Miyashita, Kazuki
Current rating: 1518
Record: 34-34
| Grand Prix Kobe 2017 (modern) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 478 | Yoshimura, Asuka (1484) | Lost 1-2 | -191512 |
| 2modern | 771 | Kataoka, Kodai (1476) | Lost 1-2 | -191493 |
| 3modern | 1282 | Matsubara, Keigo (1468) | Won 2-1 | +181511 |
| 4modern | 1195 | Fujioka, Kenta (1409) | Won 2-1 | +161527 |
| 5modern | 891 | Kyoumoto, Takeru (1334) | Won 2-1 | +151542 |
| 6modern | 535 | Akase, Daisuke (1441) | Lost 0-2 | -201522 |
| 7modern | 791 | Adachi, Yoshizumi (1403) | Won 2-0 | +161538 |
| 8modern | 600 | Amornjarusiri, Pathorn (1464) | Lost 0-2 | -201518 |
| top | average opponent: 1435record: 4-4 | new rating: 1518 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 295 | Hayashi, Yuhei (1488) | Lost 1-2 | -201560 |
| 2standard | 803 | Shimono, Tetsuro (1608) | Won 2-0 | +191579 |
| 3standard | 1083 | Matsui, Shintaro (1392) | Lost 0-2 | -211558 |
| 4standard | 985 | Ozawa, Ryoichi (1482) | Won 2-0 | +161574 |
| 5standard | 1013 | Yamamura, Shouma (1491) | Lost 0-2 | -191555 |
| 6standard | 888 | Sumiya, Takayuki (1379) | Lost 1-2 | -211534 |
| 7standard | 1048 | Nakao, Tatsuo (1431) | Won 2-0 | +161550 |
| 8standard | 792 | Shibata, Masataka (1497) | Lost 1-2 | -191531 |
| top | average opponent: 1471record: 3-5 | new rating: 1531 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 299 | Hayashi, Masashi (1446) | Lost 1-2 | -211568 |
| 2modern | 435 | Oshima, Takashi (1481) | Lost 1-2 | -191549 |
| 3modern | 679 | Tanaka, Toshinao (1464) | Won 2-1 | +161565 |
| 4modern | 588 | Kawano, Junya (1543) | Won 2-0 | +181583 |
| 5modern | 499 | Isoda, Hideya (1499) | Lost 1-2 | -201563 |
| 6modern | 480 | Yazu, Yasuhiro (1482) | Won 2-0 | +171580 |
| top | average opponent: 1486record: 3-3 | new rating: 1580 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 94 | K., Masanori (1518) | Won 2-0 | +161627 |
| 3extended | 67 | Kawakami, Kazuto (1748) | Lost 0-2 | -161611 |
| 4extended | 102 | Hiramatsu, Mamoru (1518) | Lost 1-2 | -191592 |
| 5extended | 212 | Sakaguchi, Naoki (1454) | Won 2-1 | +151607 |
| 6extended | 104 | Okada, Takuya (1600) | Lost 1-2 | -181589 |
| top | average opponent: 1568record: 2-3 | new rating: 1589 | ||
| Grand Prix Yokohama 2010 (extended) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 408 | Hasegawa, Gaku (1518) | Won 2-1 | +191521 |
| 2extended | 172 | Onoda, Yutaka (1519) | Won 2-0 | +181539 |
| 3extended | 131 | Yoon, SooHan (1706) | Lost 1-2 | -151524 |
| 4extended | 169 | Tsuboyama, Shuta (1479) | Won 2-1 | +171541 |
| 5extended | 191 | Hosaka, Masateru (1494) | Won 2-1 | +171558 |
| 6extended | 56 | Kumagai, Haruka (1541) | Won 2-1 | +181576 |
| 7extended | 56 | Tagomori, Shou (1578) | Won 2-0 | +181594 |
| 8extended | 120 | Chiba, Ryou (1561) | Won 2-1 | +171611 |
| 9extended | 5 | Watanabe, Yuuya (2006) | Won 2-0 | +251636 |
| 10extended | 8 | Kudo, Koichi (1691) | Won 2-0 | +191655 |
| 11extended | 2 | Nakano, Tatsuhito (1561) | Lost 0-2 | -201635 |
| 12extended | 8 | Taru, Genki (1832) | Won 2-0 | +221657 |
| 13extended | 6 | Suzuki, Taiki (1699) | Lost 1-2 | -171640 |
| 14extended | 15 | Brozek, Petr (1932) | Lost 1-2 | -131627 |
| 15extended | 21 | Kowal, Brian (1745) | Lost 1-2 | -161611 |
| top | average opponent: 1658record: 10-5 | new rating: 1611 | ||
| Grand Prix Kobe 2009 (extended) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 59 | Minoshima, Takenori (1446) | Lost 1-2 | -201514 |
| 5extended | 71 | Nakatani, Shinji (1482) | Won 2-1 | +181532 |
| 6extended | 64 | Choo, Yong Han (1923) | Lost 0-2 | -111521 |
| 7extended | 140 | Okumura, Katsuhiko (1501) | Lost 1-2 | -191502 |
| top | average opponent: 1588record: 1-3 | new rating: 1502 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 33 | Kasahara, Yuuki (1522) | Won 2-1 | +171586 |
| 5standard | 33 | Tanida, Akimasa (1501) | Won 2-1 | +171603 |
| 6standard | 17 | Ishii, Taisuke (1651) | Lost 0-2 | -181585 |
| 7standard | 252 | Azuma, Motokiyo (1799) | Lost 1-2 | -141571 |
| 8standard | 173 | Kimura, Takuto (1514) | Lost 1-2 | -191552 |
| 9standard | 77 | Matsumoto, Masataka (1543) | Lost 0-2 | -181534 |
| top | average opponent: 1588record: 2-4 | new rating: 1534 | ||
| Grand Prix Kyoto 2007 (PLC standard) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 29 | Chao, Peter (1613) | Won 2-0 | +211491 |
| 5standard | 36 | Akiyama, Takashi (1577) | Won 2-1 | +191510 |
| 6standard | 14 | Yamauchi, Shou (1531) | Won 2-1 | +181528 |
| 7standard | 6 | Yokoyama, Shouta (1576) | Won 2-0 | +191547 |
| 8standard | 1 | Naitou, Keisuke (1582) | Lost 0-2 | -171530 |
| 9standard | 9 | Yanagi, Hiroki (1740) | Won 2-1 | +221552 |
| 10standard | 11 | Takahashi, Yuta (1731) | Won 2-1 | +211573 |
| 11standard | 32 | Iyanaga, Junya (1759) | Won 2-1 | +211594 |
| 12standard | 26 | Shimizu, Naoki (1673) | Won 2-0 | +201614 |
| 13standard | 34 | Azuma, Motokiyo (1888) | Lost 1-2 | -131601 |
| 14standard | 58 | Ide, Katsuhiro (1720) | Lost 0-2 | -161585 |
| 15standard | 9 | Motoyama, Kazuhiko (1705) | Lost 1-2 | -161569 |
| top | average opponent: 1675record: 8-4 | new rating: 1569 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 13 | Katsu, Masahiro (1376) | Won 2-1 | +161516 |
| 2block | 66 | Katayama, Hidenori (1620) | Lost 0-2 | -161500 |
| 3block | 113 | Yamagishi, Yuichi (1760) | Lost 0-2 | -141486 |
| 4block | 193 | Hashimoto, Yuu (1577) | Lost 0-2 | -161470 |
| top | average opponent: 1583record: 1-3 | new rating: 1470 | ||