Yagi, Hiroyuki
Current rating: 1596
Record: 62-51-2
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2246 | Ji, Kanghyun (1482) | Won 2-1 | +171532 |
| 2sealed | 2179 | Kobayashi, Tatsuya (1431) | Lost 1-2 | -191513 |
| 3sealed | 2410 | Kouhata, Toshiya (1484) | Won 2-1 | +171530 |
| 4sealed | 2212 | Haruta, Takatsugu (1357) | Won 2-1 | +151545 |
| 5sealed | 2159 | Shimada, Tetsuhiro (1536) | Lost 0-2 | -181527 |
| 6sealed | 2182 | Yamanouchi, Yuki (1532) | Won 2-1 | +181545 |
| 7sealed | 2100 | Yamamoto, Takayoshi (1511) | Won 2-0 | +171562 |
| 8sealed | 2088 | Yamaguchi, Kyohei (1473) | Won 2-0 | +171579 |
| 9sealed | 2040 | Azuma, Tatsuya (1566) | Won 2-0 | +171596 |
| 10draft | 53 | Cheng, Ting Hin (1589) | Lost 0-2 | -181578 |
| 11draft | 27 | Matuda, Amane (1575) | Won 2-1 | +181596 |
| 12draft | 61 | Fung Huei, Chu (1598) | Lost 0-2 | -181578 |
| 13draft | 156 | Kimura, Keisuke (1642) | Won 2-0 | +191597 |
| 14draft | 6 | Horiuchi, Makoto (1607) | Won 2-0 | +191616 |
| 15draft | 93 | Sakaguchi, Naoki (1512) | Lost 0-2 | -201596 |
| top | average opponent: 1526record: 10-5 | new rating: 1596 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 57 | Tamura, Tetsu (1518) | Lost 0-2 | -181519 |
| 3modern | 581 | Tanaka, Kazuhiko (1409) | Lost 0-2 | -201499 |
| 4modern | 509 | Yamazaki, Daisuke (1562) | Won 2-0 | +191518 |
| 5modern | 551 | Suzuki, Ryo (1442) | Won 2-1 | +161534 |
| 6modern | 356 | Koizumi, Hiroki (1522) | Lost 0-2 | -181516 |
| 7modern | 417 | Tabuchi, Youichi (1461) | Won 2-0 | +171533 |
| 8modern | 310 | Nakamura, Yuya (Hino) (1525) | Lost 1-2 | -181515 |
| top | average opponent: 1491record: 3-4 | new rating: 1515 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 285 | Tanaka, Ryuji (1500) | Won 2-1 | +161584 |
| 2sealed | 87 | Komatsu, Satoru (1518) | Lost 1-2 | -191565 |
| 3sealed | 259 | Takada, Ryo (1296) | Won 2-0 | +131578 |
| 4sealed | 335 | Fujita, Toshitake (1530) | Lost 1-2 | -181560 |
| 5sealed | 335 | Yao, Shunsuke (1605) | Lost 1-2 | -181542 |
| 6sealed | 341 | Shin, Doo Sik (1482) | Won 2-0 | +171559 |
| 7sealed | 266 | Satou, Chika (1466) | Lost 1-2 | -191540 |
| 8sealed | 260 | Fujii M., (1469) | Lost 0-2 | -201520 |
| 9sealed | 222 | Sunaga, Ayumu (1444) | Won 2-1 | +171537 |
| top | average opponent: 1479record: 4-5 | new rating: 1537 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 218 | Kawai, Yusuke (1550) | Lost 1-2 | -181530 |
| 2extended | 310 | Ueno, Takamasa (1505) | Won 2-1 | +181548 |
| 3extended | 251 | Takagi, Yui (1736) | Lost 0-2 | -151533 |
| 4extended | 462 | Kato, Takanori (1483) | Won 2-1 | +171550 |
| 5extended | 357 | Kinoshita, Tomohiro (1499) | Won 2-0 | +171567 |
| 6extended | 207 | Satou, Kensuke (1518) | Won 2-1 | +171584 |
| 7extended | 200 | Eda, Takeshi (1661) | Won 2-1 | +201604 |
| 8extended | 43 | Ichikawa, Takayoshi (1583) | Lost 1-2 | -191585 |
| 9extended | 107 | Inoue, Junji (1608) | Lost 1-2 | -171568 |
