Yamaguchi, Tetsuya
Current rating: 1568
Record: 62-61-4
- 2003
- 2004
- 2005
- 2006
- 2007
- 2008
- 2009
- 2010
- 2011
- 2012
- 2013
- 2017
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 322 | Seki, Tosio (1445) | Lost 1-2 | -211574 |
| 2standard | 674 | Takahashi, Shiori (1449) | Won 2-1 | +161590 |
| 3standard | 919 | Kobayashi, Yuki (1517) | Lost 0-2 | -201570 |
| 5standard | 694 | Takimoto, Yusuke (1517) | Won 2-1 | +171587 |
| 6standard | 451 | Kamioka, Masayuki (1570) | Lost 1-2 | -181569 |
| 7standard | 833 | Okajima, Masahiro (1641) | Won 2-1 | +191588 |
| 8standard | 580 | Miyoshi, Yasufumi (1439) | Lost 0-2 | -201568 |
| top | average opponent: 1511record: 3-4 | new rating: 1568 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 11 | Takinami, Kazuki (1500) | Won 2-0 | +171555 |
| 2standard | 112 | Yamamoto, Junpei (1483) | Won 2-0 | +171572 |
| 3standard | 7 | Umezu, Hiroaki (1499) | Won 2-1 | +161588 |
| 4standard | 18 | Tanaka, Hayato (1547) | Won 2-0 | +181606 |
| 5standard | 7 | Liu, Yuchen (1884) | Lost 1-2 | -131593 |
| 6standard | 87 | Nomoto, Hidetaka (1537) | Lost 0-2 | -201573 |
| 7standard | 111 | Taki, Masaya (1518) | Won 2-0 | +171590 |
| 8standard | 103 | Takahashi, Dai (1671) | Lost 0-2 | -161574 |
| 9standard | 285 | Yam, Wing Chun (1724) | Won 2-1 | +211595 |
| top | average opponent: 1596record: 6-3 | new rating: 1595 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 718 | Iwayama, Masatomo (1494) | Won 2-1 | +171592 |
| 5sealed | 701 | Kondo, Shuichi (1525) | Lost 0-2 | -201572 |
| 6sealed | 698 | Umehara, Kei (1636) | Lost 1-2 | -171555 |
| 7sealed | 806 | Sugimoto, Yuuki (1565) | Lost 0-2 | -171538 |
| top | average opponent: 1555record: 1-3 | new rating: 1538 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 100 | Takahashi, Hiraku (1518) | Lost 1-2 | -181519 |
| 3modern | 294 | Sakamoto, Naruhiko (1500) | Won 2-1 | +171536 |
| 4modern | 443 | Suzuki, Yuya (1504) | Won 2-1 | +181554 |
| 5modern | 157 | Wada, Kazunori (1525) | Won 2-1 | +171571 |
| 6modern | 74 | Takeda, Harunobu (1565) | Lost 1-2 | -181553 |
| 7modern | 304 | Yonezawa, Musashi (1543) | Lost 1-2 | -181535 |
| 8modern | 239 | Koishihara, Akira (1520) | Won 2-1 | +181553 |
| 9modern | 186 | Shiraishi, Tomomi (1800) | Won 2-0 | +221575 |
| top | average opponent: 1559record: 5-3 | new rating: 1575 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 122 | Muralitheran, Hari (1406) | Lost 0-2 | -211517 |
| 3sealed | 366 | Kanda, Satoshi (1575) | Won 2-0 | +191536 |
| 4sealed | 316 | Furutate, Mikihiko (1444) | Won 2-0 | +171553 |
| 5sealed | 133 | Yasuhara, Hideto (1536) | Lost 0-2 | -191534 |
| 6sealed | 244 | Yao, Shunsuke (1623) | Lost 0-2 | -161518 |
| 7sealed | 294 | Kobayashi, Masanori (1564) | Won 2-0 | +191537 |
| top | average opponent: 1525record: 3-3 | new rating: 1537 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 89 | Murae, Ryuji (1535) | Won 2-1 | +171608 |
| 5standard | 14 | Sui, Xin (1688) | Lost 1-2 | -161592 |
| 6standard | 94 | Inoue, Shinta (1533) | Lost 1-2 | -201572 |
| 7standard | 105 | Takao, Shota (1681) | Lost 1-2 | -161556 |
| 8standard | 131 | Miyazaki, Kodai (1521) | Lost 1-2 | -181538 |
| top | average opponent: 1591record: 1-4 | new rating: 1538 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 25 | K., Toru (1518) | Won 2-1 | +171570 |
| 3extended | 61 | Satou, Kensuke (1501) | Lost 0-2 | -191551 |
| 4extended | 181 | Kajitani, Akinobu (1518) | Lost 1-2 | -191532 |
