Ito, Katsuaki
Current rating: 1361
Record: 4-12
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 56 | Ikai, Hironobu (1500) | Lost 1-2 | -161407 |
| 2pioneer | 543 | Inada, Yoshiki (1462) | Lost 1-2 | -171390 |
| 3pioneer | 783 | Takaizumi, Yosuke (1521) | Lost 0-2 | -161374 |
| 4pioneer | 791 | Mogami, Yuko (1358) | Won 2-1 | +181392 |
| 5pioneer | 665 | Kitamura, Ryo (1560) | Lost 1-2 | -151377 |
| 6pioneer | 629 | Takahashi, Kenta (1393) | Won 2-1 | +181395 |
| 7pioneer | 513 | Ooi, Yuichi (1366) | Lost 0-2 | -181377 |
| 8pioneer | 426 | Yamamoto, Takatoyo (1497) | Lost 0-2 | -161361 |
| average opponent: 1457record: 2-6 | new rating: 1361 | |||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 259 | Watanabe, Koji (1457) | Won 2-0 | +171517 |
| 2standard | 413 | Omura, Hajime (1511) | Lost 0-2 | -181499 |
| 3standard | 562 | Higashi, Yuusuke (1398) | Lost 0-2 | -201479 |
| 4standard | 756 | Noguchi, Tsubasa (1467) | Lost 1-2 | -181461 |
| 5standard | 833 | Abe, Gen (1468) | Won 2-0 | +181479 |
| 6standard | 740 | Ikebata, Yusuke (1382) | Lost 0-2 | -201459 |
| 7standard | 641 | Yamamoto, Shintaro (1442) | Lost 0-2 | -181441 |
| 8standard | 572 | Kato, Yoshiaki (1450) | Lost 1-2 | -181423 |
| average opponent: 1447record: 2-6 | new rating: 1423 | |||