Kato, Atushi
Current rating: 1519
Record: 23-23
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 430 | Hanyuda, Takeshi (1511) | Lost 0-2 | -181499 |
| 2pioneer | 541 | Kumazawa, Futa (1490) | Won 2-0 | +171516 |
| 3pioneer | 497 | Terasawa, Yu (1665) | Lost 1-2 | -151501 |
| 4pioneer | 726 | Nishi, Daichi (1430) | Won 2-0 | +171518 |
| 5pioneer | 412 | Yoshimura, Takuya (1503) | Won 2-1 | +181536 |
| 6pioneer | 331 | Okamoto, Masahiro4209 (1562) | Won 2-1 | +181554 |
| 7pioneer | 158 | Sakata, Naoya (1588) | Lost 1-2 | -171537 |
| 8pioneer | 315 | Hosokawa, Hikaru (1535) | Lost 0-2 | -181519 |
| top | average opponent: 1535record: 4-4 | new rating: 1519 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 425 | Tanahashi, Hirofumi (1490) | Won 2-0 | +171538 |
| 2standard | 87 | Iwasaki, Daisuke (1657) | Lost 0-2 | -151523 |
| 3standard | 662 | Han, Bing (1949) | Lost 0-2 | -111512 |
| 4standard | 716 | Katoh, Wataru (1235) | Won 2-0 | +131525 |
| 5standard | 452 | Yamashita, Kohji (1196) | Lost 1-2 | -241501 |
| 6standard | 579 | Takayama, Junichi (1506) | Won 2-0 | +181519 |
| 7standard | 455 | Tsuchiya, Yoshihiro (1431) | Won 2-0 | +171536 |
| 8standard | 361 | Oikawa, Hiroaki (1483) | Lost 0-2 | -191517 |
| top | average opponent: 1493record: 4-4 | new rating: 1517 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 257 | Hirayama, Wataru (1500) | Won 2-0 | +181530 |
| 2modern | 36 | Yanagisawa, Yuta (1660) | Lost 1-2 | -161514 |
| 3modern | 1002 | Kaneko, Junpei (1479) | Won 2-1 | +181532 |
| 4modern | 431 | Kojima, Hirotaka (1516) | Lost 1-2 | -191513 |
| 5modern | 837 | Fukushima, Hiroaki (1478) | Won 2-1 | +181531 |
| 6modern | 674 | Nakagami, Takanori (1387) | Won 2-1 | +151546 |
| 7modern | 378 | Tinen, Kousuke (1710) | Won 2-1 | +211567 |
| 8modern | 295 | Iseki, Ojiro (1653) | Won 2-1 | +201587 |
| 9modern | 133 | Okano, Toshiya (1755) | Lost 1-2 | -151572 |
| 10modern | 159 | Hatano, Kazaho (1515) | Lost 0-2 | -191553 |
| 11modern | 212 | Kawahara, Ryouta (1749) | Lost 1-2 | -151538 |
| 12modern | 208 | Kurosaki, Ryo (1550) | Won 2-0 | +191557 |
| 13modern | 198 | Furusho, Kotaro (1556) | Lost 0-2 | -181539 |
| 14modern | 180 | Hung, Kai-Chun (1563) | Lost 1-2 | -181521 |
| top | average opponent: 1577record: 7-7 | new rating: 1521 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 260 | Fukazawa, Tooru (1428) | Won 2-1 | +171491 |
| 2standard | 416 | Hannuki, Yuya (1504) | Lost 0-2 | -181473 |
| 3standard | 563 | Sawada, Taku (1501) | Won 2-1 | +191492 |
| 4standard | 285 | Ueki, Junichi (1449) | Lost 0-2 | -191473 |
| 5standard | 572 | Aoki, Toshihito (1388) | Won 2-0 | +171490 |
| 6standard | 497 | Muramatsu, Kunihiro (1449) | Lost 1-2 | -191471 |
| 7standard | 543 | Carlos, Aaron (1666) | Won 2-0 | +211492 |
| 8standard | 448 | Wataya, Yosuke (1601) | Won 2-1 | +201512 |
| top | average opponent: 1498record: 5-3 | new rating: 1512 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Takenaka, Yuuhi (1735) | Lost 1-2 | -141486 |
| 2sealed | 835 | Ootsuki, Yoshihiko (1378) | Lost 0-2 | -201466 |
| 4sealed | 1069 | Yoshida, Atsushi3042 (1461) | Won 2-1 | +181484 |
| 5sealed | 760 | Katagiri, Keisuke (1515) | Lost 1-2 | -171467 |
| 6sealed | 770 | Ikai, Koichiro (1527) | Won 2-0 | +191486 |
| 7sealed | 636 | Hitomi, Masaaki (1671) | Won 2-1 | +211507 |
| 8sealed | 534 | Suzuki, Ryo (1689) | Lost 1-2 | -151492 |
| 9sealed | 584 | Kimura, Yusuke (1465) | Lost 0-2 | -181474 |
| top | average opponent: 1555record: 3-5 | new rating: 1474 | ||