| 5extended | 185 | Nagami, Youichi (1449) | Lost 1-2 | -191513 |
| 6extended | 235 | Kuyama, Teppei (1480) | Won 2-0 | +171530 |
| 7extended | 156 | K., Daisuke (1522) | Won 2-0 | +181548 |
| 8extended | 124 | Goto, Yusei (1720) | Won 2-0 | +211569 |
| 9extended | 89 | Itou, Motoaki (1786) | Won 2-0 | +221591 |
| top | average opponent: 1562record: 5-3 | new rating: 1591 | ||
| Grand Prix Sendai 2010 (ROE standard) | starting rating: 1619 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 48 | Mori, Genki (1449) | Won 2-1 | +151634 |
| 3standard | 87 | Sato, Hiroshi (1526) | Lost 1-2 | -201614 |
| 4standard | 132 | Akagi, Yoshihiro (1522) | Won 2-0 | +161630 |
| 5standard | 160 | Nishizawa, Yasuhide (1585) | Lost 1-2 | -181612 |
| 6standard | 191 | kawaguti, shunn (1521) | Lost 1-2 | -201592 |
| 7standard | 249 | Saito, Tomoya (1632) | Lost 1-2 | -171575 |
| 8standard | 218 | Harada, Toshiya (1368) | Lost 1-2 | -221553 |
| top | average opponent: 1515record: 2-5 | new rating: 1553 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 88 | Kobashi, Motoki (1534) | Won 2-0 | +191496 |
| 2extended | 199 | Tsuruoka, Soutarou (1518) | Lost 0-2 | -171479 |
| 3extended | 281 | Sekine, Kiyotaka (1489) | Won 2-1 | +181497 |
| 4extended | 222 | Maki, Yousuke (1523) | Won 2-0 | +181515 |
| 5extended | 98 | Ushijima, Masaki (1537) | Won 2-1 | +191534 |
| 6extended | 40 | Takimoto, Yusuke (1556) | Won 2-1 | +181552 |
| 7extended | 76 | Inoue, Junji (1645) | Won 2-0 | +201572 |
| 8extended | 188 | Itou, Takanori (1535) | Won 2-1 | +171589 |
| 9extended | 24 | Nakayama, Takatsugu (1582) | Won 2-1 | +181607 |
| 10extended | 7 | Nakada, Ryo (1592) | Won 2-1 | +181625 |
| 11extended | 7 | Nakamura, Takatoshi (1703) | Won 2-1 | +191644 |
| 12extended | 2 | Kuroda, Masashiro (2082) | Lost 0-2 | -101634 |
| 13extended | 11 | Se, Atsuo (1635) | Lost 1-2 | -181616 |
| 14extended | 22 | Yao, Shunsuke (1675) | Won 2-0 | +191635 |
| 15extended | 11 | Sunada, Shougo (1768) | Lost 1-2 | -161619 |
| top | average opponent: 1625record: 11-4 | new rating: 1619 | ||
| Grand Prix Kitakyushu 2009 (ZEN limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Nagata, Shigeki (1560) | Lost 0-2 | -161455 |
| 2sealed | 131 | Katsumoto, Tomomi (1385) | Won 2-0 | +171472 |
| 3sealed | 159 | Ashikari, Yuuki (1501) | Won 2-1 | +181490 |
| 4sealed | 110 | Yanaseko, Kentarou (1545) | Lost 0-2 | -171473 |
| 5sealed | 161 | Tamura, Mitsuya (1520) | Won 2-1 | +191492 |
| 6sealed | 133 | Satou, Rin (1534) | Won 2-0 | +191511 |
| 7sealed | 109 | Tsuruta, Takayuki (1435) | Lost 0-2 | -191492 |
| 8sealed | 79 | Hayashi, Hiroki (1688) | Lost 0-2 | -151477 |
| top | average opponent: 1521record: 4-4 | new rating: 1477 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Suzuki, Takaaki (1747) | Lost 0-0 | -141512 |
| 2sealed | 204 | Yamasaki, Ippei (1428) | Lost 1-2 | -191493 |
| 3sealed | 261 | Tsukimoto, Kazuhiro (1307) | Lost 0-2 | -221471 |
| top | average opponent: 1494record: 0-3 | new rating: 1471 | ||
| Grand Prix Kitakyushu 2007 (LRW limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Matsushita, Tomoyuki (1467) | Lost 0-2 | -191516 |
| 2sealed | 122 | Yamamoto, Takahiro (1384) | Lost 0-1 | -201496 |
| 3sealed | 142 | Soma, Kazuki (1448) | Lost 1-2 | -191477 |
| 4sealed | 154 | Tsuboyama, Shuta (1430) | Won 2-1 | +171494 |
| 5sealed | 131 | Kato, Akinori (1472) | Won 2-1 | +181512 |
| 6sealed | 118 | Yuda, Shogo (1485) | Won 2-0 | +171529 |
