Kataoka, Tatsuya
Current rating: 1550
Record: 18-17-1
| Grand Prix Yokohama 2019 (modern) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 68 | Sugimoto, Yuta (1453) | Lost 1-2 | -191489 |
| 2modern | 903 | Kawakami, Takumi (1424) | Won 2-0 | +161505 |
| 3modern | 853 | Nakano, Toi (1498) | Won 2-0 | +181523 |
| 4modern | 346 | Sugisawa, Tsuyoshi (1598) | Won 2-1 | +201543 |
| 5modern | 326 | Yashiro, Kazuki (1818) | Lost 1-2 | -141529 |
| 6modern | 646 | Hirasawa, Daisuke (1580) | Won 2-1 | +191548 |
| 7modern | 429 | Katakai, Masaki (1459) | Won 2-0 | +171565 |
| 8modern | 202 | Kunisato, Ebie (1754) | Lost 0-2 | -151550 |
| top | average opponent: 1573record: 5-3 | new rating: 1550 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 172 | Katuyama, Naoki (1522) | Won 2-0 | +191465 |
| 2legacy | 158 | Ikeda, Takeshi (1481) | Won 2-0 | +181483 |
| 3legacy | 208 | Ishii, Takuya (1698) | Lost 0-2 | -141469 |
| 4legacy | 333 | Nagasaki, Ryou (1671) | Won 2-0 | +221491 |
| 5legacy | 90 | Ishii, Taisuke (1893) | Won 2-0 | +251516 |
| 6legacy | 46 | Shimizu, Hiroaki (1483) | Won 2-1 | +171533 |
| 7legacy | 27 | Torii, Motonori (1540) | Lost 0-2 | -181515 |
| 8legacy | 101 | Shimizu, Toshiki (1816) | Won 2-1 | +241539 |
| 9legacy | 124 | Sakai, Hiroyuki (1500) | Won 2-1 | +171556 |
| 10legacy | 57 | Tanji, Kensuke (1802) | Draw 1-1 | +41560 |
| 11legacy | 48 | The, Kenny (1591) | Lost 0-2 | -171543 |
| 12legacy | 73 | Arita, Kazuhiro (1669) | Lost 1-2 | -161527 |
| 13legacy | 87 | Hirosawa, Yuki (1435) | Lost 0-2 | -191508 |
| top | average opponent: 1623record: 7-5-1 | new rating: 1508 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 81 | Tsuruhara, Takayuki (1500) | Lost 1-2 | -181480 |
| 2legacy | 603 | Tanaka, Masaki (1482) | Won 2-0 | +181498 |
| 3legacy | 923 | Carey, Gene (1519) | Lost 1-2 | -181480 |
| 4legacy | 1075 | Koyanagi, Takuya (1594) | Lost 1-2 | -151465 |
| 5legacy | 1059 | Matsuzawa, Takuya (1438) | Lost 0-2 | -191446 |
| 6legacy | 1050 | Katsuta, Takafumi (1418) | Won 2-0 | +181464 |
| 7legacy | 919 | Miyamoto, Akihiro (1472) | Lost 1-2 | -181446 |
| top | average opponent: 1489record: 2-5 | new rating: 1446 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 260 | Motoyama, Kazuya (1500) | Won 2-0 | +181518 |
| 2sealed | 45 | Nagao, Hakaru (1450) | Lost 0-2 | -191499 |
| 3sealed | 161 | Ishitsuka, Takehiro (1497) | Lost 0-2 | -181481 |
| 4sealed | 239 | Baba, Yasunori (1509) | Won 2-0 | +181499 |
| 5sealed | 185 | Okamura, Shinya (1500) | Lost 1-2 | -181481 |
| 6sealed | 191 | Imamura, Akihiro (1482) | Won 2-1 | +181499 |
| 7sealed | 143 | Iioka, Kenta (1392) | Won 2-0 | +161515 |
| 8sealed | 101 | Isobe, Masato (1553) | Lost 1-2 | -171498 |
| top | average opponent: 1485record: 4-4 | new rating: 1498 | ||