Yamaguchi, Yu
Current rating: 1566
Record: 32-33
| Grand Prix Kobe 2017 (modern) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 514 | Makino, Hiroyuki (1539) | Lost 0-2 | -191553 |
| 3modern | 1097 | Takashima, Daisuke (1500) | Won 2-1 | +171570 |
| 4modern | 706 | Kotouge, Tatsuya (1687) | Lost 1-2 | -161554 |
| 5modern | 968 | Akai, Satoshi (1524) | Lost 0-2 | -181536 |
| 6modern | 1002 | Ishimoto, Yuki (1469) | Lost 1-2 | -191517 |
| 7modern | 1028 | Tanaka, Takahiro (1428) | Won 2-0 | +161533 |
| 8modern | 858 | Imai, Yu (1456) | Won 2-1 | +171550 |
| 9modern | 693 | Moriya, Nobutoshi (1454) | Won 2-0 | +161566 |
| top | average opponent: 1507record: 4-4 | new rating: 1566 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 449 | Yamazaki, Masaomi (1500) | Lost 1-2 | -181479 |
| 4standard | 721 | Obata, Ken (1466) | Won 2-0 | +181497 |
| 5standard | 573 | Maeda, Gaku (1410) | Won 2-1 | +161513 |
| 6standard | 330 | Horiguchi, Yu (1567) | Won 2-1 | +191532 |
| 7standard | 81 | Kosaka, Kazune (1572) | Lost 1-2 | -171515 |
| 8standard | 336 | Akase, Daisuke (1492) | Won 2-0 | +171532 |
| 9standard | 267 | Nagano, Keita (1802) | Won 2-0 | +231555 |
| 10standard | 52 | Ishiwada, Hiroyuki (1758) | Lost 0-2 | -141541 |
| 11standard | 219 | Tsuchihashi, Takuya (1757) | Lost 1-2 | -141527 |
| 12standard | 322 | Hayata, Akira (1766) | Won 2-0 | +221549 |
| 13standard | 250 | Furusawa, Shu (1551) | Won 2-1 | +181567 |
| 14standard | 130 | Inoue, Yu (1636) | Won 2-1 | +191586 |
| 15standard | 89 | Nakajima, Chikara (1777) | Lost 0-2 | -141572 |
| top | average opponent: 1619record: 8-5 | new rating: 1572 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 525 | Inami, Yuuki (1366) | Won 2-0 | +171480 |
| 2legacy | 446 | Matsumura, Toshikazu (1589) | Won 2-0 | +191499 |
| 3legacy | 471 | Hirasawa, Daisuke (1590) | Won 2-0 | +201519 |
| 4legacy | 174 | Pourmal, Sergei (1578) | Won 2-0 | +191538 |
| 5legacy | 21 | Takahashi, Toshiki (1561) | Won 2-0 | +191557 |
| 6legacy | 61 | Katou, Yuki (1586) | Won 2-0 | +181575 |
| 7legacy | 25 | Saito, Tomoya (1687) | Lost 1-2 | -161559 |
| 8legacy | 31 | Kudou, Takunori (1651) | Lost 1-2 | -161543 |
| 9legacy | 118 | Iijima, Akihisa (1562) | Lost 0-2 | -181525 |
| 10legacy | 305 | Sekiguchi, Kota (1619) | Lost 0-2 | -161509 |
| 11legacy | 281 | Takao, Shota (1852) | Lost 0-2 | -121497 |
| top | average opponent: 1604record: 6-5 | new rating: 1497 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 260 | Kanari, Ken (1597) | Won 2-0 | +211461 |
| 2standard | 515 | Kumura, Kazuya (1518) | Won 2-1 | +191480 |
| 3standard | 374 | Ainai, Taku (1500) | Lost 0-2 | -181462 |
| 4standard | 486 | Juumonji, Ryou (1668) | Lost 0-2 | -141448 |
| 5standard | 946 | Saito, Kodai (1499) | Won 2-1 | +191467 |
| 6standard | 648 | Rama, Harry (1488) | Won 2-1 | +181485 |
| 7standard | 633 | Kato, Hiroki (1608) | Won 2-1 | +201505 |
| 8standard | 455 | Takeuchi, Satoshi (1557) | Won 2-1 | +191524 |
| 9standard | 237 | Matsumoto, Yuki1423 (1756) | Lost 1-2 | -141510 |
| 10standard | 439 | Sasao, Yusuke (1612) | Lost 1-2 | -161494 |
| 11standard | 418 | Syoriken, Kazuma (1537) | Lost 0-2 | -171477 |
| 12standard | 386 | Kibe, Keisuke (1712) | Lost 0-2 | -141463 |
| top | average opponent: 1588record: 6-6 | new rating: 1463 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 280 | Minami, Takahiro (1590) | Won 2-0 | +211461 |
| 2standard | 174 | Umeyama, Naoki (1402) | Lost 1-2 | -201441 |
| 3standard | 747 | Tomiyama, Shin (1384) | Won 2-0 | +171458 |
| 4standard | 375 | Kuze, Shouta (1780) | Lost 0-2 | -121446 |
| 5standard | 822 | Nakayama, Hiroshi (1439) | Won 2-0 | +181464 |
| 6standard | 654 | Kashiwagi, Yuki (1510) | Won 2-1 | +191483 |
| 7standard | 275 | Bae, Sanghoon (1513) | Lost 1-2 | -181465 |
| 8standard | 411 | Mishima, Wataru (1748) | Lost 0-2 | -131452 |
| 9standard | 483 | Miyazono, Takeshi (1764) | Lost 0-2 | -121440 |
| top | average opponent: 1570record: 4-5 | new rating: 1440 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 809 | Nagai, Rikiya (1500) | Lost 0-2 | -171440 |
| top | record: 0-1 | new rating: 1440 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 205 | Satou, Akihiko (1574) | Lost 1-2 | -171475 |
| 2sealed | 396 | Yamamoto, Daichi (1454) | Lost 0-2 | -181457 |
| top | average opponent: 1514record: 0-2 | new rating: 1457 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 35 | Okamoto, Masahiro (1476) | Won 2-1 | +181499 |
| 2extended | 101 | Yotsumoto, Yuki (1742) | Lost 1-2 | -141485 |
| 3extended | 111 | Suzuki, Keisuke (1609) | Won 2-1 | +211506 |
| 4extended | 189 | H., Kazuya (1504) | Won 2-0 | +181524 |
| 5extended | 102 | Murata, Shouta (1533) | Lost 1-2 | -181506 |
| 6extended | 111 | Niimi, Kiyoaki (1735) | Lost 0-2 | -141492 |
| top | average opponent: 1600record: 3-3 | new rating: 1492 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 95 | Ushioda, Junya (1451) | Won 2-1 | +171517 |
| 2extended | 60 | Kitabayashi, Nobuyuki (1518) | Lost 0-2 | -181499 |
| 3extended | 150 | Okajima, Masahiro (1502) | Lost 1-2 | -181481 |
| top | average opponent: 1490record: 1-2 | new rating: 1481 | ||