Hoshino, Hiroaki
Current rating: 1705 (#6161)
Record: 37-25-3
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 10 | Komuro, Shuu (1790) | Won 2-1 | +201680 |
| 5sealed | 6 | Kinoshita, Masashi (1800) | Lost 0-2 | -161664 |
| 6sealed | 20 | Fujita, Tsuyoshi (1783) | Won 2-1 | +201684 |
| 7sealed | 79 | Levy, Raphael (1879) | Won 2-0 | +221706 |
| 8sealed | 4 | Wiegersma, Jelger (2107) | Lost 0-2 | -111695 |
| 9draft | 10 | Nakamura, Shuhei (2001) | Lost 0-2 | -131682 |
| 10draft | 3 | Tsumura, Kenji (2028) | Lost 0-2 | -121670 |
| 11draft | 31 | Osanai, Yuuma (1502) | Won 2-0 | +151685 |
| 12draft | 19 | Takahashi, Jun ya (1552) | Won 2-1 | +161701 |
| 13draft | 32 | Tsumura, Kenji (2034) | Won 2-1 | +241725 |
| 14draft | 12 | Suzuki, Akiyoshi (1653) | Lost 1-2 | -201705 |
| top | average opponent: 1830record: 6-5 | new rating: 1705 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 231 | Haibara, Tomoki (1500) | Draw 1-1 | -31658 |
| 2sealed | 186 | Ebitani, Keisuke (1531) | Won 2-1 | +161674 |
| 3sealed | 114 | Murata, Hirokazu (1518) | Won 2-0 | +151689 |
| 4sealed | 80 | Shimizu, Sho (1556) | Won 2-1 | +151704 |
| 5sealed | 38 | Nishimura, Sho (1434) | Lost 1-2 | -221682 |
| 6sealed | 86 | Kaji, Tomohiro (1816) | Lost 1-2 | -161666 |
| 7sealed | 120 | Katsuta, Souichi (1545) | Lost 0-2 | -201646 |
| 8sealed | 113 | Yasukawa, Kazuhide (1412) | Won 2-1 | +141660 |
| top | average opponent: 1539record: 4-3-1 | new rating: 1660 | ||
| Grand Prix Fukuoka 2002 (TOR limited) | starting rating: 1707 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 39 | Okuma, Kenji (1554) | Lost 0-2 | -211686 |
| 5sealed | 48 | Maehata, Yasuhito (1537) | Lost 1-2 | -201666 |
| 6sealed | 112 | Yagi, Akira (1562) | Won 2-0 | +161682 |
| 7sealed | 63 | Nishida, Toshimasa (1520) | Lost 0-2 | -211661 |
| top | average opponent: 1543record: 1-3 | new rating: 1661 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 30 | Ando, Reiji (1508) | Draw 1-1 | -31638 |
| 5sealed | 32 | Okamoto, Jin (1745) | Won 2-0 | +201658 |
| 6sealed | 15 | Ichikawa, Masato (1556) | Won 2-0 | +171675 |
| 7sealed | 9 | Mitsuya, Kazuhiko (1637) | Lost 0-2 | -191656 |
| 8sealed | 26 | Sakakibara, Satoshi (1479) | Won 2-0 | +151671 |
| 9rochester | 19 | Mori, Katsuhiro (1889) | Lost 0-2 | -141657 |
| 10rochester | 23 | Wakuri, Akira (1639) | Won 1-0 | +171674 |
| 11rochester | 19 | Watanabe, Hiroto (1621) | Won 2-0 | +171691 |
| 12rochester | 12 | Higashi, Teppei (1634) | Won 2-1 | +171708 |
| 13rochester | 7 | Nagaoka, Takayuki (1762) | Won 2-0 | +191727 |
| 14rochester | 5 | Yamadaya, Kohei (1615) | Lost 1-2 | -201707 |
| top | average opponent: 1644record: 7-3-1 | new rating: 1707 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 84 | Sanno, Katsuya (1537) | Won 2-0 | +161610 |
| 5block | 16 | Ikeuchi, Kauzhiro (1537) | Won 2-0 | +171627 |
| 6block | 22 | Kuroda, Masashiro (1659) | Won 2-1 | +191646 |
| 7block | 6 | Ishii, Keisuke (1626) | Won 2-1 | +171663 |
| 8block | 5 | Ogawa, Syunsuke (1625) | Lost 1-2 | -181645 |
| 9block | 22 | Yuasa, Kentarou (1576) | Lost 0-2 | -201625 |
| 10block | 25 | Itou, Kenshirou (1686) | Lost 0-2 | -161609 |
| 11block | 57 | Niihama, Tatsuo (1571) | Lost 1-2 | -191590 |
| 12block | 54 | Ogiyama, Shuuji (1526) | Won 2-0 | +171607 |
| 13block | 52 | Yasutomi, Hiroto (1540) | Won 2-1 | +161623 |
| 14block | 38 | Hassaku, Jinpei (1688) | Won 2-0 | +201643 |
| 15block | 26 | Adachi, Takatsugu (1621) | Won 2-1 | +171660 |
| 16block | 19 | Ishikawa, Ren (1585) | Lost 0-2 | -191641 |
| top | average opponent: 1598record: 8-5 | new rating: 1641 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Anan, Go (1502) | Lost 1-2 | -181483 |
| 2sealed | 159 | Yamakawa, Youichirou (1530) | Won 2-0 | +191502 |
| 3sealed | 155 | Kishida, Kazuya (1499) | Won 2-0 | +181520 |
| 4sealed | 109 | Yamaguchi, Teruyuki (1516) | Won 2-0 | +181538 |
| 5sealed | 77 | Hirabayashi, Kazuya (1662) | Won 2-1 | +201558 |
| 6sealed | 30 | Yamaguchi, Katsuhiro (1556) | Won 2-0 | +181576 |
| 7sealed | 24 | Shiozu, Ryouma (1569) | ID | 01576 |
| 8draft | 22 | Kashima, Takeshi (1575) | Draw 1-1 | 01576 |
| 9draft | 24 | Haneda, Daisuke (1555) | Won 2-1 | +171593 |
| 10draft | 17 | Arita, Ryuichi (1570) | Lost 0-2 | -181575 |
| 11draft | 22 | Haneda, Daisuke (1555) | Won 2-1 | +181593 |
| 12draft | 16 | Kashima, Takeshi (1594) | Lost 0-2 | -181575 |
| 13draft | 22 | Okabayashi, Masanao (1623) | Won 2-0 | +191594 |
| top | average opponent: 1562record: 8-3-2 | new rating: 1594 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 97 | Abe, Natsuki (1537) | Won 2-0 | +191519 |
| 4extended | 55 | Morita, Masahiko (1468) | Won 2-1 | +171536 |
| 5extended | 39 | Kasai, Takashi (1536) | Lost 1-2 | -181518 |
| 6extended | 69 | Saka, Kenichiro (1555) | Won 2-1 | +181536 |
| 7extended | 40 | Itou, Shin (1555) | Lost 1-2 | -171519 |
| 8extended | 80 | Iwai, Motoki (1521) | Lost 0-2 | -181501 |
| top | average opponent: 1529record: 3-3 | new rating: 1501 | ||