Homma, Kosuke
Current rating: 1421
Record: 10-17-1
| Regional Championships Chiba 2023 (pioneer) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 45 | sohsuke, yamada (1506) | Won 2-0 | +191442 |
| 2pioneer | 11 | Takahashi, Taro (1721) | Won 2-1 | +231465 |
| 3pioneer | 10 | Nomiya, Yohei (1598) | Lost 0-2 | -151450 |
| 4pioneer | 17 | Yoshida, Kei (1635) | Lost 0-2 | -151435 |
| 5pioneer | 38 | Miki, Shoya (1502) | Lost 1-2 | -171418 |
| 6pioneer | 77 | Bang, Hyun-Jung (1504) | Won 2-1 | +201438 |
| 7pioneer | 55 | Ito, Hayato (1509) | Lost 0-2 | -171421 |
| top | average opponent: 1568record: 3-4 | new rating: 1421 | ||
| Regional Championships Aichi 2022 (pioneer) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 31 | Hishida, Akinori (1455) | Lost 0-2 | -191442 |
| 2pioneer | 98 | Tokuyama, Yoshihiko (1675) | Lost 0-2 | -131429 |
| 3pioneer | 88 | Hara, Kouki (1498) | Lost 0-2 | -171412 |
| 4pioneer | 88 | Cho, Sejeong (1441) | Lost 1-2 | -181394 |
| 5pioneer | 87 | Kawasaki, Hirotaka (1798) | Lost 1-2 | -111383 |
| 6pioneer | 77 | KUROSAWA, TAKUYA (1422) | Won 2-0 | +191402 |
| 7pioneer | 66 | Kagami, Hajime (1557) | Won 2-1 | +211423 |
| top | average opponent: 1549record: 2-5 | new rating: 1423 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 146 | Taura, Ryuji (1503) | Lost 0-1 | -181481 |
| 2standard | 484 | Ito, Kazuki (1484) | Draw 1-1 | 01481 |
| 3standard | 754 | Miyake, Toru (1424) | Lost 0-2 | -191462 |
| 4standard | 800 | Suzuki, Yuuji (1475) | Won 2-0 | +191481 |
| 5standard | 697 | Mizuno, Yuya (1372) | Lost 1-2 | -201461 |
| top | average opponent: 1452record: 1-3-1 | new rating: 1461 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 513 | Hayashi, Katsuji (1472) | Won 2-0 | +171517 |
| 2sealed | 493 | Kashiwase, Kazuya (1676) | Won 2-0 | +211538 |
| 3sealed | 181 | Ortiz Ros, Cristian (1857) | Lost 1-2 | -121526 |
| 4sealed | 606 | Giorgio, Francesco (1913) | Lost 0-2 | -111515 |
| 5sealed | 880 | He, Kan (1507) | Won 2-0 | +181533 |
| 6sealed | 381 | Ogino, Hiroki (1414) | Lost 0-2 | -211512 |
| 7sealed | 727 | Sifuentes, Francisco (1776) | Lost 0-2 | -131499 |
| 8sealed | 682 | Mori, Yuki (1529) | Lost 0-2 | -171482 |
| 9sealed | 682 | Izumi, Naoto (1460) | Won 2-0 | +171499 |
| top | average opponent: 1623record: 4-5 | new rating: 1499 | ||