Katayama, Yuuki
Current rating: 1463
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 394 | Furihara, Kazuki (1318) | Won 2-1 | +151511 |
| 2sealed | 432 | Ueki, Yoshinori (1593) | Lost 1-2 | -161495 |
| 3sealed | 692 | Kanegae, Kazuyori (1540) | Lost 0-2 | -181477 |
| 4sealed | 902 | Kusunoki, Yuki (1590) | Lost 1-2 | -151462 |
| 5sealed | 1056 | Okamoto, Masahito4063 (1470) | Won 2-0 | +181480 |
| 6sealed | 835 | Kamio, Hiroyuki (1533) | Lost 0-2 | -171463 |
| top | average opponent: 1507record: 2-4 | new rating: 1463 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 740 | Tachibana, Emu (1454) | Lost 1-2 | -191467 |
| 2modern | 722 | Kiyoku, Yoshiyuki (1483) | Won 2-0 | +191486 |
| 3modern | 941 | Kagami, Gen (1497) | Lost 1-2 | -181468 |
| 4modern | 1235 | Kato, Ryoichi (1484) | Lost 1-2 | -181450 |
| 5modern | 1103 | Hinohara, Toyokazu (1336) | Lost 1-2 | -201430 |
| 6modern | 1198 | Tsutai, Koutarou (1235) | Won 2-0 | +141444 |
| 7modern | 1016 | Saitou, Shuujirou (1519) | Won 2-0 | +201464 |
| 8modern | 888 | Hata, Tomonori (1391) | Won 2-0 | +161480 |
| 9modern | 640 | Yoshida, Atsushi (1365) | Won 2-1 | +161496 |
| top | average opponent: 1418record: 5-4 | new rating: 1496 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 804 | Makita, Naoya (1500) | Lost 1-2 | -181482 |
| 2standard | 595 | Matsunuma, Junya (1413) | Won 2-0 | +171499 |
| 3standard | 960 | Oriba, Ryo (1498) | Won 2-1 | +181517 |
| 4standard | 546 | Itou, Masayoshi (1499) | Won 2-1 | +171534 |
| 5standard | 509 | Poh, Liang Choong (1656) | Lost 1-2 | -151519 |
| 6standard | 574 | Morita, Yo (1693) | Lost 1-2 | -151504 |
| 7standard | 604 | Takahashi, Naohiro (1506) | Lost 0-2 | -181486 |
| top | average opponent: 1538record: 3-4 | new rating: 1486 | ||