Tsuchiya, Mihoko
Current rating: 1588
Record: 23-20-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 458 | Banno, Kunihiko (1689) | Won 2-1 | +211556 |
| 3sealed | 261 | Yamagata, Hiroki (1546) | Won 2-0 | +181574 |
| 4sealed | 217 | Sano, Takumi (1544) | Won 2-1 | +171591 |
| 5sealed | 95 | Yada, Kazuki (2060) | Lost 0-2 | -101581 |
| 6sealed | 217 | Kunitaka, Kikuchi (1552) | Won 2-0 | +181599 |
| 7sealed | 71 | Nishimura, Takashi5362 (1734) | Won 2-1 | +201619 |
| 8sealed | 105 | Willems, Sjoerd (1721) | Lost 1-2 | -161603 |
| 9sealed | 115 | Takakuwa, Akihiro (1658) | Lost 1-2 | -171586 |
| 10draft | 129 | Hasegawa, Tsuyoshi (1526) | Lost 1-2 | -191567 |
| 11draft | 132 | Chen, Mingyang (1640) | Lost 0-2 | -171550 |
| 12draft | 133 | Sugiyama, Takanori (1532) | Won 2-0 | +181568 |
| 13draft | 194 | Higuchi, Akashi (1690) | Lost 0-2 | -161552 |
| 14draft | 116 | Matsuda, Issui (1631) | Won 2-1 | +201572 |
| 15draft | 150 | Yoshihara, Yamato (1507) | Won 2-0 | +161588 |
| top | average opponent: 1645record: 8-6 | new rating: 1588 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 341 | Kukino, Yudai (1570) | Lost 0-2 | -171479 |
| 2standard | 781 | Furukawa, Takehito (1435) | Won 2-1 | +181497 |
| 3standard | 930 | Arahori, Kazuaki (1535) | Won 2-0 | +181515 |
| 4standard | 706 | Tachibana, Korechika (1402) | Won 2-0 | +161531 |
| 5standard | 544 | Tsukagoshi, Tadaki (1628) | Lost 1-2 | -161515 |
| 6standard | 530 | Mashimo, Ryuuya (1613) | Won 2-1 | +201535 |
| 7standard | 456 | Lanus, Nicolas (1560) | Won 2-0 | +181553 |
| 8standard | 362 | Choumura, Shoui (1555) | Lost 1-2 | -181535 |
| top | average opponent: 1537record: 5-3 | new rating: 1535 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 329 | Itou, Takanori (1617) | Won 2-0 | +201507 |
| 2sealed | 387 | Ohnishi, Jyunpei (1863) | Lost 0-2 | -121495 |
| 3sealed | 703 | Komatsu, Isamu (1524) | Won 2-1 | +191514 |
| 4sealed | 567 | Sako, Wataru (1524) | Lost 1-2 | -181496 |
| 5sealed | 569 | Fusegi, Takanori (1399) | Lost 1-2 | -201476 |
| 6sealed | 812 | Yamanaka, Kousuke (1545) | Lost 0-2 | -161460 |
| 7sealed | 681 | Furuuchi, Yusuke (1469) | Won 2-0 | +181478 |
| 8sealed | 590 | Homma, Akira (1498) | Won 2-0 | +181496 |
| top | average opponent: 1555record: 4-4 | new rating: 1496 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Fukuda, Gaku (1500) | Draw 1-1 | +11482 |
| 2standard | 757 | Kihara, Syouta (1572) | Won 2-0 | +191501 |
| 3standard | 774 | Harada, Sosuke (1564) | Won 2-0 | +201521 |
| 4standard | 374 | Otahara, Sho (1441) | Lost 0-2 | -201501 |
| 5standard | 753 | Chou, Takayuki (1649) | Won 2-0 | +211522 |
| 6standard | 477 | Ohki, Tatsuhiko (1637) | Lost 0-2 | -161506 |
| 7standard | 749 | Choi, Kiho (1440) | Lost 1-2 | -191487 |
| 8standard | 914 | Nakai, Yuuta (1470) | Won 2-0 | +171504 |
| 9standard | 687 | Shindo, Yuto (1523) | Lost 0-2 | -171487 |
| top | average opponent: 1533record: 4-4-1 | new rating: 1487 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Low, Pak Tsung (1473) | Won 2-0 | +181518 |
| 2sealed | 145 | Hirata, Keisuke4111 (1517) | Lost 1-2 | -181500 |
| 3sealed | 344 | Ono, Hirokazu (1499) | Won 2-1 | +171517 |
| 4sealed | 224 | Tateishi, Yutarou (1515) | Lost 1-2 | -181499 |
| 5sealed | 344 | Nakata, Yusuke (1501) | Lost 1-2 | -181481 |
| top | average opponent: 1501record: 2-3 | new rating: 1481 | ||