Masuda, Keigo
Current rating: 1479
Record: 18-19-3
| Grand Prix Yokohama 2019 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 696 | Mio, Ryutaro (1490) | Won 2-0 | +181534 |
| 2modern | 151 | Nishikawa, Haruyoshi (1465) | Won 2-1 | +161550 |
| 3modern | 188 | Kashiwase, Kazuya (1595) | Lost 0-2 | -171533 |
| 4modern | 342 | Aka, Shunsuke (1545) | Lost 0-2 | -181515 |
| 5modern | 813 | Imai, Yuutarou (1445) | Lost 1-2 | -191496 |
| 6modern | 745 | Arima, Takaya (1488) | Won 2-1 | +181514 |
| 7modern | 672 | Kwon, Ohhyek (1522) | Lost 1-2 | -181496 |
| 8modern | 610 | Inagaki, Yukihiro (1534) | Lost 0-2 | -171479 |
| top | average opponent: 1511record: 3-5 | new rating: 1479 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 201 | Umehara, Yuuya (1444) | Won 2-1 | +161557 |
| 2sealed | 189 | Shiraishi, Masaharu (1739) | Won 2-0 | +211578 |
| 3sealed | 101 | Oiso, Kenji (1771) | Won 2-1 | +221600 |
| 4sealed | 41 | Yokota, Takuma (1649) | Lost 0-2 | -171583 |
| 5sealed | 415 | Hirano, Satohiro (1623) | Lost 1-2 | -181565 |
| 6sealed | 545 | Kawata, Kazuki (1521) | Won 2-1 | +181583 |
| 7sealed | 357 | Hamada, Junji (1610) | Lost 1-2 | -181565 |
| 8sealed | 418 | Kondou, Masaki (1463) | Won 2-1 | +161581 |
| 9sealed | 294 | Sugiyama, Yuya (1877) | Won 2-1 | +231604 |
| 10draft | 162 | Kubo, Ryoutarou (1756) | Lost 0-2 | -151589 |
| 12draft | 321 | Harada, Akio (1529) | Lost 1-2 | -191570 |
| 13draft | 155 | Tanaka, Mizuki (1477) | Lost 0-2 | -201550 |
| 14draft | 135 | Nagano, Keita (1731) | Lost 0-2 | -141536 |
| 15draft | 106 | Iwasaki, Koichi (1452) | Lost 0-2 | -201516 |
| top | average opponent: 1617record: 6-8 | new rating: 1516 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 64 | Takeshita, Masato (1442) | Lost 0-2 | -191516 |
| 2modern | 956 | Wakita, Daiki (1499) | Won 2-0 | +171533 |
| 3modern | 705 | Morioka, Ryota (1491) | Lost 0-2 | -181515 |
| 4modern | 949 | Kawa, Hirokazu (1420) | Draw 1-1 | -21513 |
| 5modern | 1073 | Mochizuki, Kazuhiro (1372) | Won 2-0 | +151528 |
| 6modern | 852 | Ikeda, Takeaki (1349) | Won 2-0 | +151543 |
| 7modern | 631 | Kamei, Tomotake (1372) | Lost 1-2 | -211522 |
| 8modern | 778 | Hirabayashi, Yuki (1549) | Draw 1-1 | 01522 |
| 9modern | 747 | Takahashi, Osamu (1534) | Won 2-0 | +191541 |
| top | average opponent: 1448record: 4-3-2 | new rating: 1541 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 565 | Takata, Takumi (1468) | Won 2-0 | +171517 |
| 2standard | 28 | Nakano, Tsubasa (1519) | Won 2-0 | +181535 |
| 3standard | 458 | Irie, Daiki (1511) | Lost 1-2 | -181517 |
| 4standard | 527 | Mohd Zaki, Mohd Nazrul Hafeez (1423) | Lost 1-2 | -201497 |
| 5standard | 622 | Ichige, Masato (1612) | Draw 1-1 | +21499 |
| 6standard | 770 | Murase, Atsushi (1496) | Won 2-0 | +181517 |
| 7standard | 546 | Bushisue, Hidehiro (1519) | Won 2-0 | +181535 |
| 8standard | 368 | Tsubouchi, Tomoya (1647) | Lost 0-2 | -161519 |
| 9standard | 398 | Mizutani, Yoshinobu (1408) | Won 1-0 | +161535 |
| top | average opponent: 1511record: 5-3-1 | new rating: 1535 | ||