| top | average opponent: 1571record: 5-4 | new rating: 1568 | ||
| Grand Prix Niigata 2009 (M10 limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 232 | Gotou, Takahiro (1355) | Lost 1-2 | -211515 |
| 2sealed | 237 | Usami, Taro (1670) | Lost 1-2 | -151500 |
| 3sealed | 262 | Kasahara, Yuuki (1420) | Won 2-0 | +161516 |
| 4sealed | 260 | Yokoyama, Ryousuke (1494) | Won 2-0 | +181534 |
| 5sealed | 163 | Kobashi, Motoki (1517) | Lost 0-2 | -181516 |
| 6sealed | 218 | Tanabe, Kazuya (1282) | Won 2-0 | +141530 |
| 7sealed | 156 | Ooshima, Kunihiro (1531) | Won 2-0 | +181548 |
| 8sealed | 118 | Hirashima, Yuutarou (1602) | Won 2-0 | +191567 |
| 9sealed | 82 | Inoue, Masanao (1537) | Lost 0-2 | -191548 |
| top | average opponent: 1490record: 5-4 | new rating: 1548 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Kaneko, Naoto (1500) | Won 0-0 | +161603 |
| 2sealed | 75 | Kadowaki, Shougo (1519) | Lost 0-2 | -191584 |
| 3sealed | 175 | Sato, Hideyuki (1455) | Lost 1-2 | -201564 |
| 4sealed | 229 | Fukushige, Hirofumi (1487) | Lost 1-2 | -201544 |
| 5sealed | 240 | Shigehara, Akinori (1348) | Lost 1-2 | -211523 |
| 6sealed | 145 | Sakakuchi, Takashi (1462) | Won 2-1 | +171540 |
| 7sealed | 164 | Ueda, Shuji (1438) | Lost 0-2 | -201520 |
| 8sealed | 25 | Okamura, Kazuya (1448) | Won 2-0 | +161536 |
| top | average opponent: 1457record: 3-5 | new rating: 1536 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 174 | Saeki, Masaya (1479) | Lost 0-2 | -201584 |
| 2standard | 354 | Watanabe, Yoshifumi (1482) | Draw 1-1 | -21582 |
| 3standard | 308 | Sato, Kenichiro (1481) | Won 2-0 | +161598 |
| 4standard | 244 | Inoue, Kouichi (1500) | Won 2-0 | +161614 |
| 5standard | 167 | Kawauchi, Masatomo (1507) | Lost 1-2 | -201594 |
| 6standard | 232 | Tajima, Kenji (1467) | Won 2-0 | +161610 |
| 7standard | 139 | Motoki, Takahiro (1516) | Won 2-1 | +161626 |
| 8standard | 113 | Satou, Rin (1536) | Lost 0-2 | -191607 |
| 9standard | 2 | Tanikawa, Masato (1520) | Lost 0-2 | -201587 |
| top | average opponent: 1499record: 4-4-1 | new rating: 1587 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Amine, Yuuta (1500) | Won 2-1 | +161595 |
| 2sealed | 40 | Samiso, Yutaka (1516) | Lost 1-2 | -191576 |
| 3sealed | 94 | Ogata, Atsushi (1514) | Lost 1-2 | -191557 |
| 4sealed | 125 | Sugaya, Hironobu (1507) | Lost 0-2 | -191538 |
| 5sealed | 133 | Abe, Motoki (1352) | Won 2-1 | +141552 |
| 6sealed | 109 | Kamo, Riki (1483) | Won 2-0 | +171569 |
| 7sealed | 100 | Inoue, Makoto (1491) | Won 2-0 | +171586 |
| 8sealed | 10 | Nakamura, Yusuke (1601) | Won 2-0 | +181604 |
| top | average opponent: 1495record: 5-3 | new rating: 1604 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 25 | Sato, Jungo (1500) | Won 2-0 | +161605 |
| 2standard | 44 | Amayasu, Kazunori (1484) | Won 1-0 | +161621 |
| 3standard | 50 | Yamakawa, Hiroaki (1518) | Lost 0-2 | -201601 |
