Watanabe, Masao
Current rating: 1394
Record: 25-41-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1300 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 227 | Oshikawa, Akira (1796) | Won 2-1 | +261326 |
| 4pioneer | 174 | Matsubara, Takeyuki (1743) | Won 2-1 | +251351 |
| 5pioneer | 17 | Mimido, Ryuji (1583) | Lost 1-2 | -141337 |
| 6pioneer | 189 | Masukado, Kenta (2088) | Lost 0-2 | -61331 |
| 7pioneer | 337 | Takeuchi, Jun (1702) | Won 2-0 | +241355 |
| 8pioneer | 260 | Ishihara, Jun (1838) | Won 2-0 | +271382 |
| 9pioneer | 158 | Ono, Shoichi (1691) | Lost 1-2 | -131369 |
| 10pioneer | 127 | Arai, Makoto (1538) | Lost 1-2 | -151354 |
| 11pioneer | 149 | Kobayashi, Tetsuro (1686) | Won 2-1 | +241378 |
| 12pioneer | 133 | Sawahata, Atsushi (1627) | Won 2-1 | +221400 |
| 13pioneer | 94 | Tamiya, Hiroki (1618) | Lost 0-2 | -141386 |
| 14pioneer | 121 | Takeda, Hiroshi (1669) | Lost 1-2 | -131373 |
| 15pioneer | 116 | Takada, Narumasa (1525) | Won 2-0 | +211394 |
| top | average opponent: 1700record: 7-6 | new rating: 1394 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1314 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 237 | Iso, Toshiharu (1560) | Won 2-1 | +221336 |
| 4standard | 115 | Yokota, Takuma (1545) | Lost 0-2 | -141322 |
| 5standard | 220 | Foutawekij, Thanachai (1575) | Lost 1-2 | -131309 |
| 6standard | 329 | Habu, Yoshiaki (1487) | Lost 1-2 | -151294 |
| 7standard | 431 | Hashimoto, Keisuke6106 (1474) | Won 2-1 | +211315 |
| 8standard | 404 | Sasaki, Tsuyoshi (1456) | Lost 1-2 | -151300 |
| top | average opponent: 1516record: 2-4 | new rating: 1300 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1281 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 63 | Sakae, Shota (1543) | Won 2-1 | +221303 |
| 4standard | 38 | Ozaki, Kei (1586) | Lost 1-2 | -121291 |
| 5standard | 149 | Shen, Po Chuan (1587) | Won 2-1 | +231314 |
| 6standard | 43 | Chang, Samuel (1492) | Won 2-1 | +211335 |
| 7standard | 33 | Sun, Chuan (1890) | Lost 0-2 | -91326 |
| 8standard | 85 | Ong, Simon (1664) | Lost 1-2 | -121314 |
| top | average opponent: 1627record: 3-3 | new rating: 1314 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1312 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 304 | Sakamoto, Ryota (1432) | Lost 1-2 | -161296 |
| 3modern | 723 | Takade, Keita (1499) | Won 2-0 | +221318 |
| 4modern | 529 | Takahashi, Eiji (1697) | Won 2-0 | +241342 |
| 5modern | 264 | Furuta, Akira (1537) | Lost 1-2 | -141328 |
| 6modern | 669 | Shibayama, Hayato (1344) | Lost 0-2 | -181310 |
| 7modern | 652 | Tanaka, Tarou (1515) | Lost 1-2 | -141296 |
| 8modern | 643 | Tanaka, Satosi (1460) | Lost 1-2 | -151281 |
| top | average opponent: 1498record: 2-5 | new rating: 1281 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1349 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 99 | Watanabe, Takefumi (1554) | Lost 0-2 | -141335 |
| 3standard | 573 | Matsuzaki, Eiji (1439) | Won 2-0 | +191354 |
| 4standard | 604 | Inazawa, Ryo (1544) | Won 2-1 | +221376 |
| 5standard | 375 | Yoshioka, Hideki (1471) | Lost 0-2 | -161360 |
| 6standard | 382 | Li, Youchen (1465) | Lost 1-2 | -161344 |
| 7standard | 535 | Setsompop, Mingrerk (1487) | Lost 0-2 | -161328 |
| 8standard | 498 | Kubozono, Yuta (1428) | Lost 1-2 | -161312 |
| top | average opponent: 1484record: 2-5 | new rating: 1312 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1396 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 229 | Nakajima, Takanori (1491) | Lost 0-2 | -161380 |
| 3standard | 664 | Ejima, Kazuki (1513) | Lost 1-2 | -161364 |
| 4standard | 825 | Motoya, Toru (1503) | Lost 1-2 | -151349 |
| top | average opponent: 1502record: 0-3 | new rating: 1349 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1420 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 371 | Tanaka, Nobuaki (1426) | Won 2-1 | +181438 |
| 2sealed | 587 | Taki, Yoshikazu (1462) | Won 2-1 | +191457 |
| 3sealed | 466 | Takano, Kodai (1589) | Lost 0-2 | -161441 |
| 4sealed | 610 | Morita, Akira (1570) | Lost 0-2 | -151426 |
| 5sealed | 694 | Takeda, Hiroshi (1465) | Lost 0-2 | -181408 |
| 6sealed | 761 | Furuuchi, Yusuke (1489) | Won 2-0 | +201428 |
| 7sealed | 654 | Fujii, Takehiro (1521) | Lost 0-2 | -171411 |
| 8sealed | 524 | Kasahara, Takuya (1568) | Lost 1-2 | -151396 |
| top | average opponent: 1511record: 3-5 | new rating: 1396 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2107 | Arahata, Yuusuke (1500) | Lost 0-2 | -181498 |
| 2sealed | 2317 | Hunada, Eiichi (1482) | Lost 0-2 | -181480 |
| 3sealed | 2485 | Takizawa, Shunya (1428) | Won 2-1 | +171497 |
| 4sealed | 2414 | Tanaka, Keita (1447) | Lost 0-2 | -191478 |
| 5sealed | 2359 | Matsushima, Naoki (1356) | Won 2-0 | +161494 |
| 6sealed | 2292 | Yamashita, Kohji (1186) | Lost 0-2 | -241470 |
| 7sealed | 2250 | Yu, Yin (1666) | Lost 1-2 | -141456 |
| 8sealed | 2191 | Yoshizawa, Keita (1465) | Lost 1-2 | -181438 |
| 9sealed | 2145 | Jones, Eric (1449) | Lost 1-2 | -181420 |
| top | average opponent: 1442record: 2-7 | new rating: 1420 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Kajita, Yuuki (1445) | Lost 1-2 | -191481 |
| 2sealed | 130 | Okamoto, Takaki (1482) | Won 2-0 | +181499 |
| 3sealed | 135 | Hanawa, Atsushi (1430) | Won 2-1 | +171516 |
| 4sealed | 96 | Otani, Hiroaki (1519) | Draw 1-1 | 01516 |
| 5sealed | 98 | Michiwaki, Teruyoshi (1519) | Lost 1-2 | -181498 |
| 6sealed | 122 | Okazaki, Yoshihiko (1490) | Won 2-1 | +181516 |
| 7sealed | 87 | Shimada, Hiroya (1539) | Lost 0-2 | -181498 |
| 8sealed | 85 | Fujimoto, Takehiro (Hyogo) (1515) | Won 2-0 | +181516 |
| top | average opponent: 1492record: 4-3-1 | new rating: 1516 | ||