Yoshii, Tatsuo
Current rating: 1527
Record: 27-26-3 (GP) / 10-9-1 (professional)
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 299 | Mori, Takumi (1500) | Won 2-0 | +171582 |
| 2sealed | 212 | Yoon, SooHan (1695) | Lost 0-2 | -161566 |
| 3sealed | 282 | Murakami, Yuusuke 592 (1482) | Lost 1-2 | -191547 |
| 4sealed | 345 | Ochiai, Shigeru (1481) | Lost 0-2 | -201527 |
| top | average opponent: 1540record: 1-3 | new rating: 1527 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 78 | Hattori, Yutaka (1521) | Won 2-0 | +171576 |
| 5sealed | 66 | Sasaki, Tsutomu (1696) | Won 2-0 | +201596 |
| 6sealed | 15 | Tamada, Ryoichi (1761) | Won 2-0 | +211617 |
| 7sealed | 13 | Omori, Ken'ichirou (1690) | Lost 0-2 | -171600 |
| 8sealed | 45 | Shibafuji, Shunsuke (1542) | Lost 0-2 | -191581 |
| 9sealed | 77 | Hirose, Yuuki (1688) | Lost 0-2 | -161565 |
| top | average opponent: 1650record: 3-3 | new rating: 1565 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1144 | Imbern, Thomas (1505) | Won 2-1 | +171579 |
| 2sealed | 1078 | Andersson, Joakim (1603) | Won 2-1 | +191598 |
| 3sealed | 1014 | Coqueiro, Rafael S (1697) | Lost 0-2 | -171581 |
| 4sealed | 1216 | Bergeron, Anael (1469) | Won 2-0 | +161597 |
| 5sealed | 1078 | Gorokhovskyy, Kostyantyn (1485) | Lost 0-2 | -201577 |
| 6sealed | 1137 | Prodanov, Dimitar (1531) | Lost 0-2 | -181559 |
| top | average opponent: 1548record: 3-3 | new rating: 1559 | ||
| Pro Tour Paris 2011 (MBS standard) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 60 | Aune, Eirik (1915) | Lost 1-2 | -131613 |
| 2standard | 189 | Ravitz, Joshua (1859) | Lost 0-2 | -131600 |
| 3standard | 214 | Longa, Piotr (1586) | Lost 0-2 | -181582 |
| 4standard | 229 | Mihara, Makihito (1754) | Lost 1-2 | -151567 |
| 5standard | 230 | Shlyakhov, Yaroslav (1444) | Won 2-1 | +151582 |
| 6draft | 110 | Olbinski, Szymon (1460) | Lost 0-2 | -201562 |
| top | average opponent: 1670record: 1-5 | new rating: 1562 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1631 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 20 | Komiya, Tadayoshi (1712) | Lost 1-2 | -161615 |
| 4sealed | 96 | Ishizaki, Ryousuke (1510) | Lost 1-2 | -201595 |
| 5sealed | 147 | Yanagizawa, Kazutoyo (1372) | Won 2-0 | +141609 |
| 6sealed | 90 | Nakamura, Shuhei (1849) | Lost 0-2 | -141595 |
| 7sealed | 119 | Hisaki, Yuu (1513) | Won 2-1 | +161611 |
| 8sealed | 93 | Watabe, Kazunori (1438) | Won 2-0 | +151626 |
| top | average opponent: 1565record: 3-3 | new rating: 1626 | ||
| Grand Prix Sapporo 2002 (Odyssey block) | starting rating: 1642 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 58 | Fujishiro, Takashi (1569) | Won 2-1 | +171659 |
| 4block | 47 | Mayaguchi, Masaru (1536) | Lost 1-2 | -201639 |
| 5block | 52 | Kageyama, Kiyotomo (1546) | Lost 0-2 | -201619 |
| 6block | 112 | Suzuki, Yuta (1524) | Won 2-0 | +161635 |
| 7block | 85 | Eura, Hiroki (1503) | Won 2-0 | +161651 |
| 8block | 81 | Manabe, Takeshi (1553) | Lost 0-2 | -201631 |
| top | average opponent: 1539record: 3-3 | new rating: 1631 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1679 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 50 | Abe, Kouichi (1537) | Won 2-0 | +151694 |
