Hosomi, Yuuichi
Current rating: 1535
Record: 18-15-3
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 340 | Kishi, Daiko (1496) | Draw 1-1 | -11578 |
| 2sealed | 584 | Beppu, Yoshihiro (1408) | Won 2-0 | +151593 |
| 3sealed | 598 | Masuda, Takumi (1497) | Lost 1-2 | -201573 |
| 4sealed | 854 | Nakagawa, Hirofumi (1431) | Lost 0-2 | -211552 |
| 5sealed | 1003 | Harano, Takahiro (1608) | Lost 1-2 | -171535 |
| top | average opponent: 1488record: 1-3-1 | new rating: 1535 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1066 | Maeda, Masaki (1500) | Won 2-1 | +171589 |
| 2modern | 798 | Tanaka, Tomoyuki (1480) | Lost 0-2 | -201569 |
| 3modern | 1079 | Nishiura, Natsu (1516) | Won 2-1 | +171586 |
| 4modern | 956 | Hashimoto, Masatoshi (1610) | Won 2-0 | +191605 |
| 5modern | 811 | Ishizuki, Takuya (1540) | Lost 1-2 | -201585 |
| 6modern | 936 | Yamada, Takaaki (1581) | Lost 1-2 | -181567 |
| 7modern | 1006 | Komatsu, Satoru (1469) | Won 2-1 | +171584 |
| 8modern | 911 | Shiozaki, Toshinori (1503) | Lost 0-2 | -201564 |
| 9modern | 904 | Takeda, Yasuaki (1402) | Won 2-1 | +151579 |
| top | average opponent: 1511record: 5-4 | new rating: 1579 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 181 | toriyama, hiroki (1500) | Won 2-1 | +161595 |
| 2standard | 6 | Yasufuku, Akihiro (1587) | Lost 1-2 | -181577 |
| 3standard | 279 | Katsuki, Takanori (1504) | Won 2-0 | +171594 |
| 4standard | 187 | Fujii, Toshikazu (1505) | Won 2-0 | +161610 |
| 5standard | 75 | Okada, Hiroaki (1581) | Lost 1-2 | -181592 |
| 6standard | 155 | Tanaka, Yuuki (1519) | Lost 1-2 | -201572 |
| top | average opponent: 1532record: 3-3 | new rating: 1572 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 70 | Arakane, Keisuke (1567) | Won 2-1 | +181565 |
| 3standard | 147 | Suzuki, Kenta (1759) | Won 2-0 | +221587 |
| 4standard | 23 | Omichi, Nobuhito (1522) | Draw 1-1 | -21585 |
| 5standard | 60 | Yamabe, Tadayoshi (1520) | Draw 1-1 | -11584 |
| 6standard | 129 | Se, Atsuo (1416) | Lost 0-2 | -211563 |
| 7standard | 195 | Itagaki, Masayoshi (1552) | Won 2-1 | +181581 |
| 8standard | 133 | Ishikawa, Masayo (1525) | Lost 0-2 | -191562 |
| 9standard | 150 | Kikuchi, Osamu (1500) | Won 2-1 | +171579 |
| top | average opponent: 1545record: 4-2-2 | new rating: 1579 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 49 | Sando, Masao (1616) | Lost 1-2 | -161484 |
| 2extended | 114 | Tanii, Yuusuke (1463) | Won 2-1 | +181502 |
| 3extended | 136 | Kawabata, Norihiro (1500) | Lost 1-2 | -181484 |
| 4extended | 172 | Ikedo, Masakazu (1532) | Won 2-0 | +191503 |
| 5extended | 123 | Kaji, Tomohiro (1811) | Won 2-0 | +231526 |
| 6extended | 111 | Morisaki, Nobuki (1524) | Won 2-1 | +181544 |
| 7extended | 80 | Satou, Kiminori (1536) | Won 2-1 | +181562 |
| 8extended | 39 | Maeba, Hideaki (1725) | Lost 1-2 | -151547 |
| top | average opponent: 1588record: 5-3 | new rating: 1547 | ||