Kakuuchi, Mayako
Current rating: 1373
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Yaoqing, Wang (1500) | Lost 0-2 | -171405 |
| 2sealed | 762 | Tachibana, Korechika (1343) | Lost 0-2 | -191386 |
| 3sealed | 1026 | Saito, Shosuke (1494) | Lost 1-2 | -161370 |
| 4sealed | 1022 | Takeuchi, Masato (1442) | Lost 0-2 | -171353 |
| 5sealed | 938 | Imai, Takeru (1434) | Won 2-1 | +201373 |
| top | average opponent: 1442record: 1-4 | new rating: 1373 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Qian, Liu (1500) | Lost 0-2 | -171393 |
| 2sealed | 637 | Yajima, Tatsuaki (1618) | Lost 1-2 | -141379 |
| 3sealed | 1013 | Akai, Yusuke4836 (1414) | Lost 1-2 | -171362 |
| 4sealed | 1093 | Takuya, Andou (1374) | Lost 1-2 | -181344 |
| 5sealed | 1019 | Honda, Hiroki2272 (1426) | Won 2-0 | +201364 |
| 6sealed | 866 | Kazuyoshi, Nakade (1444) | Won 2-1 | +191383 |
| 7sealed | 703 | Tatebe, Takayuki (1446) | Won 2-0 | +191402 |
| 8sealed | 513 | Hoshi, Masaru (1483) | Won 2-0 | +201422 |
| top | average opponent: 1463record: 4-4 | new rating: 1422 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Deguchi, Takahiro (1367) | Lost 0-2 | -201480 |
| 2sealed | 662 | Saitou, Yuusuke (1543) | Lost 0-2 | -171463 |
| 3sealed | 987 | Loi, Bennet (1506) | Lost 1-2 | -171446 |
| 4sealed | 1087 | Sakai, Tsuyoshi (1446) | Lost 0-2 | -181428 |
| 5sealed | 1076 | Maeda, Ryo (1427) | Lost 1-2 | -181410 |
| 6sealed | 1014 | Sakaguchi, Makoto (1337) | Won 2-0 | +161426 |
| 7sealed | 901 | Izumi, Hikaru (1718) | Lost 1-2 | -131413 |
| 8sealed | 814 | Nishiguchi, Yoshinori (1320) | Lost 0-2 | -191394 |
| 9sealed | 705 | Shimoda, Akihiro (1275) | Won 2-1 | +161410 |
| top | average opponent: 1438record: 2-7 | new rating: 1410 | ||