Matsumoto, Ryohei
Current rating: 1467
Record: 12-16
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 138 | Maeda, Hinata (1516) | Won 2-1 | +201463 |
| 2pioneer | 236 | Umehara, Kei (1649) | Lost 0-2 | -151448 |
| 3pioneer | 496 | Otsu, Shuhei (1434) | Won 2-0 | +181466 |
| 4pioneer | 229 | Nagao, Naoki (1555) | Lost 0-2 | -171449 |
| 5pioneer | 418 | Kawa, Hirokazu (1285) | Lost 0-2 | -211428 |
| 6pioneer | 539 | Ishikawa, Ryota (1476) | Won 2-0 | +191447 |
| 7pioneer | 398 | Oosaki, Masakazu (1530) | Won 2-0 | +201467 |
| top | average opponent: 1492record: 4-3 | new rating: 1467 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 40 | Cheng, Ting Hin (1710) | Lost 1-2 | -131395 |
| 4standard | 560 | Zhu, Jia Nan (1503) | Lost 1-2 | -161379 |
| 5standard | 715 | Sakuta, Ryosuke (1474) | Won 2-0 | +201399 |
| 6standard | 356 | Kung, Lam Yan (1534) | Won 2-1 | +201419 |
| 7standard | 227 | Ohtsu, Minami (1570) | Won 2-1 | +211440 |
| 8standard | 285 | Furujou, Takashi (1338) | Won 2-1 | +161456 |
| 9standard | 171 | Asazuma, Haruki (1522) | Won 2-0 | +201476 |
| 10standard | 100 | Kobayashi, Chiaki (1651) | Lost 1-2 | -151461 |
| 11standard | 159 | Kai, Masatoshi (1490) | Lost 0-2 | -181443 |
| top | average opponent: 1532record: 5-4 | new rating: 1443 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 412 | Yamauchi, Toru (1500) | Lost 0-2 | -171441 |
| 2sealed | 817 | Nakamura, Kousuke (1569) | Lost 1-2 | -161425 |
| 3sealed | 1142 | Sato, Ryuji (1467) | Lost 1-2 | -171408 |
| top | average opponent: 1512record: 0-3 | new rating: 1408 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 457 | Hirata, Koutatsu (1618) | Lost 0-2 | -151440 |
| 2legacy | 614 | Sakai, Arata (1417) | Lost 1-2 | -191421 |
| 3legacy | 1029 | Nozaki, Tatsuya (1463) | Won 2-1 | +191440 |
| 4legacy | 1043 | Toyohara, Eisuke (1392) | Lost 0-2 | -191421 |
| 5legacy | 1077 | Nisimoto, Takuo (1418) | Won 2-0 | +181439 |
| 6legacy | 999 | Sugiura, Toshitaka (1484) | Won 2-1 | +191458 |
| top | average opponent: 1465record: 3-3 | new rating: 1458 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 6 | Vidugiris, Gaudenis (1783) | Lost 0-2 | -131487 |
| 5sealed | 47 | Kitamoto, Hiroki (1614) | Lost 0-2 | -161471 |
| 6sealed | 102 | Nakao, Munenari (1561) | Lost 1-2 | -161455 |
| top | average opponent: 1652record: 0-3 | new rating: 1455 | ||