Hosokawa, Takahiro
Current rating: 1222
Record: 12-33-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1268 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 306 | Takasou, Kazuki (1399) | Lost 0-2 | -161252 |
| 2pioneer | 502 | Yamazaki, Takayoshi (1334) | Lost 0-2 | -161236 |
| 3pioneer | 824 | Sawada, Naoya (1464) | Lost 0-2 | -141222 |
| top | average opponent: 1399record: 0-3 | new rating: 1222 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1282 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 643 | Fujiwara, Ryuki (1476) | Lost 1-2 | -151267 |
| 2modern | 661 | Wu, Shengzhen (1481) | Won 2-0 | +221289 |
| 3modern | 593 | Fujimoto, Kanta (1525) | Won 2-1 | +221311 |
| 4modern | 396 | Niinami, Syouya (1506) | Lost 1-2 | -141297 |
| 5modern | 682 | Ohtsuka, Fukuo (1504) | Lost 1-2 | -151282 |
| 6modern | 763 | Oshima, Masanori (1483) | Lost 0-2 | -141268 |
| top | average opponent: 1496record: 2-4 | new rating: 1268 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1308 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 4 | Honda, Masaki (1262) | Won 2-0 | +181326 |
| 2standard | 468 | Ochi, Masaaki (1518) | Lost 1-2 | -151311 |
| 3standard | 587 | Shiba, Yoshimasa (1487) | Lost 0-2 | -151296 |
| 4standard | 814 | Shinoda, Takayuki (1475) | Lost 0-2 | -141282 |
| top | average opponent: 1436record: 1-3 | new rating: 1282 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1316 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 494 | Taniguchi, Yu (1351) | Lost 0-2 | -171299 |
| 2legacy | 541 | Matsuda, Shohei (1482) | Won 2-1 | +211320 |
| 3legacy | 532 | Chan, Andy 1391 (1505) | Lost 1-2 | -141306 |
| 4legacy | 564 | Yoshikoshi, Kouhei (1471) | Won 2-1 | +211327 |
| 5legacy | 403 | Itoh, Akira (1323) | Lost 0-2 | -191308 |
| top | average opponent: 1427record: 2-3 | new rating: 1308 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1325 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Kataoka, Shun (1500) | Lost 0-2 | -151310 |
| 2sealed | 894 | Sato, Shogo (1482) | Won 2-1 | +221332 |
| 3sealed | 778 | Choi, Kiho (1482) | Lost 0-2 | -161316 |
| top | average opponent: 1488record: 1-2 | new rating: 1316 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1338 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 534 | Kounosu, Hiroaki (1206) | Won 2-1 | +161354 |
| 2modern | 341 | Kato, Akinori (1442) | Lost 0-2 | -171337 |
| 3modern | 984 | Kawanami, Masao (1450) | Lost 0-2 | -161321 |
| 4modern | 999 | Kawai, Ryo (1382) | Won 2-1 | +191340 |
| 5modern | 745 | Tanaka, Takuma (1499) | Lost 1-2 | -151325 |
| top | average opponent: 1396record: 2-3 | new rating: 1325 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1336 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 54 | Miyauchi, Kazutoshi (1500) | Won 2-0 | +211357 |
| 2standard | 508 | Ishii, Takuya (1659) | Lost 0-2 | -121345 |
| 3standard | 1016 | Kosho, Tomoya (1504) | Won 2-0 | +211366 |
| 4standard | 700 | Ishiwada, Hiroyuki (1696) | Lost 0-2 | -131353 |
| 5standard | 780 | Takamatu, Makoto (1499) | Lost 0-2 | -151338 |
| top | average opponent: 1572record: 2-3 | new rating: 1338 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1348 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 69 | Yamashita, Taiki (1474) | Lost 0-2 | -161332 |
| 2legacy | 760 | Okazawa, Tatsuya (1275) | Lost 0-2 | -191313 |
| 3legacy | 1157 | Matuhashi, Wataru (1463) | Won 2-1 | +211334 |
| 4legacy | 1059 | Yusuke, Takeuchi (1464) | Draw 1-1 | +21336 |
| top | average opponent: 1419record: 1-2-1 | new rating: 1336 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 983 | Goto, Kazuya (1500) | Lost 1-2 | -171381 |
| 2standard | 921 | Hayasi, Syouta (1484) | Lost 0-2 | -161365 |
| 3standard | 1607 | Tanaka, Keiichi (1407) | Lost 0-2 | -171348 |
| top | average opponent: 1464record: 0-3 | new rating: 1348 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 653 | Tanaka, Naohito (1500) | Lost 0-2 | -171433 |
| 2standard | 727 | Inoue, Daisuke (1401) | Lost 0-2 | -181415 |
| 3standard | 1176 | Takaya, Maruta (1464) | Lost 0-2 | -171398 |
| top | average opponent: 1455record: 0-3 | new rating: 1398 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 237 | Ikedo, Masakazu (1657) | Lost 0-2 | -151448 |
| 2legacy | 336 | Mukama, Teppei (1482) | Won 2-0 | +191467 |
| 3legacy | 239 | Shiroza, Shinichiro (1549) | Lost 1-2 | -171450 |
| top | average opponent: 1563record: 1-2 | new rating: 1450 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 904 | Ukyou, Kazuma (1430) | Lost 1-2 | -191481 |
| 3sealed | 903 | Ayakawa, Hiromichi (1482) | Lost 1-2 | -181463 |
| top | average opponent: 1456record: 0-2 | new rating: 1463 | ||