Yamaguchi, Takumi
Current rating: 1511
Record: 51-49-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 124 | Nakaima, Shuntarou (1372) | Won 2-1 | +161506 |
| 2pioneer | 180 | Otsu, Shuhei (1451) | Won 2-1 | +171523 |
| 3pioneer | 153 | Aoki, Yoshitsugu (1758) | Lost 0-2 | -141509 |
| 4pioneer | 306 | Matsuura, Shuhei (1465) | Won 2-0 | +171526 |
| 5pioneer | 191 | Takezawa, Kyohei (1590) | Lost 0-2 | -161510 |
| 6pioneer | 360 | Lim, Junghun (1561) | Won 2-1 | +181528 |
| 7pioneer | 214 | Tanigawa, Futa (1581) | Lost 0-2 | -171511 |
| top | average opponent: 1540record: 4-3 | new rating: 1511 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 205 | Hashizume, Nobuyuki (1637) | Lost 1-2 | -161512 |
| 2standard | 519 | Abe, Yuuta (1616) | Lost 0-2 | -161496 |
| 3standard | 835 | Yamada, Yuta (1365) | Lost 1-2 | -211475 |
| 4standard | 832 | Kato, Takashi (1391) | Won 2-1 | +171492 |
| 5standard | 771 | Kojima, Hiroki (1463) | Won 2-0 | +171509 |
| 6standard | 645 | Uesugi, Fumiya (1494) | Lost 1-2 | -181491 |
| 7standard | 567 | Ikeda, Atsuo (1461) | Lost 1-2 | -181473 |
| 8standard | 525 | Ishikawa, Takuro (1448) | Won 2-0 | +171490 |
| top | average opponent: 1484record: 3-5 | new rating: 1490 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 367 | Tsuchida, Yoshitaka (1447) | Won 2-0 | +171526 |
| 2modern | 298 | Someoka, Takuya (1518) | Lost 1-2 | -191507 |
| 3modern | 913 | Frederick Venantius, Nathaniel Trevor (1500) | Won 2-1 | +181525 |
| 4modern | 290 | Ogino, Hiroki (1622) | Lost 0-2 | -161509 |
| 5modern | 799 | Eguchi, Yukio (1591) | Lost 1-2 | -171492 |
| 6modern | 764 | Hirano, Shingo (1540) | Won 2-0 | +191511 |
| 7modern | 592 | Monna, Takaaki (1434) | Won 2-1 | +171528 |
| top | average opponent: 1521record: 4-3 | new rating: 1528 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 473 | Ootake, Takeshi (1616) | Won 2-0 | +201502 |
| 2standard | 253 | Sugiura, Hiroki (1489) | Won 2-0 | +181520 |
| 3standard | 218 | Miyamoto, Hiroya (1828) | Won 2-0 | +231543 |
| 5standard | 244 | Zhou, Rui (1457) | Won 2-0 | +171560 |
| 6standard | 213 | Kitahara, Junya (1605) | Lost 1-2 | -181542 |
| 7standard | 262 | Suzuki, Ryo (1698) | Lost 0-2 | -151527 |
| 8standard | 339 | Nakazawa, Yusuke (1495) | Lost 1-2 | -181509 |
| top | average opponent: 1598record: 4-3 | new rating: 1509 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Watanabe, Ryuji (1641) | Lost 0-2 | -161500 |
| 2sealed | 955 | Yoshimura, Akira (1486) | Lost 1-2 | -181482 |
| 3sealed | 1164 | Kageyama, Taiki (1462) | Won 2-1 | +181500 |
| 4sealed | 926 | Yoshikawa, Takuma (1495) | Lost 1-2 | -181482 |
| top | average opponent: 1521record: 1-3 | new rating: 1482 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 563 | Hamasaki, Yuzuru (1563) | Won 2-1 | +191519 |
| 2modern | 269 | Okada, Fumia (1553) | Lost 0-2 | -171502 |
| 3modern | 832 | Yoshimoto, Takashi (1349) | Won 2-1 | +151517 |
| 4modern | 500 | Kimura, Yu (1581) | Won 2-1 | +191536 |
| 5modern | 569 | Kamikawa, Takuya (1489) | Lost 1-2 | -181518 |
| 6modern | 715 | Gondo, Kosuke (1529) | Lost 1-2 | -181500 |
| 7modern | 684 | Igarashi, Hisashi (1432) | Lost 0-2 | -191481 |
| 8modern | 902 | Teramoto, Tsubasa (1444) | Won 2-0 | +171498 |
| 9modern | 742 | Yamamoto, Junnosuke (1501) | Won 2-0 | +181516 |
| top | average opponent: 1493record: 5-4 | new rating: 1516 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 149 | Itou, Hayato (1516) | Lost 1-2 | -191536 |
| 4standard | 741 | Itatsu, Hiroki (1514) | Won 2-0 | +181554 |
| 5standard | 298 | Takiguchi, Yuta (1613) | Lost 0-2 | -171537 |
| 6standard | 741 | Miyawaki, Takeshi (1704) | Lost 1-2 | -151522 |
| 7standard | 741 | Ishikawa, Shouzou (1505) | Won 2-1 | +171539 |
| 8standard | 611 | Hashimoto, Hiromune (1493) | Lost 1-2 | -181521 |
| 9standard | 633 | Endou, Takahiro (1397) | Lost 1-2 | -211500 |
