Katada, Masato
Current rating: 1491
Record: 6-7-1
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Yoshida, Seigo (1428) | Won 2-1 | +171502 |
| 2sealed | 32 | Suzuki, Takuya 1104 (1429) | Won 2-0 | +171519 |
| 3sealed | 494 | Itou, Motoaki (1999) | Lost 1-2 | -101509 |
| 4sealed | 307 | Yamada, Ryusuke (1414) | Lost 0-2 | -201489 |
| 5sealed | 798 | Hasegawa, Tatuya (1586) | Won 2-0 | +201509 |
| 6sealed | 460 | Nakamura, Tamon (1515) | Lost 0-2 | -181491 |
| average opponent: 1562record: 3-3 | new rating: 1491 | |||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 664 | Itou, Motoki (1542) | Lost 0-2 | -171483 |
| 2sealed | 679 | Ikuta, Youji (1481) | Won 2-0 | +181501 |
| 3sealed | 788 | Nakamura, Yuta9375 (1560) | Lost 0-2 | -171484 |
| 4sealed | 1056 | Chiu, Wai Kei (1398) | Won 2-0 | +161500 |
| 5sealed | 632 | Tomita, Kei (1515) | Lost 0-2 | -171483 |
| 6sealed | 813 | Nishioka, Hideaki (1460) | Won 2-0 | +171500 |
| 7sealed | 583 | Nakajima, Takuya (1505) | Draw 1-1 | 01500 |
| 8sealed | 677 | Morita, Kouki (1671) | Lost 1-2 | -151485 |
| average opponent: 1516record: 3-4-1 | new rating: 1485 | |||