Watanabe, Takafumi
Current rating: 1518
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 110 | Yanagihara, Hiroki (1474) | Draw 1-1 | -11522 |
| 2sealed | 543 | Takashima, Ryuichi (1373) | Lost 0-2 | -211501 |
| 3sealed | 973 | Miki, Takatoshi (1332) | Won 2-0 | +151516 |
| 4sealed | 764 | Hirano, Satohiro (1589) | Won 2-1 | +201536 |
| 5sealed | 531 | Komatsu, Yuuhei (1549) | Lost 1-2 | -181518 |
| top | average opponent: 1463record: 2-2-1 | new rating: 1518 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 234 | Oda, Katsumi (1326) | Won 2-0 | +161488 |
| 2sealed | 21 | Ogino, Genki (1413) | Won 2-0 | +161504 |
| 3sealed | 150 | Satou, Tsubasa (1723) | Won 2-1 | +221526 |
| 4sealed | 56 | Saito, Daichi (1610) | Won 2-0 | +201546 |
| 5sealed | 107 | Kataoka, Shun (1568) | Lost 1-2 | -181528 |
| 6sealed | 186 | Tanahashi, Masayasu (1777) | Won 2-1 | +221550 |
| 7sealed | 104 | Motomura, Shigeru (1859) | Lost 1-2 | -121538 |
| 8sealed | 256 | Sato, Motohiko (1709) | Lost 1-2 | -151523 |
| top | average opponent: 1623record: 5-3 | new rating: 1523 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Kozaki, Masahiro (1586) | Won 2-0 | +201520 |
| 2sealed | 198 | Ohtsuki, Shinya (1355) | Won 2-0 | +151535 |
| 3sealed | 57 | Okuda, Kosaku (1534) | Lost 0-2 | -181517 |
| 4sealed | 363 | Jelecevic, Jan (1743) | Lost 0-2 | -141503 |
| 5sealed | 607 | Boku, Takashi (1701) | Lost 0-2 | -151488 |
| 6sealed | 810 | Hasebe, Shunichi (1595) | Lost 0-2 | -161472 |
| top | average opponent: 1586record: 2-4 | new rating: 1472 | ||