Mori, Kazumasa
Current rating: 1486
Record: 20-22-1
| Grand Prix Yokohama 2019 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 193 | Pass, William (1500) | Won 2-0 | +181503 |
| 2modern | 267 | Kawauchi, Tsumugi (1510) | Won 2-0 | +181521 |
| 3modern | 413 | Morikawa, Taichi (1722) | Lost 0-2 | -141507 |
| 4modern | 381 | Hagi, Shogo (1538) | Lost 0-2 | -181489 |
| 5modern | 624 | Aoki, Daichi (1496) | Won 2-0 | +181507 |
| 6modern | 677 | Ishino, Takuya5590 (1507) | Lost 1-2 | -181489 |
| 7modern | 725 | Oda, Yuuki (1348) | Won 2-0 | +161505 |
| 8modern | 490 | Sugimoto, Shimpei (1447) | Lost 1-2 | -191486 |
| top | average opponent: 1508record: 4-4 | new rating: 1486 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 487 | Kamei, Hidenori (1476) | Lost 0-2 | -171451 |
| 2legacy | 555 | Yoshimi, Makoto (1482) | Won 2-0 | +181469 |
| 3legacy | 442 | Maruo, Yuuta (1850) | Lost 0-2 | -111458 |
| 4legacy | 467 | Suzuki, Kento (1407) | Won 2-0 | +171475 |
| 5legacy | 425 | Sakai, Takanori (1504) | Won 2-0 | +181493 |
| 6legacy | 286 | Hiraki, Takayoshi (1635) | Won 2-1 | +211514 |
| 7legacy | 243 | Dobis, David (1824) | Lost 1-2 | -131501 |
| 8legacy | 257 | Oonishi, Takahisa (1566) | Lost 1-2 | -161485 |
| top | average opponent: 1593record: 4-4 | new rating: 1485 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 288 | Kokubu, Yusuke (1540) | Lost 1-2 | -161427 |
| 2modern | 797 | Jun, Kato (1482) | Lost 0-2 | -171410 |
| 3modern | 1194 | Mori, Syuuichi (1414) | Won 2-0 | +181428 |
| 4modern | 1127 | Akama, Takaharu (1445) | Won 2-1 | +181446 |
| 5modern | 676 | Tanaka, Satosi (1532) | Won 2-0 | +201466 |
| 6modern | 616 | Kato, Akinori (1446) | Lost 0-2 | -181448 |
| 7modern | 672 | Okada, Minori (1497) | Lost 1-2 | -171431 |
| 8modern | 870 | Dai, Sen (1474) | Won 2-0 | +181449 |
| 9modern | 674 | Suzuki, Yasuhiko (1506) | Won 2-0 | +191468 |
| top | average opponent: 1482record: 5-4 | new rating: 1468 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 458 | Nonaka, Harufumi (1514) | Lost 0-2 | -181480 |
| 2legacy | 609 | Sawada, Mikoto (1444) | Lost 0-2 | -191461 |
| 3legacy | 1025 | Denis, Fabio (1472) | Lost 1-2 | -181443 |
| 4legacy | 1161 | Kihara, Yasuyuki (1380) | Lost 0-2 | -191424 |
| 5legacy | 1125 | Takeyama, Maya (1426) | Won 2-1 | +181442 |
| 6legacy | 1045 | Abe, Yoshinobu (1449) | Lost 1-2 | -181424 |
| 7legacy | 984 | Shimano, Kentarou (1431) | Won 2-1 | +191443 |
| 8legacy | 838 | Takeda, Shuichiro (1495) | Lost 1-2 | -181425 |
| 9legacy | 762 | Taniguchi, Yu (1415) | Won 2-0 | +181443 |
| top | average opponent: 1447record: 3-6 | new rating: 1443 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 843 | Hino, Yujun (1422) | Draw 1-1 | -11499 |
| 2legacy | 728 | Fukunaga, Rentarou (1499) | Lost 0-1 | -181481 |
| 3legacy | 916 | Hakuhara, Masayuki (1482) | Lost 0-2 | -181463 |
| 4legacy | 940 | Sasaki, Kazuma (1406) | Won 2-0 | +171480 |
| 5legacy | 870 | Sunohara, Motoki (1450) | Won 2-1 | +171497 |
| 6legacy | 788 | Nishimura, Hitoshi (1440) | Won 2-1 | +171514 |
| 7legacy | 707 | Teramoto, Tsubasa (1522) | Lost 1-2 | -181496 |
| 8legacy | 723 | Kawai, Ryo (1496) | Lost 1-2 | -181478 |
| 9legacy | 714 | Okada, Taro (1557) | Won 2-0 | +201498 |
| top | average opponent: 1475record: 4-4-1 | new rating: 1498 | ||