Kato, Hiromu
Current rating: 1533
Record: 37-47
Grand Prix Shizuoka 2017Grand Prix Kyoto 2017Grand Prix Chiba 2018Grand Prix Shizuoka 2018 (standard)Grand Prix Kyoto 2019Grand Prix Yokohama 2019Grand Prix Chiba 2019Grand Prix Nagoya 2019Grand Prix Nagoya 2020Regional Championships Aichi 2022Regional Championships Chiba 2023Regional Championships Aichi 2023
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 46 | Shiraki, Takahiro (1801) | Won 2-1 | +241527 |
| 2pioneer | 20 | Ishikawa, Hikaru (1551) | Lost 0-2 | -181509 |
| 3pioneer | 50 | Tani, Hirotsugu (1503) | Won 2-1 | +181527 |
| 4pioneer | 32 | Yamada, Yasushi (1655) | Lost 0-2 | -161511 |
| 5pioneer | 52 | Peng, Shicheng (1501) | Won 2-1 | +181529 |
| 6pioneer | 51 | Washimi, Kazuo (1754) | Lost 1-2 | -141515 |
| 7pioneer | 58 | yamasaki, kento (1506) | Won 2-1 | +181533 |
| top | average opponent: 1610record: 4-3 | new rating: 1533 | ||
| Regional Championships Chiba 2023 (pioneer) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 64 | Maki, Hidekazu (1645) | Won 2-1 | +211489 |
| 2pioneer | 25 | Kawasaki, Hirotaka (1820) | Won 2-1 | +241513 |
| 3pioneer | 18 | Kimura, Shunsuke (1659) | Lost 0-2 | -151498 |
| 4pioneer | 22 | Yokokawa, Yuta (1426) | Won 2-0 | +171515 |
| 5pioneer | 26 | Kubota, Kei (1592) | Lost 1-2 | -171498 |
| 6pioneer | 51 | Naitou, Keisuke (1787) | Won 2-1 | +231521 |
| 7pioneer | 19 | Yoshimura, Takuya (1537) | Lost 1-2 | -181503 |
| top | average opponent: 1638record: 4-3 | new rating: 1503 | ||
| Regional Championships Aichi 2022 (pioneer) | starting rating: 1376 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 17 | Watanabe, Daisuke (1628) | Won 2-1 | +221398 |
| 2pioneer | 23 | Uemoto, Takahiro (1734) | Lost 1-2 | -121386 |
| 3pioneer | 66 | Nishio, Tomoyasu (1639) | Won 2-0 | +221408 |
| 4pioneer | 36 | Motoya, Toru (1422) | Won 2-1 | +191427 |
| 5pioneer | 26 | Kamata, Kazuhiro (1858) | Won 2-0 | +251452 |
| 6pioneer | 11 | Kiyota, Syouhei (1518) | Won 2-0 | +191471 |
| 7pioneer | 9 | Omori, Ken'ichirou (1850) | Lost 0-2 | -111460 |
| 8pioneer | 8 | Kumagai, Riku (2083) | Lost 1-2 | -81452 |
| 9pioneer | 25 | Ozawa, Takeshi (1877) | Lost 0-2 | -111441 |
| 10pioneer | 23 | Kosaka, Kazune (1887) | Won 2-1 | +261467 |
| 11pioneer | 24 | Onoda, Kenji (1612) | Lost 1-2 | -151452 |
| 12pioneer | 22 | Hasegawa, Atusi (1378) | Won 2-0 | +161468 |
| top | average opponent: 1707record: 7-5 | new rating: 1468 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1353 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 274 | Jinnai, Ryosuke (1483) | Lost 1-2 | -161337 |
| 4pioneer | 300 | Ito, Kazuki (1482) | Won 2-1 | +211358 |
| 5pioneer | 185 | Matsubara, Takeyuki (1717) | Lost 0-2 | -121346 |
| 6pioneer | 458 | Hasegawa, Tsukasa (1454) | Won 2-0 | +201366 |
| 7pioneer | 300 | Sugimoto, Takashi (1541) | Won 2-1 | +211387 |
| 8pioneer | 96 | Matsushita, Junnya (1747) | Lost 1-2 | -111376 |
| top | average opponent: 1571record: 3-3 | new rating: 1376 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1361 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 434 | Sato, Motohiko (1736) | Lost 1-2 | -111350 |
| 4standard | 276 | Omonishi, Kojiro (1732) | Lost 0-2 | -111339 |
| 5standard | 681 | Ataka, Kazuma (1532) | Lost 0-2 | -151324 |
| 6standard | 658 | Kosuga, Shuhei (1452) | Won 2-0 | +201344 |
| 7standard | 436 | Saito, Tomoya (1655) | Won 2-0 | +241368 |
| 8standard | 370 | Hyakuda, Atsushi (1533) | Lost 0-2 | -151353 |
| top | average opponent: 1607record: 2-4 | new rating: 1353 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1375 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 250 | Kaneko, Junpei (1513) | Won 2-1 | +201395 |
