Ogiwara, Ryoichi
Current rating: 1452
Record: 10-15
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 318 | Okuyama, Sanshirou (1607) | Won 2-0 | +201476 |
| 4pioneer | 143 | Ajitomi, Takeshi (1601) | Won 2-0 | +211497 |
| 5pioneer | 14 | Shiozaki, Toshinori (1903) | Lost 0-2 | -111486 |
| 6pioneer | 197 | Wada, Kazunori (1543) | Lost 1-2 | -171469 |
| 7pioneer | 195 | Mori, Shuichi (1527) | Lost 1-2 | -171452 |
| top | average opponent: 1636record: 2-3 | new rating: 1452 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 134 | Oikawa, Takaaki (1577) | Lost 0-2 | -171492 |
| 3sealed | 783 | Maeda, Hiroki (1449) | Lost 0-2 | -191473 |
| 4sealed | 890 | Saito, Shosuke (1510) | Lost 1-2 | -171456 |
| top | average opponent: 1512record: 0-3 | new rating: 1456 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 472 | Yamamoto, Hiroshi (1555) | Won 2-0 | +191508 |
| 4modern | 194 | Kihara, Atsuki (1813) | Lost 1-2 | -131495 |
| 5modern | 237 | Kamiya, Kazuhiro (1562) | Won 2-0 | +191514 |
| 6modern | 237 | Morinaka, Fuyuki (1698) | Won 2-0 | +221536 |
| 7modern | 172 | Nakamura, Shuhei (2005) | Lost 0-2 | -101526 |
| 8modern | 337 | Suzuki, Akira3942 (1569) | Lost 1-2 | -171509 |
| top | average opponent: 1700record: 3-3 | new rating: 1509 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 751 | Watanabe, Ryohei (1462) | Lost 0-2 | -191465 |
| 2standard | 752 | Nakao, Munenari (1701) | Won 2-1 | +231488 |
| 3standard | 739 | Tamoto, Akihiro (1545) | Won 2-0 | +191507 |
| 4standard | 769 | Baba, Takashi (1546) | Won 2-0 | +181525 |
| 5standard | 462 | Hayashi, Yuhei (1553) | Lost 1-2 | -171508 |
| 6standard | 684 | Tasugi, Keigo (1441) | Lost 1-2 | -191489 |
| top | average opponent: 1541record: 3-3 | new rating: 1489 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 288 | Katoh, Wataru (1363) | Lost 0-2 | -201480 |
| 2legacy | 398 | Yo, Seop Lee (1483) | Won 2-1 | +181498 |
| 3legacy | 524 | Pchelkin, Andrey (1723) | Won 2-1 | +221520 |
| 4legacy | 382 | Landikov, Ilyas (1602) | Lost 0-2 | -171503 |
| 5legacy | 431 | Arakawa, Tomohiro (1429) | Lost 0-2 | -191484 |
| top | average opponent: 1520record: 2-3 | new rating: 1484 | ||