Watanabe, Hayato
Current rating: 1483
Record: 14-16
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Hasegawa, Yu (1500) | Lost 1-2 | -171434 |
| 2sealed | 243 | Sasahara, Yasufumi (1639) | Won 2-1 | +211455 |
| 3sealed | 148 | Suzuki, Yuuji (1683) | Won 2-0 | +231478 |
| 4sealed | 104 | Shiraishi, Masaharu (1539) | Won 2-0 | +191497 |
| 5sealed | 83 | Furukawa, Ken'ichi (1621) | Won 2-0 | +201517 |
| 6sealed | 24 | Murata, Daisuke (1615) | Lost 1-2 | -161501 |
| 7sealed | 117 | Hirose, Yuuki (1573) | Lost 1-2 | -171484 |
| 8sealed | 106 | Mukai, Isao (1521) | Won 2-0 | +191503 |
| 9sealed | 89 | Arakane, Daisuke (1422) | Lost 0-2 | -201483 |
| top | average opponent: 1568record: 5-4 | new rating: 1483 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 152 | Saito, Takaya (1500) | Lost 1-2 | -171448 |
| 2sealed | 181 | Sogabe, Takashi (1481) | Won 2-1 | +181466 |
| 3sealed | 122 | Ishikawa, Masayo (1466) | Won 2-1 | +181484 |
| 4sealed | 68 | Suzuki, Shin (1505) | Lost 0-2 | -171467 |
| 5sealed | 157 | Yanagisawa, Tadahiro (1579) | Lost 1-2 | -161451 |
| top | average opponent: 1506record: 2-3 | new rating: 1451 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 155 | Sato, Shinichi (1635) | Lost 0-2 | -161485 |
| 2sealed | 279 | Suzuki, Ryuuichi (1513) | Lost 0-2 | -171468 |
| 3sealed | 286 | Sei, Shunsuke (1465) | Won 2-1 | +181486 |
| 4sealed | 223 | Nishimura, Yusuke (1403) | Won 2-0 | +161502 |
| 5sealed | 138 | Suzuki, Kenta (1562) | Lost 0-2 | -171485 |
| 6sealed | 177 | Shinoda, Ryo (1481) | Lost 1-2 | -181467 |
| 7sealed | 150 | Haga, Yuuichi (1466) | Lost 1-2 | -181449 |
| 8sealed | 133 | Matsuura, Masaru (1344) | Won 2-0 | +161465 |
| top | average opponent: 1484record: 3-5 | new rating: 1465 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 30 | Kanazawa, Katsuhisa (1500) | Won 2-0 | +181518 |
| 2sealed | 126 | Osawa, Takuya (1551) | Won 2-0 | +191537 |
| 3sealed | 61 | Miyazaki, Hidetaka (1551) | Lost 1-2 | -181519 |
| 4sealed | 85 | Miyagi, Akira (1536) | Lost 0-2 | -181501 |
| 5sealed | 175 | Murakami, Ken (1469) | Won 2-1 | +181519 |
| 6sealed | 137 | Yanagawa, Tomoyuki (1517) | Lost 0-2 | -181501 |
| 7sealed | 125 | Tajiri, Satoshi (1557) | Won 2-1 | +191520 |
| 8sealed | 51 | Ebihara, Fuyuki (1471) | Lost 1-2 | -191501 |
| top | average opponent: 1519record: 4-4 | new rating: 1501 | ||