Taki, Mayumi
Current rating: 1396
Record: 24-31-1
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 289 | Jinba, Yuusuke (1464) | Lost 0-2 | -171388 |
| 2standard | 426 | Aoki, Shunji (1511) | Lost 1-2 | -161372 |
| 3standard | 771 | Okunaka, Takakazu (1469) | Won 2-0 | +201392 |
| 4standard | 760 | Tomioka, Keimichi (1479) | Won 2-1 | +191411 |
| 5standard | 550 | Tasugi, Keigo (1545) | Lost 1-2 | -151396 |
| top | average opponent: 1494record: 2-3 | new rating: 1396 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 345 | Ohshiro, Syusaku (1619) | Won 2-0 | +211460 |
| 2sealed | 505 | Uchino, Jun (1599) | Lost 1-2 | -151445 |
| 3sealed | 735 | Takanohashi, Tatsuya (1336) | Won 2-0 | +161461 |
| 4sealed | 485 | Wakayama, Hayata (1436) | Lost 0-2 | -191442 |
| 5sealed | 593 | Tsujimoto, Shingo (1510) | Lost 0-2 | -161426 |
| 6sealed | 741 | Muramatsu, Yasuhiro (1330) | Won 2-1 | +161442 |
| 7sealed | 556 | Shimoyama, Kazuma (1415) | Lost 0-2 | -191423 |
| 8sealed | 487 | Tomiyama, Shin (1374) | Lost 0-2 | -181405 |
| top | average opponent: 1453record: 3-5 | new rating: 1405 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 141 | Sakai, Masaru (1391) | Won 2-1 | +161492 |
| 2standard | 361 | Miyasaka, Masato (1401) | Lost 1-2 | -191473 |
| 3standard | 541 | Kinjo, Atsumune (1527) | Won 2-1 | +191492 |
| 4standard | 413 | Hasegawa, Tsuyoshi (1511) | Lost 0-2 | -181474 |
| 5standard | 781 | Yokokawa, Yuta (1439) | Lost 1-2 | -191455 |
| 6standard | 721 | Tamano, Yuuki (1482) | Won 2-1 | +191474 |
| 7standard | 545 | Ishikawa, Kenya (1466) | Lost 1-2 | -181456 |
| 8standard | 500 | Udagawa, Toru (1533) | Lost 0-2 | -171439 |
| top | average opponent: 1469record: 3-5 | new rating: 1439 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 125 | Ajisawa, Naoto (1513) | Won 2-0 | +191508 |
| 3sealed | 499 | Yoshikawa, Hidenobu (1686) | Lost 1-2 | -151493 |
| 4sealed | 733 | Abe, Masahide (1409) | Draw 1-1 | -21491 |
| 5sealed | 553 | Camarillo, Ryan (1501) | Lost 0-2 | -181473 |
| 6sealed | 755 | Murakami, Souta (1735) | Won 2-1 | +231496 |
| 7sealed | 561 | Martinez, Quentin (1394) | Lost 1-2 | -201476 |
| 8sealed | 674 | Iwata, Sou (1449) | Won 2-1 | +181494 |
| 9sealed | 513 | Obata, Ken (1496) | Lost 1-2 | -181476 |
| top | average opponent: 1523record: 3-4-1 | new rating: 1476 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 195 | Kashima, Yuuki (1499) | Lost 0-2 | -181490 |
| 2modern | 825 | Kubota, Koki (1444) | Won 2-1 | +171507 |
| 3modern | 1103 | Kaino, Naoki (1480) | Lost 0-2 | -191488 |
| 4modern | 1192 | Yamamura, Keisuke (1477) | Won 2-1 | +181506 |
| 5modern | 852 | Hyodo, Kosuke (1598) | Lost 0-2 | -161490 |
| 6modern | 978 | Hayashi, Hisaaki (1458) | Won 2-1 | +171507 |
| 7modern | 825 | Takeda, Yuki (1520) | Lost 0-2 | -181489 |
| 8modern | 861 | Oda, Ryutaro (1480) | Won 2-1 | +181507 |
| 9modern | 631 | Uryu, Shintaro (1499) | Lost 0-2 | -181489 |
| top | average opponent: 1495record: 4-5 | new rating: 1489 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 459 | Shimoda, Akihiro (1398) | Won 2-1 | +161544 |
| 2standard | 129 | Sugiura, Hiroki (1638) | Won 2-0 | +201564 |
| 3standard | 310 | Ichimura, Yuji (1541) | Lost 1-2 | -191545 |
| 4standard | 443 | Tinen, Kousuke (1606) | Won 2-0 | +191564 |
| 5standard | 501 | Furukawa, Yuki (1500) | Lost 0-2 | -191545 |
| 6standard | 781 | Sakimura, Akihiko (1712) | Lost 0-2 | -151530 |
| 7standard | 769 | Naito, Yuuki (1351) | Lost 1-2 | -211509 |
| 8standard | 808 | Shimamura, Yukihiro (1566) | Won 2-0 | +191528 |
| 9standard | 641 | Ichikawa, Yasura (1410) | Lost 0-2 | -201508 |
| top | average opponent: 1525record: 4-5 | new rating: 1508 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 262 | Takahashi, Akira (Setagaya) (1500) | Lost 1-2 | -181482 |
| 2standard | 1082 | Takahashi, Yuuki (1492) | Won 2-1 | +181500 |
| 3standard | 1240 | Baba, Takashi (1545) | Won 2-1 | +191519 |
| 4standard | 430 | Hirose, Ryoutarou (1519) | Won 2-0 | +181537 |
| 5standard | 260 | Masahiro, Sotozaki (1542) | Won 2-1 | +181555 |
| 6standard | 152 | Indrakesuma, Taufik (1738) | Won 2-1 | +211576 |
| 7standard | 220 | Fujimoto, Takehiro (1826) | Lost 0-2 | -131563 |
| 8standard | 220 | Oikawa, Ryusuke (1642) | Lost 0-2 | -171546 |
| 9standard | 609 | Akai, Kouki (1547) | Lost 1-2 | -181528 |
| top | average opponent: 1594record: 5-4 | new rating: 1528 | ||