Masuda, Kouhei
Current rating: 1464
Record: 10-13-3
| Grand Prix Kobe 2017 (modern) | starting rating: 1416 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 339 | Yasuda, Hiroki (1500) | Won 2-1 | +201436 |
| 2modern | 285 | Iwama, Daiki (1518) | Won 2-1 | +191455 |
| 3modern | 122 | Matsuya, Akinobu (1534) | Draw 1-1 | +21457 |
| 4modern | 346 | Yoshizawa, Masaru (1631) | Won 2-1 | +211478 |
| 5modern | 184 | Yamano, Nobuteru (1485) | Lost 1-2 | -181460 |
| 6modern | 424 | Sugimoto, Takaaki (1484) | Won 2-0 | +191479 |
| 7modern | 250 | Iwasaki, Kazuma (1599) | Won 2-1 | +201499 |
| 8modern | 155 | Yamamoto, Ryo (1466) | Lost 1-2 | -191480 |
| 9modern | 283 | Takase, Ryousuke (1558) | Lost 0-2 | -161464 |
| top | average opponent: 1531record: 5-3-1 | new rating: 1464 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 950 | Hirose, Makoto (1500) | Lost 1-2 | -171411 |
| 2sealed | 1312 | Shibue, Takahiro (1399) | Won 2-1 | +181429 |
| 3sealed | 1236 | Kajihara, Koji (1542) | Lost 0-2 | -161413 |
| 4sealed | 1261 | Tateno, Takayuki (1483) | Won 2-0 | +191432 |
| 5sealed | 1095 | Kitauchi, Kazuya (1550) | Lost 1-2 | -161416 |
| top | average opponent: 1495record: 2-3 | new rating: 1416 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 398 | Arai, Ikki (1438) | Won 2-0 | +171463 |
| 2modern | 212 | Shoji, Taku (1422) | Lost 0-2 | -181445 |
| 3modern | 455 | Yanaseko, Riri (1500) | Lost 1-2 | -171428 |
| 4modern | 495 | Tamura, Tomoya (1445) | Won 2-0 | +181446 |
| 5modern | 323 | Saotome, Yukiyo (1441) | Lost 0-2 | -181428 |
| top | average opponent: 1449record: 2-3 | new rating: 1428 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 388 | Katsumata, Yoshihisa (1537) | Won 2-0 | +191519 |
| 2modern | 173 | Okamura, Ryoma (1463) | Draw 1-1 | -11518 |
| 3modern | 275 | Hasegawa, Kazunari (1518) | Lost 0-2 | -181500 |
| 4modern | 468 | Ueda, Yushi (1477) | Lost 0-2 | -191481 |
| 5modern | 568 | Onodera, Yuuji (1494) | Lost 1-2 | -181463 |
| 6modern | 549 | Koike, manabu (1464) | Draw 1-1 | 01463 |
| 7modern | 466 | Toyama, Satoshi (1467) | Lost 1-2 | -171446 |
| top | average opponent: 1489record: 1-4-2 | new rating: 1446 | ||