Hiyoshi, Tatsuhiko
Current rating: 1571
Record: 22-19-2
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Harada, Akio (1391) | Lost 1-2 | -201473 |
| 2sealed | 231 | Naraya, Takaaki (1481) | Draw 1-1 | 01473 |
| 3sealed | 353 | Zhang, Meng Qiu Yang (1484) | Won 2-0 | +191492 |
| 4sealed | 278 | Yamashita, Hiroshi (1450) | Won 2-0 | +171509 |
| 5sealed | 191 | Oshima, Shimpei (1503) | Won 2-0 | +181527 |
| 6sealed | 122 | Kubo, Yuta (1486) | Won 2-1 | +171544 |
| 7sealed | 74 | Mori, Yuki (1536) | Won 2-0 | +181562 |
| 8sealed | 43 | Ohori, Akihito (1468) | Won 2-1 | +161578 |
| 9sealed | 25 | Takagi, Takeshi (1773) | Won 2-0 | +221600 |
| 10draft | 99 | Miyawaki, Takeshi (1657) | Won 2-0 | +191619 |
| 11draft | 83 | Inagaki, Yukihiro (1557) | Won 2-0 | +171636 |
| 12draft | 99 | Ishiwada, Hiroyuki (1668) | Lost 1-2 | -181618 |
| 13draft | 8 | Oldziey, Kalim (1635) | Lost 1-2 | -181600 |
| 14draft | 94 | Morofuji, Takuma (1964) | Lost 0-2 | -111589 |
| 15draft | 64 | Kamoi, Ryo (1592) | Lost 1-2 | -181571 |
| top | average opponent: 1576record: 9-5-1 | new rating: 1571 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 121 | Kosemura, Tomohiro (1503) | Lost 1-2 | -191529 |
| 5sealed | 144 | Nakajima, Hiroki 676 (1534) | Lost 0-2 | -171512 |
| 6sealed | 249 | Tezuka, Yuuki (1486) | Lost 1-2 | -191493 |
| top | average opponent: 1508record: 0-3 | new rating: 1493 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 36 | Yuba, Hirofumi (1522) | Lost 0-2 | -191547 |
| 5sealed | 200 | Kabutomori, You (1497) | Won 2-0 | +181565 |
| 6sealed | 147 | Hirose, Yuuki (1679) | Won 2-0 | +201585 |
| 7sealed | 52 | Yasuhara, Hideto (1573) | Lost 1-2 | -191566 |
| 8sealed | 73 | Okazaki, Kazuhiro (1559) | Lost 1-2 | -181548 |
| top | average opponent: 1566record: 2-3 | new rating: 1548 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Yoshida, Yuuji (Fukui) (1500) | Won 2-1 | +181501 |
| 2standard | 60 | Tozuka, Kouta (1631) | Won 2-1 | +201521 |
| 3standard | 6 | Honda, Takeshi (1524) | Won 2-1 | +191540 |
| 4standard | 82 | Tanaka, Eiji (1478) | Won 2-1 | +161556 |
| 5standard | 9 | Imai, Satoshi (1677) | Won 2-0 | +211577 |
| 6standard | 22 | Ooki, Norihiro (1628) | Draw 1-1 | +11578 |
| 7standard | 13 | Hoshino, Masaaki (1517) | Lost 0-2 | -201558 |
| 8standard | 46 | Sakimura, Akihiko (1634) | Won 2-1 | +201578 |
| 9standard | 26 | Shiraishi, Hiroaki (1757) | Won 2-0 | +211599 |
| 10standard | 14 | Hirayama, Atsushi (1663) | Lost 0-2 | -171582 |
| 11standard | 33 | Oosawa, Jun (1560) | Won 2-0 | +181600 |
| 12standard | 21 | Motiki A., (1574) | Lost 1-2 | -191581 |
| 13standard | 33 | Akiyama, Takashi (1690) | Lost 0-2 | -161565 |
| 14standard | 40 | Yanase, Kaname (1553) | Won 2-1 | +181583 |
| 15standard | 31 | Yamaguchi, Satoshi (1649) | Lost 0-2 | -171566 |
| top | average opponent: 1602record: 9-5-1 | new rating: 1566 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Sugita, Toshihiko (1448) | Won 2-1 | +171517 |
| 2sealed | 37 | Hasegawa, Tsuyoshi (1557) | Lost 0-2 | -171500 |
| 3sealed | 149 | Yoshinaga, Mitsuteru (1554) | Lost 1-2 | -171483 |
| 4sealed | 171 | Arai, Kenichiro (1497) | Lost 0-2 | -181465 |
| 5sealed | 192 | Tanaka, Kazuhiko (1451) | Won 2-1 | +181483 |
| top | average opponent: 1502record: 2-3 | new rating: 1483 | ||