Hossaka, Takurou
Current rating: 1329
Record: 13-24
| Grand Prix Yokohama 2019 (modern) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 447 | Hayakawa, Naoto (1523) | Lost 0-2 | -161395 |
| 2modern | 709 | Wakayama, Tetsuya (1494) | Lost 0-2 | -161379 |
| 3modern | 1056 | Nakamura, Kouki 9697 (1468) | Lost 0-2 | -161363 |
| 4modern | 1148 | Takehana, Haruka (1446) | Lost 0-2 | -171346 |
| 5modern | 1109 | Ehara, Kazuya (1388) | Lost 0-2 | -171329 |
| top | average opponent: 1464record: 0-5 | new rating: 1329 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 617 | Wanibuchi, Kouji (1454) | Won 2-1 | +191458 |
| 2sealed | 149 | Boss, Matt (1626) | Lost 1-2 | -151443 |
| 3sealed | 747 | Morita, Yukio (1501) | Lost 0-2 | -171426 |
| 4sealed | 932 | Jammot, Timothee (1511) | Won 2-1 | +191445 |
| 5sealed | 753 | Zhang, Xuan (1508) | Lost 0-2 | -161429 |
| 6sealed | 772 | Nishimura, Shinji (1471) | Lost 0-2 | -181411 |
| top | average opponent: 1512record: 2-4 | new rating: 1411 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 374 | Kawahara, Daichi (1466) | Lost 0-2 | -181439 |
| top | record: 0-1 | new rating: 1439 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 806 | Kim, Chang Kyum (1446) | Lost 0-2 | -181443 |
| 2sealed | 635 | Hosoda, Daiki (1574) | Lost 1-2 | -151428 |
| 3sealed | 1241 | Akiyama, Keigo (1463) | Lost 0-2 | -181410 |
| 4sealed | 1178 | Yoshida, Kazuki (1448) | Won 2-0 | +191429 |
| 5sealed | 1049 | Takahashi, Akira (1484) | Won 2-0 | +191448 |
| 6sealed | 966 | Ootsuka, Koutarou (1838) | Lost 0-2 | -111437 |
| 7sealed | 907 | Notake, Shozaburo (1585) | Won 2-0 | +201457 |
| 8sealed | 720 | Taniguchi, Yuta (1490) | Won 2-0 | +191476 |
| 9sealed | 633 | Yamada, Yosuke (1440) | Lost 1-2 | -191457 |
| top | average opponent: 1530record: 4-5 | new rating: 1457 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1048 | Miyazaki, Takato (1500) | Lost 0-2 | -181480 |
| 2sealed | 1405 | Mori, Masaki (1391) | Won 2-0 | +171497 |
| 3sealed | 1220 | Sone, Hirotoshi (1543) | Lost 0-2 | -181479 |
| 4sealed | 1254 | Ando, Masanori9484 (1483) | Lost 0-2 | -181461 |
| top | average opponent: 1479record: 1-3 | new rating: 1461 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 109 | Ito, Yuuko (1290) | Lost 0-2 | -221481 |
| 2sealed | 348 | Okano, Hiroki (1542) | Lost 1-2 | -171464 |
| 3sealed | 465 | Inukai, Masakazu (1480) | Won 2-1 | +181482 |
| 4sealed | 399 | Takahashi, Tomoo (1377) | Won 2-1 | +161498 |
| 5sealed | 393 | Tuzii, Syouichi (1498) | Won 2-1 | +181516 |
| 6sealed | 179 | Kanehara, Masataka (1514) | Lost 1-2 | -181498 |
| top | average opponent: 1450record: 3-3 | new rating: 1498 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 874 | Endo, Jun'Ichi (1760) | Lost 1-2 | -131487 |
| 2modern | 1026 | Noguchi, Ryonosuke (1482) | Lost 1-2 | -181469 |
| 3modern | 1222 | Takeda, Shota (1464) | Won 2-0 | +171486 |
| 4modern | 1068 | Matsuura, Taiki (1432) | Won 2-1 | +171503 |
| 5modern | 1039 | Takahashi, Yuto (1483) | Lost 0-2 | -181485 |
| 6modern | 1045 | Uematsu, Ryou (1451) | Won 2-0 | +181503 |
| top | average opponent: 1512record: 3-3 | new rating: 1503 | ||