| 7sealed | 37 | Nomura, Shintaro (1488) | Won 2-0 | +171546 |
| 8sealed | 41 | Ogata, Shouichirou (1437) | Lost 1-2 | -201526 |
| top | average opponent: 1451record: 4-4 | new rating: 1526 | ||
| Grand Prix Hiroshima 2006 (CSP limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 53 | Miura, Tadayuki (1450) | Won 2-1 | +181498 |
| 2sealed | 87 | Itou, Motoaki (1541) | Won 2-1 | +181516 |
| 3sealed | 8 | Takebayashi, Tomo (1548) | Won 2-1 | +191535 |
| 4sealed | 55 | Ishida, Itaru (1911) | Won 2-0 | +251560 |
| 5sealed | 3 | Shiwaku, Tsuyoshi (1707) | Draw 1-1 | +21562 |
| 6sealed | 16 | Ikeda, Tsuyoshi (1886) | Lost 0-2 | -121550 |
| 7sealed | 51 | Katayama, Hidenori (1662) | Lost 1-2 | -161534 |
| 8sealed | 15 | Shikata, Nobuaki (1612) | Draw 1-1 | +11535 |
| top | average opponent: 1665record: 4-2-2 | new rating: 1535 | ||
| Grand Prix Matsuyama 2005 (BOK limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Imamura, Hirotaka (1500) | Lost 0-2 | -181461 |
| 2sealed | 142 | Furukawa, Kazuya (1482) | Won 2-0 | +191480 |
| 3sealed | 140 | Yoshida, Motohiro (1501) | Draw 1-1 | 01480 |
| top | average opponent: 1494record: 1-1-1 | new rating: 1480 | ||
| Grand Prix Nagoya 2004 (5DN standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 32 | Kishi, Tatsunori (1629) | Lost 1-2 | -151446 |
| 5standard | 161 | Nakamura, Keisuke (1641) | Won 2-1 | +221468 |
| 6standard | 101 | Hirosawa, Yuuta (1708) | Won 2-1 | +221490 |
| 7standard | 75 | Matsuzaki, Shin (1567) | Won 2-0 | +201510 |
| 8standard | 40 | Matsuda, Yuuki (1529) | Lost 1-2 | -181492 |
| 9standard | 75 | Tanaka, Hisaya (1777) | Lost 0-2 | -131479 |
| top | average opponent: 1642record: 3-3 | new rating: 1479 | ||
| Grand Prix Okayama 2004 (extended) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 67 | Komura, Nobuhiro (1483) | Lost 1-2 | -171416 |
| 2extended | 121 | Saitou, Kotatsu (1482) | Won 2-0 | +191435 |
| 3extended | 129 | Shimizu, Akihiro (1636) | Won 2-0 | +221457 |
| 4extended | 126 | Aoki, Masanori (1456) | Lost 0-2 | -181439 |
| 5extended | 126 | Toyota, Hiroki (1500) | Won 2-1 | +191458 |
| 6extended | 93 | Aritomo, Taiki (1516) | Draw 1-1 | +11459 |
| 7extended | 90 | Umemiya, Tatsuya (1503) | Lost 1-2 | -171442 |
| 8extended | 84 | Yamakawa, Hiroyuki (1527) | Won 2-1 | +191461 |
| top | average opponent: 1513record: 4-3-1 | new rating: 1461 | ||
| Grand Prix Yokohama 2003 (Onslaught block) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 127 | Iwata, Mitsuhiro (1518) | Lost 0-2 | -191524 |
| 3block | 201 | Ishikka, Takehiro (1546) | Lost 1-2 | -171507 |
| 4block | 345 | Ogura, Shigeru (1484) | Lost 0-2 | -191488 |
| 5block | 336 | Mori, Junpei (1465) | Lost 0-2 | -181470 |
| 6block | 320 | Saito, Shuichi (1456) | Lost 1-2 | -181452 |
| 7block | 291 | Ichikawa, Yuichi (1427) | Lost 0-2 | -191433 |
| top | average opponent: 1483record: 0-6 | new rating: 1433 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Mishima, Hiroyuki (1500) | Won 2-1 | +181518 |
| 2sealed | 48 | Ooshiro, Hideto (1587) | Won 2-1 | +191537 |
| 3sealed | 52 | Higashino, Masayuki (1821) | Lost 0-2 | -131524 |
| 4sealed | 74 | Sato, Shinichi (1620) | Lost 1-2 | -161508 |
| 5sealed | 211 | Ohige, Tatsuya (1458) | Lost 0-2 | -191489 |
| 6sealed | 180 | Yoshita, Naohiro (1479) | Won 2-0 | +181507 |
| 7sealed | 152 | Takahasi, Tooru (1501) | Won 2-0 | +181525 |
| 8sealed | 140 | Ikeda, Daisuke (1520) | Won 2-1 | +181543 |
| top | average opponent: 1561record: 5-3 | new rating: 1543 | ||