Katou, Syouya
Current rating: 1542
Record: 26-25 (GP) / 3-5 (professional)
| Mythic Championship I (RNA standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 212 | Sokol, Greg (1822) | Lost 1-2 | -131546 |
| 2draft | 248 | Bakhtari, Edris (1632) | Lost 1-2 | -161530 |
| 3draft | 146 | Jammot, Timothee (1559) | Lost 0-2 | -181512 |
| 4standard | 218 | Cortes Salgado, Fabian (1459) | Won 2-1 | +171529 |
| 5standard | 210 | Chiappa, Renzo (1640) | Won 2-0 | +201549 |
| 6standard | 105 | Froehlich, Eric (1884) | Won 2-1 | +241573 |
| 7standard | 142 | Wu, Henry (1563) | Lost 0-2 | -181555 |
| 8standard | 173 | Hernandez, Adam (1864) | Lost 1-2 | -131542 |
| top | average opponent: 1678record: 3-5 | new rating: 1542 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 540 | Sakamoto, Aihei (1542) | Lost 1-2 | -171486 |
| 4standard | 515 | Sasaki, Osamu (1517) | Won 2-0 | +181504 |
| 5standard | 500 | Tsumagari, Shuhei (1454) | Lost 0-2 | -191485 |
| 6standard | 718 | Hasegawa, Yuuhei (1508) | Won 2-1 | +191504 |
| 7standard | 332 | Tateno, Tomoaki (1432) | Lost 0-2 | -191485 |
| 8standard | 473 | Ishizaka, Akira (1524) | Won 2-0 | +181503 |
| 9standard | 422 | Kumagae, Kousuke (1471) | Won 2-0 | +181521 |
| 10standard | 331 | Kajita, Hiroki (1445) | Won 2-0 | +161537 |
| 11standard | 275 | Isomura, Haruki (1554) | Won 2-1 | +191556 |
| 12standard | 160 | Ishikawa, Fumiaki (1603) | Won 2-0 | +181574 |
| 13standard | 108 | Matsumura, Takehiko (1632) | Lost 0-2 | -161558 |
| 14standard | 105 | Horikawa, Jun (1517) | Won 2-1 | +171575 |
| 15standard | 123 | Che, Ling (1725) | Lost 1-2 | -161559 |
| top | average opponent: 1533record: 8-5 | new rating: 1559 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 305 | Hagiya, Ginga (1485) | Lost 1-2 | -181500 |
| 3standard | 981 | Utiumi, Tomoyuki (1500) | Won 2-0 | +181518 |
| 4standard | 468 | Sasaki, Yasuhiro (1542) | Lost 1-2 | -181500 |
| 5standard | 1134 | Tanaka, Tomoya (1655) | Won 2-0 | +211521 |
| 6standard | 782 | Itou, Kenta (1534) | Lost 1-2 | -181503 |
| top | average opponent: 1543record: 2-3 | new rating: 1503 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 347 | Takenaka, Susumu (1400) | Won 2-1 | +151540 |
| 3sealed | 357 | Miyata, Yuuya (1699) | Lost 1-2 | -151525 |
| 4sealed | 564 | Takenaka, Toru (1487) | Lost 0-2 | -191506 |
| 5sealed | 646 | Kawano, Hiroki (1478) | Won 2-1 | +181524 |
| 6sealed | 621 | Takeda, Yoshihide (1461) | Won 2-1 | +171541 |
| 7sealed | 358 | Kobayashi, Masakatsu (1373) | Won 2-1 | +151556 |
| 8sealed | 323 | Fukunaga, Nao (1503) | Lost 0-2 | -191537 |
| 9sealed | 469 | Sotomura, Yoshihiro (1502) | Lost 1-2 | -191518 |
| top | average opponent: 1488record: 4-4 | new rating: 1518 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 498 | Tanimoto, Kazufumi (1518) | Won 2-1 | +201449 |
| 3standard | 303 | Sugiura, Hiroki (1571) | Won 2-0 | +201469 |
| 4standard | 38 | Inazawa, Ryo (1640) | Won 2-0 | +211490 |
| 5standard | 111 | Moriya, Ryo (1422) | Won 2-1 | +171507 |
| 6standard | 61 | Saito, Tomoya (1691) | Lost 1-2 | -151492 |
| 7standard | 189 | Nakamura, Akira (1542) | Won 2-0 | +191511 |
| 8standard | 63 | Mochizuki, Kouta (1734) | Won 2-0 | +221533 |
| 9standard | 39 | Matsushita, Junnya (1698) | Won 2-0 | +211554 |
| 10standard | 12 | Kitazawa, Kentarou (1638) | Lost 1-2 | -161538 |
| 11standard | 52 | Sato, Hikaru (1600) | Lost 0-2 | -171521 |
| 12standard | 109 | WeiQin, Andrew (1557) | Won 2-0 | +181539 |
| 13standard | 51 | Kaga, Noriya (1610) | Lost 0-2 | -161523 |
| 14standard | 106 | Takenaka, Takumi (1580) | Lost 1-2 | -171506 |
| 15standard | 104 | Okamoto, Katsuki (1551) | Won 2-0 | +191525 |
| top | average opponent: 1597record: 9-5 | new rating: 1525 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 265 | Matsumoto, Kazuma (1572) | Won 2-0 | +201478 |
| 3sealed | 183 | Schaefer, Maclean (1596) | Lost 0-2 | -161462 |
| 4sealed | 308 | Shiba, Naoto (1641) | Lost 0-2 | -151447 |
| 5sealed | 273 | Ogyu, Yoshiyuki (1439) | Lost 0-2 | -181429 |
| top | average opponent: 1562record: 1-3 | new rating: 1429 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 624 | Ebihara, Hirotaka (1567) | Lost 1-2 | -171475 |
| 3legacy | 883 | Ogawa, Takeshi (1500) | Lost 0-2 | -171458 |
| top | average opponent: 1534record: 0-2 | new rating: 1458 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 265 | Eastgate-Brown, John (1500) | Lost 1-2 | -181482 |
| 2sealed | 243 | Sugiura, Hiroki (1587) | Won 2-1 | +201502 |
| 3sealed | 199 | Ishimura, Shintaro (1963) | Lost 0-2 | -101492 |
| 4sealed | 332 | Ootani, Yousuke (1513) | Won 2-0 | +181510 |
| 5sealed | 284 | Fujiwara, Yuuichirou (1502) | Lost 0-2 | -181492 |
| top | average opponent: 1613record: 2-3 | new rating: 1492 | ||