| 4sealed | 33 | Sugimoto, Takashi (1542) | Lost 0-2 | -151380 |
| 5sealed | 248 | Pan, Minxing (1925) | Lost 0-2 | -91371 |
| 6sealed | 366 | Sugiura, Hiroki (1490) | Lost 1-2 | -161355 |
| 7sealed | 523 | Natsukawa, Makoto (1591) | Won 2-1 | +221377 |
| 8sealed | 425 | Chiu, Chris (1500) | Lost 1-2 | -161361 |
| top | average opponent: 1594record: 2-4 | new rating: 1361 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1355 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 389 | Tokitsu, Hiroshi (1538) | Won 2-0 | +221377 |
| 4modern | 196 | Nakamura, Dai (1533) | Won 2-0 | +211398 |
| 5modern | 21 | Mori, Tomoki (1572) | Lost 0-2 | -151383 |
| 6modern | 255 | Koyanagi, Takashi (1620) | Won 2-0 | +221405 |
| 7modern | 169 | Seno, Takeshi (1546) | Lost 0-2 | -151390 |
| 8modern | 317 | Bryant, Caleb (1555) | Lost 0-2 | -151375 |
| top | average opponent: 1561record: 3-3 | new rating: 1375 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1383 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 316 | Isogaya, Leo (1427) | Lost 1-2 | -181365 |
| 4standard | 573 | Kitagawa, Hiroaki (1499) | Won 2-1 | +211386 |
| 5standard | 454 | Saito, Naoki (1428) | Lost 0-2 | -171369 |
| 6standard | 482 | Asai, Ikuya (1641) | Lost 0-2 | -141355 |
| top | average opponent: 1499record: 1-3 | new rating: 1355 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 246 | Inui, Takashi (1630) | Lost 1-2 | -141427 |
| 4standard | 685 | Bang, Sangmun (1452) | Won 2-1 | +181445 |
| 5standard | 440 | Toma, Hiroto (1622) | Lost 1-2 | -151430 |
| 6standard | 492 | Naito, Yuuki (1366) | Lost 0-2 | -191411 |
| 7standard | 708 | Kitashima, Mitsuhito (1513) | Lost 0-2 | -161395 |
| 8standard | 667 | Sugiyama, Yuu (1706) | Lost 0-2 | -121383 |
| top | average opponent: 1548record: 1-5 | new rating: 1383 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 482 | Kimura, Ryou (1596) | Lost 1-2 | -151447 |
| 4sealed | 718 | Miyawaki, Takeshi (1626) | Lost 0-2 | -151432 |
| 5sealed | 637 | Okamoto, Jin (1660) | Lost 0-2 | -141418 |
| 6sealed | 763 | Tan, Joshua (1594) | Lost 0-2 | -151403 |
| 7sealed | 726 | Takagi, Tsubasa (1464) | Won 2-1 | +191422 |
| 8sealed | 580 | Noguchi, Masahiko (1478) | Won 2-0 | +191441 |
| top | average opponent: 1570record: 2-4 | new rating: 1441 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Ariyoshi, Daisuke (1551) | Lost 0-2 | -171507 |
| 2sealed | 808 | Taniwaki, Hikaru (1481) | Lost 0-2 | -191488 |
| 3sealed | 1041 | Ando, Satoru (1391) | Won 2-0 | +171505 |
| 4sealed | 821 | Oohashi, Keisuke (1599) | Lost 1-2 | -171488 |
| 5sealed | 1048 | Lee, Nicholas [SGP] (1458) | Lost 1-2 | -181470 |
| 6sealed | 984 | Fujii, Ami (1249) | Won 2-1 | +141484 |
| 7sealed | 852 | Kondo, Yusuke (1409) | Lost 1-2 | -191465 |
| 8sealed | 789 | Makita, Wataru4325 (1451) | Lost 1-2 | -191446 |
| 9sealed | 693 | Sarusawa, Yuichi (1344) | Won 2-0 | +161462 |
| top | average opponent: 1437record: 3-6 | new rating: 1462 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 576 | Suzuki, Tomoyuki (1506) | Lost 1-2 | -181482 |
| 2standard | 889 | Yanagihara, Ryuto (1445) | Won 2-1 | +171499 |
| 3standard | 711 | Oohashi, Keisuke (1623) | Won 2-0 | +211520 |
| 4standard | 789 | Oikawa, Takaaki (1517) | Lost 1-2 | -181502 |
| 5standard | 861 | Fukumoto, Syuuma (1364) | Won 2-1 | +151517 |
| 6standard | 603 | Yamashita, Kazunori (1523) | Won 2-0 | +181535 |
| 7standard | 521 | Kotouge, Tatsuya (1738) | Won 2-0 | +221557 |
| 8standard | 175 | Liu, Jin (1812) | Lost 0-2 | -141543 |
| 9standard | 447 | Kashiwagi, Yuki (1487) | Lost 0-2 | -191524 |
| top | average opponent: 1557record: 5-4 | new rating: 1524 | ||