Watahiki, Satoru
Current rating: 1463
Record: 31-36
| Grand Prix Kobe 2017 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 624 | Ichikawa, Takayoshi (1606) | Lost 1-2 | -161462 |
| 2modern | 872 | Nojima, Daichi (1482) | Lost 1-2 | -181444 |
| 3modern | 1214 | Nishioka, Hideaki (1464) | Won 2-0 | +191463 |
| 4modern | 1084 | Aoi, Masashi (1385) | Lost 1-2 | -201443 |
| 5modern | 1131 | Sugiura, Jun (1589) | Won 2-1 | +211464 |
| 6modern | 937 | Morizane, Hitoshi (1295) | Lost 1-2 | -211443 |
| 7modern | 1070 | Suzuki, Ryuuichi (1288) | Won 2-0 | +151458 |
| 8modern | 821 | Matusita, Takuzi (1484) | Won 2-1 | +181476 |
| 9modern | 642 | Shimura, Ichirou (1734) | Lost 0-2 | -131463 |
| top | average opponent: 1481record: 4-5 | new rating: 1463 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 973 | Ohno, Tadashi (1440) | Won 2-0 | +181467 |
| 2standard | 118 | Watanabe, Takehito (1518) | Lost 1-2 | -171450 |
| 3standard | 895 | Komiya, Yuki (1500) | Won 2-1 | +191469 |
| 4standard | 552 | Lim, David (1516) | Lost 0-2 | -181451 |
| 5standard | 913 | Furugen, Takeji (1409) | Lost 1-2 | -181433 |
| 6standard | 1257 | Quintanilla, Danielson (1482) | Won 2-0 | +191452 |
| 7standard | 807 | Yamaguti, Yuuitirou (1514) | Won 2-0 | +191471 |
| 8standard | 756 | Hashikami, Taisuke (1511) | Won 2-0 | +181489 |
| 9standard | 488 | Omori, Ken'ichirou (1832) | Lost 0-2 | -111478 |
| top | average opponent: 1525record: 5-4 | new rating: 1478 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1342 | Nakahashi, Huuma (1500) | Won 2-1 | +181498 |
| 2sealed | 1175 | Yamada, Ryuichiro (1702) | Lost 1-2 | -141484 |
| 3sealed | 1195 | Nakamura, Kousuke (1480) | Lost 0-2 | -181466 |
| 4sealed | 1253 | Matsushima, Tetsuhiro (1484) | Won 2-1 | +181484 |
| 5sealed | 1049 | Ike, Yasuhiro (1519) | Lost 0-2 | -171467 |
| 6sealed | 1123 | Miyake, Ryohei (1480) | Lost 0-2 | -181449 |
| top | average opponent: 1527record: 2-4 | new rating: 1449 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 685 | Maeyama, Yuuhei (1480) | Won 2-0 | +181470 |
| 2legacy | 612 | Nakamura, Keisuke (1616) | Lost 0-2 | -151455 |
| 3legacy | 740 | Yoshida, Atsushi (1513) | Won 2-1 | +191474 |
| 4legacy | 694 | Takenaka, Susumu (1478) | Won 2-0 | +181492 |
| 5legacy | 671 | Matsuzawa, Takuya (1504) | Lost 0-2 | -181474 |
| 6legacy | 672 | Hagiwara, Masakatsu (1585) | Won 2-0 | +201494 |
| 7legacy | 675 | Kawashita, Makoto (1552) | Lost 0-2 | -171477 |
| 8legacy | 687 | Inoue, Hisashi (1514) | Lost 1-2 | -171460 |
| 9legacy | 695 | Sato, Hisao (1565) | Won 2-0 | +201480 |
| top | average opponent: 1534record: 5-4 | new rating: 1480 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 663 | Takahashi, Osamu (1511) | Lost 1-2 | -171449 |
| 2sealed | 984 | Sasaki, Yutaka (1483) | Won 2-0 | +181467 |
| 3sealed | 1035 | Kagami, Gen (1605) | Won 2-1 | +211488 |
| 4sealed | 884 | Aizawa, Takahiro (1410) | Lost 1-2 | -201468 |
| 5sealed | 873 | Tada, Masayuu (1516) | Won 2-0 | +191487 |
| 6sealed | 881 | Endou, Hideaki (1540) | Lost 1-2 | -171470 |
| 7sealed | 831 | Furuya, Yuuki (1444) | Won 2-1 | +181488 |
| 8sealed | 800 | Nishikawa, Haruyoshi (1473) | Lost 0-2 | -181470 |
| 9sealed | 782 | Arai, Yuusuke3019 (1471) | Lost 0-2 | -181452 |
| top | average opponent: 1495record: 4-5 | new rating: 1452 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 923 | Fukuda, Wataru (1482) | Lost 1-2 | -181456 |
| 2modern | 1126 | Komada, Katsuya (1560) | Lost 0-2 | -161440 |
| 3modern | 1246 | Ohsumi, Katsutoshi (1464) | Won 2-0 | +181458 |
| 4modern | 1175 | Shigaki, Tomoya (1509) | Lost 0-2 | -171441 |
| 5modern | 1172 | Honda, Masakazu (1550) | Won 2-1 | +201461 |
| 6modern | 1065 | Kagoi, Yuki (1482) | Won 2-0 | +191480 |
| 7modern | 973 | Yamaji, Shunichi (1557) | Lost 1-2 | -171463 |
| 8modern | 965 | Shibata, Masataka (1443) | Won 2-0 | +181481 |
| 9modern | 907 | Naitou, Takashi (1667) | Lost 1-2 | -151466 |
| top | average opponent: 1524record: 4-5 | new rating: 1466 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 523 | Nakamura, Ryouta (1583) | Won 2-0 | +201502 |
| 2standard | 716 | Ichinose, Yuki (1514) | Won 2-1 | +181520 |
| 3standard | 601 | Kumagai, Riku (1683) | Lost 0-2 | -151505 |
| 4standard | 711 | Fujita, Osamu (1819) | Lost 0-2 | -121493 |
| 5standard | 724 | Ito, Hiromichi (1427) | Lost 1-2 | -191474 |
| top | average opponent: 1605record: 2-3 | new rating: 1474 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 836 | U., Hiroshi (1500) | Won 2-1 | +181515 |
| 2sealed | 827 | Gotou, Hiroyuki (1513) | Lost 0-2 | -181497 |
| 3sealed | 982 | Koyama, Kaoru (1538) | Lost 1-2 | -181479 |
| 4sealed | 1109 | Kim, Sungin (1481) | Won 2-0 | +181497 |
| 5sealed | 1004 | Kitajima, Ryoko (1449) | Won 2-0 | +181515 |
| 6sealed | 830 | Ishida, Hiroshi (1651) | Lost 1-2 | -161499 |
| 7sealed | 874 | Shirakihara, Ryuuichi (1574) | Lost 0-2 | -171482 |
| top | average opponent: 1530record: 3-4 | new rating: 1482 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 218 | Abe, Hirofumi (1604) | Lost 1-2 | -161484 |
| 2modern | 460 | Kageura, Taisuke (1482) | Lost 0-2 | -181466 |
| 3modern | 638 | Yamasaki, Sadaharu (1226) | Won 2-0 | +141480 |
| 4modern | 643 | Furuya, Yuuki (1427) | Won 2-0 | +171497 |
| top | average opponent: 1435record: 2-2 | new rating: 1497 | ||