Yamazaki, Masaomi
Current rating: 1518
Record: 29-30
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 200 | Tanaka, Shinichi 0666 (1539) | Won 2-0 | +191542 |
| 4standard | 17 | Hosokawa, Yuya (2023) | Lost 1-2 | -101532 |
| 5standard | 335 | Nishizawa, Taichi (1599) | Won 2-1 | +191551 |
| 6standard | 150 | Kayahira, Tomoya (1559) | Won 2-1 | +181569 |
| 7standard | 136 | Murata, Kazuki (1563) | Won 2-0 | +181587 |
| 8standard | 78 | Yamane, Naoto (1760) | Lost 1-2 | -151572 |
| 9standard | 85 | Kondo, Shohei (1633) | Won 2-1 | +191591 |
| 10standard | 48 | Ichimura, Yuji (1602) | Lost 1-2 | -181573 |
| 11standard | 91 | Asano, Kurenai (1654) | Lost 1-2 | -161557 |
| 12standard | 108 | Hagihara, Shota (1520) | Lost 1-2 | -191538 |
| 13standard | 125 | Konishi, Akihiro (1565) | Lost 1-2 | -171521 |
| 14standard | 126 | Kim, Ho-Yeon (1416) | Lost 1-2 | -201501 |
| 15standard | 121 | Viraseranee, Pakkapong (1441) | Won 2-1 | +171518 |
| top | average opponent: 1606record: 6-7 | new rating: 1518 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 51 | Fujimura, Kyuta (1524) | Lost 1-2 | -181503 |
| 4sealed | 401 | Komine, Syunsuke (1398) | Lost 0-2 | -201483 |
| 5sealed | 664 | Mishiro, Norihito (1525) | Won 2-1 | +191502 |
| 6sealed | 619 | Shiomi, Genki (1675) | Won 2-1 | +211523 |
| 7sealed | 406 | Wang, Haoming (1537) | Won 2-0 | +181541 |
| 8sealed | 217 | Iwasaki, Koichi (1565) | Lost 1-2 | -181523 |
| top | average opponent: 1537record: 3-3 | new rating: 1523 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 376 | Liu, Rongpei (1509) | Won 2-1 | +181550 |
| 3modern | 218 | Shimamura, Kazushige (1649) | Lost 1-2 | -161534 |
| 4modern | 532 | Tabei, Hirotomo (1565) | Lost 1-2 | -181516 |
| 5modern | 642 | Takao, Shota (1941) | Lost 1-2 | -101506 |
| 6modern | 871 | Oooka, Daiji (1455) | Won 2-1 | +171523 |
| 7modern | 568 | Takahashi, Kenta (1482) | Won 2-0 | +171540 |
| 8modern | 444 | Anttila, Markku (1473) | Lost 0-2 | -191521 |
| top | average opponent: 1582record: 3-4 | new rating: 1521 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 308 | Klaric, Ivan (1514) | Won 2-1 | +181528 |
| 3standard | 14 | Asano, Tatsuro (1560) | Lost 1-2 | -181510 |
| 4standard | 601 | Kawamata, Daisuke (1662) | Lost 1-2 | -151495 |
| 5standard | 747 | Yasunaka, Shinichi (1502) | Won 2-0 | +181513 |
| 6standard | 385 | Motomura, Naoki (1549) | Lost 1-2 | -171496 |
| 7standard | 598 | Kawai, Kentaro (1483) | Won 2-0 | +181514 |
| 8standard | 404 | Inoue, Takuto (1548) | Won 2-1 | +181532 |
| top | average opponent: 1545record: 4-3 | new rating: 1532 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 401 | Gudmundsson, Pall (1520) | Lost 0-2 | -181476 |
| 3standard | 922 | Suzuki, Shutaro (1447) | Won 2-1 | +181494 |
| 4standard | 742 | Hiraoka, Shigenori (1373) | Lost 1-2 | -201474 |
| 5standard | 711 | Iwamura, Ryouichi (1423) | Won 2-0 | +171491 |
| 6standard | 548 | Hamada, Junji (1569) | Won 2-0 | +191510 |
| 7standard | 424 | Tokuyama, Yoshihiko (1456) | Lost 0-2 | -191491 |
| 8standard | 490 | Yaegasi, Naoki (1523) | Won 2-0 | +191510 |
| top | average opponent: 1473record: 4-3 | new rating: 1510 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 416 | Maruyama, Muneyuki (1479) | Won 2-0 | +171583 |
| 3sealed | 101 | Ookawa, Yuusuke (1618) | Lost 1-2 | -181565 |
| 4sealed | 638 | Takiguchi, Yuta (1714) | Lost 0-2 | -151550 |
| 5sealed | 771 | Shiosaki, Tatsuya (1469) | Lost 1-2 | -191531 |
| 6sealed | 845 | Tanaka, Nobuaki (1412) | Lost 0-2 | -211510 |
| 7sealed | 718 | Hirami, Tomonori (1589) | Lost 1-2 | -161494 |
| top | average opponent: 1547record: 1-5 | new rating: 1494 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 449 | Yamaguchi, Yu (1497) | Won 2-1 | +181518 |
| 4standard | 104 | Hikokubo, Shota (1546) | Won 2-1 | +181536 |
| 5standard | 37 | Hino, Yoshiaki (1796) | Won 2-0 | +231559 |
| 6standard | 66 | Fujimoto, Takehiro8110 (1538) | Lost 1-2 | -181541 |
| 7standard | 127 | Nakai, Shota (1535) | Won 2-0 | +181559 |
| 8standard | 92 | Nakazawa, Yusuke (1414) | Won 2-1 | +151574 |
| 9standard | 33 | Nitta, Ryou (1715) | Lost 1-2 | -151559 |
| 10standard | 99 | Tsutsui, Yuki (1697) | Lost 1-2 | -161543 |
| 11standard | 184 | Yamamoto, Tetsuji (1658) | Lost 0-2 | -161527 |
| 12standard | 292 | Mita, Ryoichi (1544) | Lost 1-2 | -181509 |
| 13standard | 318 | Nitta, Yuki (1643) | Won 2-0 | +211530 |
| 14standard | 231 | Takano, Yuta (1569) | Won 2-1 | +191549 |
| 15standard | 160 | Nagase, Yoshinobu (1532) | Won 2-0 | +171566 |
| top | average opponent: 1591record: 8-5 | new rating: 1566 | ||