard | 48 | Yanaseko, Kentarou (1660) | Won 2-0 | +191619 |
| 15standard | 36 | Tubola, Mark Lawrence (1788) | Lost 1-2 | -151604 |
| top | average opponent: 1620record: 10-4-1 | new rating: 1604 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 196 | Doumoto, Satoru (1531) | Won 2-0 | +191519 |
| 2standard | 149 | Kojima, Yukitaka (1637) | Lost 1-2 | -161503 |
| 3standard | 500 | Lin, Chi Kuan (1485) | Lost 0-2 | -191484 |
| 4standard | 746 | Iwasawa, Fumiya (1744) | Won 2-1 | +231507 |
| 5standard | 567 | Kawamura, Kazushi (1837) | Lost 1-2 | -121495 |
| 6standard | 635 | Yoshikai, Masaki (1408) | Won 2-0 | +161511 |
| 7standard | 513 | Yoshikawa, Yuuki (1523) | Lost 0-2 | -181493 |
| 8standard | 525 | Katsu, Masahiro (1466) | Lost 1-2 | -181475 |
| top | average opponent: 1579record: 3-5 | new rating: 1475 | ||