Yamazaki, Jun
Current rating: 1399
Record: 38-49
| Grand Prix Kobe 2017 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 88 | Atsuji, Makoto (1535) | Lost 0-2 | -161410 |
| 3modern | 925 | Shibata, Akira (1499) | Lost 0-2 | -171393 |
| 4modern | 1185 | Naito, Yusuke (1483) | Won 2-0 | +201413 |
| 5modern | 843 | Ohmori, Yoshitsugu (1423) | Lost 0-2 | -181395 |
| 6modern | 1055 | Shinohara, Gen 8257 (1471) | Won 2-1 | +191414 |
| 7modern | 902 | Tomita, Ryutaro (1540) | Lost 0-2 | -151399 |
| top | average opponent: 1492record: 2-4 | new rating: 1399 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 519 | Makino, Tatsuya (1431) | Lost 0-2 | -181437 |
| 3standard | 1062 | Hyodo, Kosuke (1609) | Lost 1-2 | -151422 |
| 4standard | 1117 | Nobata, Tatsuya (1486) | Won 2-1 | +191441 |
| 5standard | 787 | Mita, Hiroki (1506) | Won 2-1 | +191460 |
| 6standard | 531 | Nishimoto, Kouhei (1454) | Lost 0-2 | -181442 |
| 7standard | 828 | Muramatsu, Yoshiyuki (1527) | Lost 1-2 | -161426 |
| top | average opponent: 1502record: 2-4 | new rating: 1426 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 232 | Takeuchi, Keisuke (1455) | Lost 1-2 | -181430 |
| 3legacy | 875 | Nohara, Hiromitsu (1468) | Lost 1-2 | -171413 |
| 4legacy | 1068 | Takahashi, Haruki (1486) | Won 2-1 | +191432 |
| 5legacy | 619 | Nishiura, Natsu (1494) | Won 2-0 | +191451 |
| 6legacy | 643 | Nishiyama, Shinosuke (1476) | Won 2-1 | +191470 |
| 7legacy | 447 | Morikawa, Taichi (1655) | Lost 0-2 | -151455 |
| 8legacy | 499 | Yamada, Ryusuke (1386) | Lost 0-2 | -191436 |
| 9legacy | 555 | Maruyama, Syouta9472 (1504) | Won 2-1 | +191455 |
| top | average opponent: 1490record: 4-4 | new rating: 1455 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 78 | Ebitani, Keisuke (1732) | Lost 1-2 | -141500 |
| 3standard | 1361 | Kobayashi, Hisato (1500) | Lost 0-2 | -181482 |
| 4standard | 1478 | Katsubayashi, Nobuhisa (1633) | Lost 1-2 | -161466 |
| 5standard | 1513 | Hatakeyama, Tomoki (1452) | Lost 1-2 | -181448 |
| top | average opponent: 1579record: 0-4 | new rating: 1448 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 434 | Yoshioka, Norisato (1490) | Won 2-0 | +201424 |
| 3sealed | 26 | Hamada, Yuusai (1386) | Lost 1-2 | -191405 |
| 4sealed | 553 | Kobayashi, Kai (1491) | Won 2-1 | +201425 |
| 5sealed | 416 | Kawai, Hiroki1988 (1500) | Won 2-1 | +191444 |
| 6sealed | 290 | Yutaka, Ryohei (1655) | Lost 1-2 | -141430 |
| 7sealed | 369 | Yuta, Inaoka (1490) | Won 2-0 | +191449 |
| 8sealed | 363 | Liao, Yi-Nan (1705) | Won 2-1 | +231472 |
| 9sealed | 93 | Hatakeyama, Atsushi (1572) | Won 2-0 | +201492 |
| 10draft | 175 | Matsui, Hisataka (1793) | Won 2-1 | +231515 |
| 11draft | 290 | Miyabe, Kouichi (1688) | Won 2-0 | +211536 |
| 12draft | 112 | Ishiwada, Hiroyuki (1689) | Lost 0-2 | -151521 |
| 13draft | 260 | Iwasawa, Fumiya (1697) | Won 2-1 | +211542 |
| 14draft | 88 | Kitamoto, Hiroki (1782) | Lost 1-2 | -141528 |
| 15draft | 196 | Lee, Joon Soo (1721) | Lost 0-2 | -141514 |
| top | average opponent: 1619record: 9-5 | new rating: 1514 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 482 | Hayashi, Shinsuke (1920) | Lost 1-2 | -101440 |
| 3standard | 844 | Okada, Hajime (1438) | Lost 0-2 | -181422 |
| 4standard | 1104 | Atsumi, Yoshihiro (1469) | Lost 0-2 | -181404 |
| top | average opponent: 1609record: 0-3 | new rating: 1404 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 12 | Yonezu, Kazutoyo (1500) | Lost 0-2 | -171448 |