| top | average opponent: 1534record: 2-5 | new rating: 1500 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 281 | Murakami, Yamato (1483) | Lost 0-2 | -191551 |
| 2legacy | 832 | Nakamura, Makoto (1364) | Lost 0-2 | -221529 |
| 3legacy | 1113 | Morizaki, Yuki (1463) | Draw 1-1 | -11528 |
| 4legacy | 1104 | Furuse, Noriaki (1459) | Won 2-1 | +171545 |
| 5legacy | 943 | Yusuke, Takeuchi (1462) | Won 2-0 | +161561 |
| 6legacy | 748 | Yoshikawa, Takuma (1436) | Lost 1-2 | -201541 |
| 7legacy | 862 | Tamura, Nobuyuki (1422) | Lost 0-2 | -201521 |
| 8legacy | 832 | Cheng, Victor (1465) | Won 2-0 | +171538 |
| 9legacy | 685 | Masuda, Satoshi (1483) | Won 2-0 | +171555 |
| top | average opponent: 1449record: 4-4-1 | new rating: 1555 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 740 | Nakano, Atsushi (1673) | Won 2-0 | +201578 |
| 2standard | 15 | Kon, Satoshi (1535) | Lost 1-2 | -181560 |
| 3standard | 1263 | Nisigahana, Tatunori (1332) | Lost 1-2 | -231537 |
| 4standard | 1184 | Suzuki, Taiki (1651) | Lost 1-2 | -151522 |
| 5standard | 1339 | Nakanomori, Toshikatsu (1465) | Won 2-0 | +161538 |
| 6standard | 1239 | Kaieda, Hikaru (1481) | Won 2-1 | +171555 |
| 7standard | 1034 | Moriguchi, Yuki (1503) | Won 2-0 | +171572 |
| 8standard | 657 | Ikeyama, Kei (1578) | Won 2-1 | +191591 |
| 9standard | 565 | Furugen, Takeji (1453) | Lost 0-2 | -211570 |
| top | average opponent: 1519record: 5-4 | new rating: 1570 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1101 | Ejima, Kazuki (1561) | Won 2-1 | +171625 |
| 2sealed | 1121 | Mochizuki, Yuu (1479) | Won 2-1 | +161641 |
| 3sealed | 961 | Yanase, Kaname (1643) | Lost 0-2 | -181623 |
| 4sealed | 1007 | Takahira, Takashi (1571) | Lost 1-2 | -191604 |
| 5sealed | 1177 | Chin, Mouse (1560) | Lost 1-2 | -191585 |
| 6sealed | 1150 | Kawano, Takahiro (1451) | Won 2-0 | +151600 |
| 7sealed | 1075 | Koide, Yuichi (1437) | Lost 1-2 | -211579 |
| 8sealed | 1009 | Takamizawa, Shigeyoshi (1404) | Lost 1-2 | -211558 |
| top | average opponent: 1513record: 3-5 | new rating: 1558 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 355 | Hirosawa, Yuuta (1698) | Lost 1-2 | -161584 |
| 2modern | 424 | Hanaoka, Hiroaki (1412) | Won 2-1 | +151599 |
| 3modern | 348 | Tamura, Tomoaki (1562) | Won 2-1 | +171616 |
| 4modern | 273 | Moriya, Takeshi (1523) | Won 2-0 | +161632 |
| 5modern | 132 | Hujita, Takehiro (1537) | Lost 0-2 | -191613 |
| 6modern | 201 | Takata, Kouhei (1544) | Won 2-1 | +161629 |
| 7modern | 272 | Yoshioka, Katsuya (1538) | Lost 0-2 | -191610 |
| 8modern | 228 | Takenaga, Tomohiro (1608) | Lost 0-2 | -181592 |
| 9modern | 235 | Ishii, Takeshi (1503) | Won 2-0 | +161608 |
| top | average opponent: 1547record: 5-4 | new rating: 1608 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1021 | Meguro, Kaito (1500) | Won 2-0 | +171576 |
| 2sealed | 816 | Hirosawa, Yuuichirou (1499) | Lost 0-2 | -201556 |
| 3sealed | 1015 | Kaido, Shigeto (1577) | Won 2-1 | +191575 |
| 4sealed | 950 | Imai, Satoshi (1696) | Won 2-1 | +201595 |
| 5sealed | 820 | Ootsuka, Koutarou (1882) | Won 2-1 | +231618 |
| 6sealed | 765 | Kojima, Tsubasa (1562) | Won 2-0 | +171635 |
| 7sealed | 681 | Ueno, Shinichi (1709) | Lost 0-2 | -171618 |
| 8sealed | 961 | I., Satoshi (1607) | Lost 0-2 | -181600 |
| top | average opponent: 1629record: 5-3 | new rating: 1600 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 83 | Hinohara, Toyokazu (1504) | Won 2-1 | +181518 |
| 2standard | 248 | Watanabe, Masashi (1518) | Won 2-1 | +181536 |
| 3standard | 40 | Oiso, Kenji (1522) | Won 2-1 | +181554 |
| 4standard | 144 | Kurusu, Kazuki (1562) | Lost 0-2 | -181536 |
| 5standard | 190 | Meguro, Masahiko (1494) | Lost 1-2 | -191517 |
| 6standard | 361 | Sugimoto, Yuuki (1551) | Won 2-1 | +191536 |
| 7standard | 258 | Maruyama, Satoshi (1585) | Lost 0-2 | -171519 |
| 8standard | 300 | Arai, Ryou (1418) | Won 2-1 | +161535 |
| 9standard | 231 | Nagaoka, Takayuki (1863) | Won 2-0 | +241559 |
| top | average opponent: 1557record: 6-3 | new rating: 1559 | ||