| 4extended | 18 | Kinoshita, Junichi (1619) | Won 2-0 | +171711 |
| 5extended | 22 | Itagaki, Yota (1575) | Won 2-0 | +151726 |
| 6extended | 7 | Long, Mike 2 (1673) | Lost 1-2 | -191707 |
| 7extended | 17 | Ono, Yutaro (1571) | Won 2-0 | +161723 |
| 8extended | 15 | Takakuwa, Akihiro (1560) | Lost 1-2 | -211702 |
| 9extended | 31 | Sato, Shinichi (1656) | Lost 0-2 | -191683 |
| 10extended | 29 | Okuyama, Masahide (1563) | Won 2-0 | +161699 |
| 11extended | 22 | Borteh, Alex (1871) | Lost 0-2 | -151684 |
| 12extended | 22 | Ota, Masane (1508) | Lost 1-2 | -211663 |
| 13extended | 30 | Tanimura, Shuta (1526) | Lost 0-2 | -211642 |
| top | average opponent: 1605record: 5-6 | new rating: 1642 | ||
| Pro Tour Barcelona 2001 (PLS draft) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 126 | Godsey, Nathan (1625) | Won 2-0 | +191583 |
| 2draft | 47 | Wiegersma, Jelger (1632) | Won 2-0 | +191602 |
| 3draft | 17 | Jensen, Thomas Dall (1668) | Won 2-0 | +191621 |
| 4draft | 22 | Pascoli, Mario (1591) | Won 2-0 | +181639 |
| 5draft | 28 | Mello, Patrick (1664) | Lost 0-2 | -181621 |
| 6draft | 113 | Taylor, Eric (1686) | Won 2-0 | +191640 |
| 7draft | 11 | Kuhn, Janosch (1800) | Lost 0-2 | -151625 |
| 8draft | 47 | Canu, Franck (1875) | Won 2-0 | +231648 |
| 9draft | 20 | Dam, Lars (1639) | Won 2-1 | +181666 |
| 10draft | 14 | Kapalas, Georgios (1609) | Won 2-1 | +171683 |
| 11draft | 13 | Hubble, Bryan (1839) | Won 2-0 | +201703 |
| 12draft | 71 | Law, Albertus Hui Chin (1898) | Lost 0-2 | -141689 |
| 13draft | 30 | Tomcani, Jan (1867) | Lost 0-2 | -151674 |
| 14draft | 10 | Johns, Scott (1925) | Draw 1-1 | +51679 |
| top | average opponent: 1737record: 9-4-1 | new rating: 1679 | ||
| Grand Prix Hiroshima 2001 (INV limited) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 36 | Nishioka, Kazuya (1518) | Won 2-0 | +171589 |
| 3sealed | 53 | Maki, Koichiro (1464) | Draw 1-1 | -21587 |
| 4sealed | 46 | Yamamoto, Yasuhide (1501) | Lost 1-2 | -201567 |
| 5sealed | 83 | Goda, Masayuki (1518) | Won 2-0 | +171584 |
| 6sealed | 55 | Seki, Yoshio (1587) | Draw 1-1 | 01584 |
| 7sealed | 76 | Sawada, Ryosuke (1470) | Lost 1-2 | -201564 |
| top | average opponent: 1510record: 2-2-2 | new rating: 1564 | ||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 40 | Anabuki, Kazuhisa (1518) | Draw 1-1 | 01500 |
| 4sealed | 33 | Nakano, Satoshi (1519) | Won 2-0 | +191519 |
| 5sealed | 18 | Ito, Ken (1537) | Lost 0-2 | -181501 |
| 6sealed | 36 | Fujiwara, Kazuyuki (1536) | Won 2-1 | +191520 |
| 7sealed | 24 | Hirabayashi, Kazuya (1582) | Won 2-0 | +191539 |
| 8rochester | 11 | Kurosawa, Atsushi (1572) | Won 2-0 | +181557 |
| 9rochester | 9 | Tajiri, Satoshi (1591) | Won 2-0 | +191576 |
| 10rochester | 6 | Douyama, Tsuyoshi (1489) | Lost 0-2 | -201556 |
| 11rochester | 12 | Yamakawa, Youichirou (1473) | Won 2-0 | +171573 |
| 12rochester | 6 | Arita, Ryuichi (1514) | Won 2-1 | +171590 |
| 13rochester | 4 | Mori, Katsuhiro (1588) | Lost 0-2 | -181572 |
| top | average opponent: 1538record: 7-3-1 | new rating: 1572 | ||