| 2legacy | 295 | Sakurabayashi, Gaku (1481) | Lost 0-2 | -181430 |
| 3legacy | 452 | Kihara, Yasuyuki (1431) | Won 2-0 | +181448 |
| 4legacy | 382 | Komori, Koudai (1481) | Lost 0-2 | -171431 |
| 5legacy | 393 | Makita, Hiroshi (1469) | Won 2-1 | +181449 |
| 6legacy | 331 | Shirakawa, Hiroaki (1454) | Won 2-0 | +191468 |
| 7legacy | 246 | Ito, Takuya (1413) | Won 2-1 | +171485 |
| 8legacy | 172 | Kamada, Hiroki (1519) | Lost 0-2 | -181467 |
| 9legacy | 161 | Ootuka, Yasumasa (1495) | Lost 0-2 | -171450 |
| top | average opponent: 1471record: 4-5 | new rating: 1450 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 48 | Tanabe, Kyohei (1536) | Won 2-0 | +201489 |
| 4sealed | 11 | Watanabe, Yoshiaki (1470) | Lost 1-2 | -191470 |
| 5sealed | 128 | Nakamura, Masato2133 (1620) | Lost 1-2 | -151455 |
| 6sealed | 154 | Cosic, Refik (1496) | Won 2-0 | +191474 |
| 7sealed | 135 | Furusawa, Tsukasa (1521) | Won 2-1 | +191493 |
| 8sealed | 96 | Nakamura, Atsushi (1794) | Lost 0-2 | -131480 |
| 9sealed | 132 | Aoki, Yoshitsugu (1638) | Lost 1-2 | -151465 |
| top | average opponent: 1582record: 3-4 | new rating: 1465 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 780 | Fukunaga, Nao (1521) | Won 2-0 | +171562 |
| 3modern | 734 | Kawano, Junichi (1575) | Lost 0-2 | -181544 |
| 4modern | 828 | Tashiro, Kouichi (1659) | Lost 0-2 | -161528 |
| 5modern | 1055 | Hagiwara, Yuuta (1417) | Lost 0-2 | -201508 |
| 6modern | 1093 | Baba, Yuusuke (1486) | Lost 1-2 | -181490 |
| 7modern | 1036 | Yoshizawa, Kohei (1462) | Lost 1-2 | -181472 |
| 8modern | 980 | Sugawara, Takaomi (1411) | Lost 1-2 | -201452 |
| 9modern | 949 | Iyota, Makito (1401) | Won 2-1 | +171469 |
| top | average opponent: 1491record: 2-6 | new rating: 1469 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 141 | Furuta, Yusuke (1656) | Lost 1-2 | -161527 |
| 3sealed | 336 | Fukai, Shingo (1468) | Won 2-1 | +171544 |
| 4sealed | 259 | Senoo, Yuto (1542) | Won 2-1 | +181562 |
| 5sealed | 62 | Kawabata, Tsubasa (1507) | Lost 0-2 | -191543 |
| 6sealed | 243 | Jeong, Ki Myoung (1747) | Lost 1-2 | -151528 |
| 7sealed | 234 | Kato, Akinori (1477) | Lost 1-2 | -191509 |
| 8sealed | 217 | Yoshioka, Norisato (1486) | Won 2-0 | +181527 |
| 9sealed | 146 | Yoshimura, Wataru (1503) | Won 2-1 | +181545 |
| top | average opponent: 1548record: 4-4 | new rating: 1545 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 144 | Kojima, Toshihiro (1370) | Lost 0-2 | -201464 |
| 2standard | 322 | Kitabayashi, Takashi (1736) | Won 2-1 | +231487 |
| 3standard | 350 | Iwata, Takahiro (1516) | Won 2-0 | +181505 |
| 4standard | 245 | Mano, Mitsunobu (1521) | Won 2-0 | +191524 |
| 5standard | 134 | Sakai, Yuya (1491) | Won 2-1 | +171541 |
| 6standard | 71 | Fujimoto, Yosuke (1600) | Lost 1-2 | -171524 |
| 7standard | 79 | Suzuki, Koudai (1519) | Won 2-1 | +181542 |
| 8standard | 121 | Yoshida, Takefumi (1565) | Won 2-1 | +191561 |
| 9standard | 204 | Okamura, Ryoma (1570) | Lost 0-2 | -181543 |
| top | average opponent: 1543record: 6-3 | new rating: 1543 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Iwazaki, Yuuta (1589) | Lost 0-2 | -161484 |
| 2standard | 653 | Jinguu, Takanori (1482) | Won 2-1 | +181502 |
| 3standard | 386 | Satou, Ryousuke (1491) | Won 2-0 | +171519 |
| 4standard | 397 | Mochizuki, Yuusuke (1584) | Lost 1-2 | -161503 |
| 5standard | 556 | Sugisawa, Daiki (1479) | Lost 0-2 | -191484 |
| top | average opponent: 1525record: 2-3 | new rating: 1484 | ||