Mitachi, Yuuki
Current rating: 1629
Record: 24-18
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 184 | Kikuchi, Shou (1427) | Won 2-1 | +161569 |
| 3standard | 446 | Koide, Takeo (1538) | Won 2-0 | +171586 |
| 4standard | 199 | Sun, Guolong (1719) | Won 2-0 | +211607 |
| 5standard | 278 | Hirayama, Rei (1549) | Lost 0-2 | -191588 |
| 6standard | 260 | Ueda, Tadahiko (1540) | Lost 1-2 | -191569 |
| 7standard | 482 | Chen, Mingjie (1515) | Won 2-1 | +171586 |
| 8standard | 317 | Ueno, Hideto (1324) | Won 2-0 | +131599 |
| 9standard | 64 | Nam, Sung Wook (1880) | Lost 1-2 | -131586 |
| 10standard | 161 | Yuki, Ryosuke (1529) | Won 2-1 | +171603 |
| 11standard | 97 | Wolbers, Andrew (1789) | Won 2-0 | +211624 |
| 12standard | 67 | Horiuchi, Makoto (1813) | Lost 0-2 | -141610 |
| 13standard | 123 | Kimura, Kosuke (1599) | Won 2-0 | +181628 |
| 14standard | 80 | Mizutani, Yosuke (1815) | Won 2-0 | +211649 |
| 15standard | 69 | Ojima, Toshiaki (1527) | Lost 1-2 | -201629 |
| top | average opponent: 1612record: 9-5 | new rating: 1629 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Kawata, Kazuki (1493) | Lost 1-2 | -191522 |
| 2sealed | 729 | Murakami, Hiroaki (1448) | Won 1-0 | +161538 |
| 3sealed | 939 | Tomioka, Shota (1552) | Won 2-0 | +191557 |
| 4sealed | 582 | Takahashi, Taro (1539) | Lost 0-2 | -191538 |
| 5sealed | 828 | Kuroiwa, Tadayuki (1499) | Won 2-1 | +181556 |
| 6sealed | 402 | Fang, Zhengyang (1651) | Won 2-1 | +191575 |
| 7sealed | 474 | Zhang, Yi 1971 (1383) | Lost 1-2 | -211554 |
| 8sealed | 529 | Okamura, Takumi (1534) | Won 2-0 | +171571 |
| 9sealed | 339 | Fujii, Akira (1558) | Lost 1-2 | -181553 |
| top | average opponent: 1517record: 5-4 | new rating: 1553 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 77 | Woo, Minseok (1463) | Won 2-0 | +161595 |
| 3sealed | 147 | Higashi, Kentarou (1646) | Lost 0-2 | -181577 |
| 4sealed | 432 | Fujimori, Masayoshi (1585) | Lost 0-2 | -171560 |
| 5sealed | 695 | Takekiyo, Koji (1501) | Lost 0-2 | -191541 |
| top | average opponent: 1549record: 1-3 | new rating: 1541 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 218 | Okamoto, Yu (1537) | Lost 0-2 | -171449 |
| 4standard | 607 | Hirota, Shinji (1470) | Won 2-0 | +191468 |
| 5standard | 421 | Zhang, Chaoxi (1569) | Lost 0-2 | -171451 |
| 6standard | 675 | Shiba, Yoshimasa (1497) | Won 2-1 | +191470 |
| 7standard | 235 | Kouki, Nakao (1544) | Won 2-0 | +201490 |
| 8standard | 305 | Umeki, Ryo (1542) | Won 2-1 | +191509 |
| 9standard | 225 | Higuchi, Akashi (1657) | Won 2-0 | +201529 |
| 10standard | 48 | Ogawa, Masafumi (1607) | Lost 0-2 | -161513 |
| 11standard | 139 | Hirakawa, Naoya (1564) | Won 2-1 | +191532 |
| 12standard | 82 | Onishi, Kouhei (1627) | Won 2-0 | +191551 |
| 13standard | 71 | Takata, Kouhei (1670) | Won 2-0 | +211572 |
| 14standard | 31 | Yukuhiro, Ken (1934) | Won 2-1 | +241596 |
| 15standard | 32 | Sato, Hikaru (1637) | Lost 0-2 | -171579 |
| top | average opponent: 1604record: 9-4 | new rating: 1579 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1046 | Hirose, Makoto (1535) | Lost 1-2 | -171483 |
| 4sealed | 958 | Ozawa, Hidenori (1555) | Lost 0-2 | -171466 |
| top | average opponent: 1545record: 0-2 | new rating: 1466 | ||