Miwa, Kazuki
Current rating: 1503
Record: 27-29-2
| Grand Prix Yokohama 2019 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 99 | Ugaki, Tomohiro (1500) | Lost 0-2 | -181467 |
| 2modern | 876 | Sakata, Saku (1486) | Lost 1-2 | -171450 |
| 3modern | 1161 | Aiba, Noriaki (1463) | Won 2-0 | +181468 |
| 4modern | 1072 | Matsuo, Shuto (1591) | Draw 1-1 | +21470 |
| 5modern | 955 | Sarashino, Takeshi (1430) | Won 2-1 | +181488 |
| 6modern | 743 | Takemura, Yushi (1499) | Won 2-0 | +181506 |
| 7modern | 541 | Yanagihara, Ryuto (1367) | Won 2-0 | +151521 |
| 8modern | 368 | Ochi, Takahiro (1520) | Lost 1-2 | -181503 |
| top | average opponent: 1482record: 4-3-1 | new rating: 1503 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 741 | Igarasi, Yousuke (1500) | Won 2-1 | +191465 |
| 2sealed | 305 | Tsuchiya, Hideaki (1947) | Lost 0-2 | -91456 |
| 3sealed | 795 | Kushida, Takafumi (1539) | Won 2-0 | +191475 |
| 4sealed | 591 | Hayakawa, Sho (1554) | Won 2-0 | +201495 |
| 5sealed | 277 | Baba, Takashi (1573) | Won 2-1 | +191514 |
| 6sealed | 228 | Matsushita, Takayuki (1576) | Lost 0-2 | -171497 |
| 7sealed | 364 | Shinomiya, Yusuke (1400) | Won 2-1 | +161513 |
| 8sealed | 247 | Tomioka, Teppei (1560) | Won 2-0 | +191532 |
| 9sealed | 202 | Motegi, Ryouta (1538) | Won 2-0 | +181550 |
| 10draft | 769 | Fukuhara, Asumu (1545) | Lost 0-2 | -181532 |
| 11draft | 576 | Fukushima, Hiromoto (1587) | Lost 0-2 | -171515 |
| 12draft | 749 | Otahara, Sho (1657) | Lost 0-2 | -151500 |
| 13draft | 756 | Ikeda, Takahiro (1691) | Lost 0-2 | -151485 |
| top | average opponent: 1590record: 7-6 | new rating: 1485 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 621 | Sakurai, Seiya (1500) | Draw 1-1 | +11461 |
| 2sealed | 556 | Sakata, Atsushi (1452) | Won 2-1 | +181479 |
| 3sealed | 556 | Konishi, Akio (1522) | Lost 0-2 | -181461 |
| 4sealed | 795 | Matsushima, Naoki (1223) | Won 2-0 | +141475 |
| 5sealed | 560 | Tse, Yuk Yin (1549) | Won 2-1 | +191494 |
| 6sealed | 359 | Iwamoto, Nobuyuki (1761) | Lost 1-2 | -131481 |
| 7sealed | 554 | Ichii, Hiroaki (1511) | Lost 1-2 | -171464 |
| 8sealed | 669 | Nakajima, Takuya (1505) | Lost 1-2 | -181446 |
| top | average opponent: 1503record: 3-4-1 | new rating: 1446 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 568 | Usami, Taro (1755) | Won 2-0 | +231497 |
| 2modern | 93 | Takada, Narumasa (1493) | Lost 0-2 | -191478 |
| 3modern | 763 | Uchiyama, Takato (1499) | Lost 0-2 | -171461 |
| 4modern | 1177 | Take, Toshiharu (1475) | Won 2-1 | +181479 |
| 5modern | 963 | Yoshino, Kohei (1476) | Lost 0-2 | -181461 |
| 6modern | 876 | Sugimoto, Hiroaki (1490) | Lost 1-2 | -171444 |
| 7modern | 1079 | Kakiki, Ayumu (1316) | Won 2-0 | +151459 |
| 8modern | 804 | Nabetani, Yosuke (1479) | Lost 1-2 | -171442 |
| 9modern | 801 | Tanaka, Hiroyuki (1462) | Won 2-0 | +181460 |
| top | average opponent: 1494record: 4-5 | new rating: 1460 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1081 | Otsuka, Yasumasa (1484) | Won 2-0 | +181471 |
| 2standard | 688 | Nagase, Yuuichi (1317) | Won 2-0 | +151486 |
| 3standard | 141 | Tsuzaki, Akira (1517) | Lost 0-2 | -171469 |
| 4standard | 643 | Yohii, Shota (1534) | Won 2-0 | +191488 |
| 5standard | 587 | Takagi, Hayato (1574) | Lost 1-2 | -161472 |
| 6standard | 965 | Watanabe, Yuta (1534) | Lost 1-2 | -171455 |
| 7standard | 1065 | Lin, Yi-Tung (1541) | Won 2-0 | +191474 |
| 8standard | 835 | Itoh, Akira (1379) | Lost 0-1 | -191455 |
| 9standard | 812 | Tomita, Ryutaro (1505) | Won 2-0 | +191474 |
| top | average opponent: 1487record: 5-4 | new rating: 1474 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 690 | Yoshida, Kenji (1500) | Lost 0-2 | -181486 |
| 2sealed | 847 | Shimono, Tetsuro (1672) | Lost 0-2 | -151471 |
| 3sealed | 1191 | Kobayashi, Jyun5270 (1448) | Lost 0-2 | -181453 |
| 4sealed | 1220 | Sawada, Ryo (1446) | Won 2-1 | +181471 |
| 5sealed | 1111 | Okamoto, Yoshiko (1460) | Lost 1-2 | -181453 |
| top | average opponent: 1505record: 1-4 | new rating: 1453 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 42 | Hosoi, Ippei (1664) | Won 2-1 | +211521 |
| 2standard | 214 | Sotomura, Yoshihiro (1501) | Lost 1-2 | -181503 |
| 3standard | 1037 | Munekata, Yuuki (1501) | Lost 0-2 | -181485 |
| 4standard | 983 | Tsuzaki, Akira (1492) | Won 2-1 | +181503 |
| 5standard | 874 | Harada, Toshiya (1417) | Won 2-1 | +161519 |
| 6standard | 440 | Takahashi, Nozomu (1679) | Lost 0-2 | -151504 |
| top | average opponent: 1542record: 3-3 | new rating: 1504 | ||