Kato, Tomohiro
Current rating: 1547
Record: 21-19-2
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 80 | Yamada, Akinori (1548) | Lost 0-2 | -171466 |
| 2pioneer | 566 | Watanabe, Masashi (1550) | Won 2-0 | +201486 |
| 3pioneer | 578 | Takahashi, Kenta (1445) | Won 2-0 | +171503 |
| 4pioneer | 543 | Takemori, Mitsuhiro (1514) | Won 2-0 | +181521 |
| 5pioneer | 294 | Shishikura, Masahiro (1344) | Won 2-1 | +151536 |
| 6pioneer | 166 | Ishimaru, Ken (1719) | Won 2-0 | +211557 |
| 7pioneer | 112 | Sugiura, Hiroki (1524) | Won 2-1 | +171574 |
| 8pioneer | 35 | Konda, Tsuyoshi (1687) | Lost 1-2 | -151559 |
| 9pioneer | 68 | Saito, Naoki (1613) | Lost 0-2 | -171542 |
| 10pioneer | 144 | Ohshiro, Syusaku (1729) | Won 2-1 | +211563 |
| 11pioneer | 108 | Fujiya, Takahiro (1657) | Lost 0-1 | -161547 |
| top | average opponent: 1575record: 7-4 | new rating: 1547 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 344 | Nagami, Youichi (1629) | Won 2-1 | +211517 |
| 2standard | 236 | Katagiri, Toshiki (1380) | Lost 0-2 | -211496 |
| 3standard | 482 | Okino, Ryuu (1605) | Lost 0-2 | -161480 |
| 4standard | 719 | Sunaga, Masahiro (1531) | Won 2-0 | +191499 |
| 5standard | 597 | Akase, Daisuke (1592) | Lost 1-2 | -161483 |
| top | average opponent: 1547record: 2-3 | new rating: 1483 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 679 | Schwab, Yvonne Christine (1500) | Won 2-0 | +181518 |
| 2modern | 288 | Park, Sangwook (1645) | Lost 0-2 | -161502 |
| 3modern | 961 | Yamazaki, Shuhei (1430) | Won 2-1 | +171519 |
| 4modern | 622 | Miyoshi, Tomohito (1482) | Won 2-0 | +171536 |
| 5modern | 235 | Hashimoto, Shouhei (1456) | Lost 0-2 | -191517 |
| 6modern | 693 | Matsushita, Yuusuke (1503) | Lost 1-2 | -191498 |
| 7modern | 716 | Higashimura, Kazuya (1398) | Won 2-0 | +171515 |
| 8modern | 506 | Akabane, Takahiro (1499) | Lost 0-2 | -191496 |
| top | average opponent: 1489record: 4-4 | new rating: 1496 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 475 | Furutani, Yamato (1435) | Won 2-1 | +171519 |
| 2modern | 16 | Komori, Yuuya (1460) | Lost 0-2 | -191500 |
| 3modern | 972 | Kokubo, Masayuki (1531) | Lost 1-2 | -181482 |
| 4modern | 960 | Wong, Andrew (1427) | Lost 0-2 | -191463 |
| 5modern | 1192 | Morimoto, Teru (1465) | Won 2-1 | +181481 |
| 6modern | 891 | Nishiyama, Takahiro (1501) | Won 2-0 | +191500 |
| top | average opponent: 1470record: 3-3 | new rating: 1500 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 224 | Harada, Ippei (1500) | Draw 1-1 | +11484 |
| 2standard | 600 | Makuta, Eiji (1522) | Lost 0-2 | -181466 |
| 3standard | 1133 | Amemiya, Kouhei (1481) | Won 2-1 | +191485 |
| 4standard | 908 | Asai, Tetsuya (1498) | Won 2-1 | +181503 |
| 5standard | 646 | Gouda, Fumito (1461) | Won 2-0 | +171520 |
| 6standard | 396 | Hongou, Masato (1504) | Draw 1-1 | 01520 |
| 7standard | 606 | Oono, Takamasa (1540) | Lost 1-2 | -181502 |
| top | average opponent: 1501record: 3-2-2 | new rating: 1502 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 11 | Oriba, Ryo (1500) | Won 2-0 | +181518 |
| 2standard | 83 | Saitou, Kazuyuki (1611) | Lost 0-2 | -161502 |
| 3standard | 997 | Takahasi, Yuta5171 (1497) | Lost 0-2 | -181484 |
| 4standard | 1008 | Kong, Chong Teng (1550) | Won 2-1 | +191503 |
| 5standard | 871 | Ito, Takuya (1421) | Lost 0-2 | -201483 |
| top | average opponent: 1516record: 2-3 | new rating: 1483 | ||