Watanabe, Hiroyuki
Current rating: 1542
Record: 20-19-2
| Grand Prix Kobe 2014 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 838 | Nakahara, Yoshihiro (1463) | Won 2-0 | +181498 |
| 2modern | 965 | Maruo, Yuuta (1679) | Won 2-1 | +211519 |
| 3modern | 712 | Tada, Shunsuke (1537) | Won 2-0 | +191538 |
| 4modern | 727 | Nishikawa, Haruyoshi (1517) | Won 2-1 | +171555 |
| 5modern | 715 | Chen, Yang (1471) | Lost 1-2 | -191536 |
| 6modern | 783 | Singh, Devsharan (1602) | Won 2-0 | +191555 |
| 7modern | 782 | Yoshida, Kei (1577) | Won 2-1 | +181573 |
| 8modern | 729 | Yasuda, Masayuki (1887) | Lost 1-2 | -121561 |
| 9modern | 740 | Hayakawa, Sho (1540) | Lost 1-2 | -191542 |
| top | average opponent: 1586record: 6-3 | new rating: 1542 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 95 | Hirabayashi, Ryuta (1464) | Lost 0-2 | -171411 |
| 2sealed | 263 | Ito, Mizuki (1482) | Lost 1-2 | -171394 |
| 3sealed | 275 | Isomoto, Hirofumi (1559) | Won 2-0 | +211415 |
| 4sealed | 246 | Tsuchiya, Heinrich (1589) | Won 2-0 | +211436 |
| 5sealed | 172 | Koenigstein, Markus (1511) | Won 2-1 | +191455 |
| 6sealed | 144 | Yamamoto, Kentaro (1690) | Won 2-1 | +231478 |
| 7sealed | 91 | Sakai, Yuuto (1580) | Won 2-0 | +191497 |
| 8sealed | 2 | Tanaka, Ryota (1549) | Lost 1-2 | -171480 |
| top | average opponent: 1553record: 5-3 | new rating: 1480 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 33 | Masuno, Ryosuke (1464) | Won 2-0 | +181491 |
| 2standard | 13 | Kou, Nobuaki (1515) | Won 2-0 | +181509 |
| 3standard | 111 | Ibamoto, Masami (1778) | Lost 0-2 | -131496 |
| 4standard | 164 | Kikuchi, Satoru (1638) | Lost 0-2 | -151481 |
| 5standard | 324 | Oda, Naoki (1502) | Lost 0-2 | -181463 |
| 6standard | 308 | Eguchi, Taisuke (1483) | Lost 0-2 | -181445 |
| 7standard | 276 | Hisaki, Yuu (1473) | Lost 0-2 | -171428 |
| top | average opponent: 1550record: 2-5 | new rating: 1428 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 1 | Harada, Daisaku (1555) | Lost 0-2 | -171493 |
| 2extended | 126 | Nakagawa, Tsukasa (1420) | Won 2-0 | +161509 |
| 3extended | 110 | Toshimi, Hirokazu (1503) | Lost 0-2 | -181491 |
| 4extended | 175 | Wakuda, Hiroyasu (1474) | Lost 1-2 | -181473 |
| top | average opponent: 1488record: 1-3 | new rating: 1473 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Takeda, Tsuneaki (1496) | Lost 1-2 | -191531 |
| 2sealed | 235 | Dooley, Benjamin N (1481) | Draw 1-1 | 01531 |
| 3sealed | 252 | Horaguchi, Shinji (1506) | Won 2-0 | +171548 |
| 4sealed | 188 | Oikawa, Mutsuki (1505) | Lost 0-2 | -191529 |
| 5sealed | 215 | Ikeda, Naoto (1453) | Lost 0-2 | -191510 |
| top | average opponent: 1488record: 1-3-1 | new rating: 1510 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Shiino, Youichi (1445) | Draw 1-1 | -11499 |
| 2sealed | 187 | Mizuno, Hirohiko (1500) | Won 2-0 | +181517 |
| 3sealed | 117 | Ohta, Ryo (1501) | Won 2-0 | +181535 |
| 4sealed | 63 | Kodama, Naoko (1505) | Won 2-1 | +171552 |
| 5sealed | 36 | Akasaka, Tsutomu (1535) | Won 2-1 | +181570 |
| 6sealed | 16 | Sakakibara, Satoshi (1475) | Won 2-1 | +161586 |
| 7sealed | 7 | Ikeda, Tsuyoshi (1566) | Lost 0-2 | -181568 |
| 8sealed | 31 | Higashi, Teppei (1603) | Lost 1-2 | -181550 |
| top | average opponent: 1516record: 5-2-1 | new rating: 1550 | ||