| 4standard | 132 | Take, Toshiharu (1635) | Won 2-0 | +181619 |
| 5standard | 62 | Ogaki, Atsushi (1592) | Lost 0-2 | -181601 |
| 6standard | 170 | Nakaoka, Shinya (1524) | Draw 1-1 | -11600 |
| 7standard | 175 | Tanaka, Hisaya (1627) | Lost 1-2 | -181582 |
| 8standard | 176 | Shibasaki, Yoshihiro (1508) | Lost 0-2 | -191563 |
| 9standard | 156 | Mochizuki, Kazuhiro (1446) | Won 2-1 | +161579 |
| top | average opponent: 1537record: 4-4-1 | new rating: 1579 | ||
| Grand Prix Yamagata 2006 (TSP limited) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Itou, Wataru (Akita) (1500) | Lost 1-2 | -191532 |
| 2sealed | 94 | Hata, Fumihiro (1558) | Lost 1-2 | -171515 |
| 3sealed | 134 | Ozawa, Takahiro (1557) | Won 2-0 | +191534 |
| 4sealed | 133 | Narita, Ryouta (1486) | Won 2-0 | +171551 |
| 5sealed | 102 | Awano, Heita (1466) | Won 2-0 | +161567 |
| 6sealed | 82 | Krejsa, Tomas (1481) | Won 2-1 | +171584 |
| 7sealed | 22 | Kanamura, Hiroyuki (1540) | Won 2-1 | +171601 |
| 8sealed | 52 | Snepvangers, Bram (1918) | Lost 1-2 | -121589 |
| top | average opponent: 1563record: 5-3 | new rating: 1589 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 88 | Itou, Kouhei (1504) | Lost 0-2 | -191539 |
| 2block | 141 | Ono, Ippei (1537) | Lost 1-2 | -181521 |
| 3block | 175 | Suzuki, Tatsuya (1464) | Won 2-1 | +171538 |
| 4block | 197 | Higuchi, Ryou (1479) | Won 2-0 | +171555 |
| 5block | 163 | Shimizu, Motohiro (1540) | Won 2-0 | +181573 |
| 6block | 100 | Kim, Cynic (1475) | Lost 0-2 | -201553 |
| 7block | 130 | Yokoyama, Shouta (1514) | Lost 1-2 | -191534 |
| 8block | 116 | Watabe, Kazunori (1487) | Won 2-1 | +171551 |
| top | average opponent: 1500record: 4-4 | new rating: 1551 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 251 | Tomii, Tsubasa (1500) | Lost 1-2 | -201570 |
| 2sealed | 207 | Koshimoto, Haruki (1529) | Won 2-0 | +171587 |
| 3sealed | 259 | Obara, Takahiro (1499) | Lost 0-2 | -191568 |
| 4sealed | 226 | Ikeda, Kenji (1481) | Won 2-1 | +161584 |
| 5sealed | 212 | Yoshizawa, Hiromi (1343) | Won 2-1 | +141598 |
| 6sealed | 147 | Saijo, Yuichi (1536) | Lost 0-2 | -191579 |
| 7sealed | 140 | Higuchi, Katsuhiro (1436) | Lost 0-2 | -211558 |
| top | average opponent: 1475record: 3-4 | new rating: 1558 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 207 | Shimoda, Masaki (1500) | Won 2-0 | +181518 |
| 2block | 324 | Miyoshida, Kunio (1518) | Lost 0-2 | -181500 |
| 3block | 488 | Goto, Masanobu (1482) | Won 2-0 | +181518 |
| 4block | 365 | Horaguchi, Kenichi (1518) | Won 2-1 | +181536 |
| 5block | 206 | Shimojo, Takuya (1502) | Lost 0-2 | -191517 |
| 6block | 310 | Doi, Koji (1566) | Won 2-0 | +191536 |
| 7block | 121 | Hasegawa, Taro (1523) | Won 2-0 | +181554 |
| 8block | 69 | Uragami, Takayuki (1556) | Won 2-0 | +181572 |
| 9block | 45 | Shikatake, Naoki (1571) | Won 2-0 | +181590 |
| top | average opponent: 1526record: 7-2 | new rating: 1590 | ||