Watanabe, Ryohei
Current rating: 1506
Record: 18-19
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 418 | Hirano, Kosaku (1525) | Won 2-1 | +191485 |
| 2sealed | 309 | Sugimori, Daisuke (1555) | Lost 1-2 | -161469 |
| 3sealed | 810 | Toyoda, Tomoyuki (1503) | Won 2-0 | +181487 |
| 4sealed | 720 | Muramatsu, Yasuhiro (1359) | Won 2-1 | +161503 |
| 5sealed | 360 | Uzuki, Yushi (1529) | Lost 1-2 | -181485 |
| 6sealed | 358 | Fijita, Toru (1521) | Won 2-0 | +191504 |
| 7sealed | 431 | Takawashi, Kenji (1514) | Lost 0-2 | -181486 |
| 8sealed | 371 | Yoshizawa, Kohei (1578) | Won 2-0 | +201506 |
| top | average opponent: 1510record: 5-3 | new rating: 1506 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 686 | Sakai, Kazuya (1500) | Lost 0-2 | -181484 |
| 2modern | 906 | Hiyama, Seiya (1407) | Won 2-0 | +171501 |
| 3modern | 834 | Bae, Daekyeung (1737) | Lost 1-2 | -141487 |
| 4modern | 1118 | Mukai, Shinichi (1414) | Lost 1-2 | -191468 |
| 5modern | 970 | Ichikawa, Yoshiaki (1464) | Won 2-0 | +181486 |
| 6modern | 895 | Amano, Seiichi (1418) | Lost 1-2 | -201466 |
| 7modern | 779 | Nagase, Yoshinobu (1466) | Won 2-1 | +181484 |
| 8modern | 614 | Saito, Shinnosuke (1483) | Lost 1-2 | -181466 |
| top | average opponent: 1486record: 3-5 | new rating: 1466 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 751 | Ogiwara, Ryoichi (1484) | Won 2-0 | +181480 |
| 2standard | 449 | Kai, Masatoshi (1394) | Won 2-1 | +171497 |
| 3standard | 365 | Natsukawa, Makoto (1524) | Lost 0-2 | -181479 |
| 4standard | 585 | Hayashi, Yukari (1419) | Won 2-0 | +171496 |
| 5standard | 377 | Suzuki, Gou (1500) | Won 2-0 | +181514 |
| 6standard | 416 | Teng, Kaiyuan (1430) | Won 2-0 | +171531 |
| 7standard | 286 | Kiwanont, Sukhum (1857) | Won 2-1 | +231554 |
| 8standard | 224 | Maeba, Hideaki (1842) | Lost 1-2 | -131541 |
| 9standard | 148 | Wentao, Qi (1928) | Lost 0-2 | -111530 |
| 10standard | 157 | Yamade, Masato (1536) | Lost 0-2 | -181512 |
| 11standard | 159 | Nitta, Nobuhiro (1517) | Won 2-1 | +181530 |
| 12standard | 119 | Nagano, Keita (1735) | Won 2-1 | +221552 |
| 13standard | 89 | Enomoto, Keisuke (1561) | Lost 0-2 | -181534 |
| 14standard | 131 | Winkler, Josef (1641) | Lost 1-2 | -161518 |
| 15standard | 133 | Hayata, Akira (1630) | Lost 1-2 | -161502 |
| top | average opponent: 1600record: 8-7 | new rating: 1502 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 235 | Tanakajima, Tatsuki (1500) | Lost 1-2 | -181482 |
| 2standard | 1107 | Narita, Yuusuke (1535) | Won 2-0 | +191501 |
| 3standard | 1367 | Suzuki, Futaro (1530) | Lost 0-2 | -181483 |
| 4standard | 1224 | Karita, Toyohisa (1469) | Won 2-0 | +181501 |
| 5standard | 873 | Satou, Shin (1400) | Lost 1-2 | -201481 |
| 6standard | 1067 | Aoki, Toshihito (1398) | Lost 0-2 | -191462 |
| top | average opponent: 1472record: 2-4 | new rating: 1462 | ||