Sakamoto, Aihei
Current rating: 1512
Record: 25-29
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 440 | Kutsuna, Yohei (1696) | Lost 1-2 | -151530 |
| 4sealed | 662 | Aida, Yasuki (1570) | Lost 1-2 | -181512 |
| top | average opponent: 1633record: 0-2 | new rating: 1512 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 66 | Cheng, Heng You (1518) | Won 2-0 | +181551 |
| 3standard | 189 | Yu, Ching Kong (1631) | Won 2-1 | +191570 |
| 4standard | 50 | Zhuang, Kai (1872) | Won 2-0 | +241594 |
| 5standard | 8 | Aquino, Sherwin (1688) | Lost 1-2 | -171577 |
| 6standard | 47 | Charm, Derek (1668) | Lost 0-2 | -161561 |
| 7standard | 139 | Omori, Ken'ichirou (1669) | Lost 0-2 | -161545 |
| top | average opponent: 1674record: 3-3 | new rating: 1545 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 244 | Nakano, Tatsuhito (1756) | Won 2-0 | +221547 |
| 4standard | 30 | Kidera, Seita (1752) | Lost 1-2 | -141533 |
| 5standard | 221 | Shimizu, Yuji (1535) | Won 2-1 | +181551 |
| 6standard | 247 | Tanaka, Ryou (1506) | Won 2-0 | +171568 |
| 7standard | 52 | Tomioka, Shota (1618) | Won 2-1 | +191587 |
| 8standard | 36 | Suzuki, Kento (1486) | Lost 1-2 | -201567 |
| 9standard | 162 | Matsuo, Shuto (1591) | Lost 1-2 | -181549 |
| 10standard | 172 | Nagao, Naoki (1653) | Lost 1-2 | -161533 |
| top | average opponent: 1612record: 4-4 | new rating: 1533 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 227 | Uemoto, Takahiro (1603) | Lost 1-2 | -181559 |
| 4standard | 634 | Kawagishi, Genki (1517) | Lost 1-2 | -191540 |
| 5standard | 727 | Fujikura, Akinori (1669) | Lost 1-2 | -151525 |
| top | average opponent: 1596record: 0-3 | new rating: 1525 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 219 | Habert, Alexandre (1930) | Won 2-0 | +251544 |
| 4sealed | 125 | Dang, Martin (2009) | Won 2-0 | +261570 |
| 5sealed | 88 | Murakami, Kazuya3837 (1745) | Won 2-0 | +211591 |
| 6sealed | 71 | Sun, Kuangda (1708) | Lost 0-2 | -161575 |
| 7sealed | 152 | Morimine, Seiya (1592) | Won 2-1 | +191594 |
| 8sealed | 97 | Hirose, Yuuki (1845) | Lost 0-2 | -141580 |
| 9sealed | 215 | Kuroda, Yoshirou (1524) | Lost 0-2 | -191561 |
| 10draft | 45 | Tonouchi, Keita (1689) | Won 2-0 | +211582 |
| 11draft | 46 | Endo, Natsumi (1579) | Lost 0-2 | -191563 |
| 12draft | 44 | Hamada, Junji (1603) | Won 2-0 | +191582 |
| 13draft | 286 | Hasegawa, Kazuhiko (1770) | Won 2-1 | +221604 |
| 14draft | 102 | Ferrer Rozalen, Sergio (1826) | Lost 1-2 | -141590 |
| 15draft | 132 | Jansen, Adam (1877) | Lost 1-2 | -131577 |
| top | average opponent: 1746record: 7-6 | new rating: 1577 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 540 | Katou, Syouya (1503) | Won 2-1 | +171559 |
| 4standard | 99 | Je, Sungeun (1800) | Lost 0-2 | -141545 |
| 5standard | 265 | Taya, Hironobu (1453) | Won 2-1 | +171562 |
| 6standard | 387 | Matsumoto, Shou (1450) | Lost 1-2 | -201542 |
| 7standard | 434 | Miyaho, Kazuhiro (1536) | Lost 1-2 | -181524 |
| 8standard | 709 | Suzuki, Kazuhiro (1410) | Won 2-1 | +161540 |
| 9standard | 450 | Lin, Chi Kuan (1548) | Won 2-1 | +181558 |
| 10standard | 337 | Nakae, Kazusi (1450) | Lost 1-2 | -201538 |
| 11standard | 354 | Sasaki, Tsuyoshi (1506) | Lost 0-2 | -191519 |
| top | average opponent: 1517record: 4-5 | new rating: 1519 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 25 | Yoshino, Kohei (1463) | Won 2-1 | +171517 |
| 4standard | 35 | Seah, Lip Chee Eric (1579) | Won 2-0 | +191536 |
| 5standard | 28 | Abe, Motoki (1771) | Won 2-1 | +231559 |
| 6standard | 21 | Wang, Guan (1658) | Lost 0-2 | -171542 |
| 7standard | 62 | Yoshimura, Wataru (1578) | Won 2-0 | +191561 |
| 8standard | 18 | Chen, Yang (1655) | Lost 0-2 | -161545 |
| 9standard | 42 | Teng, Kaiyuan (1451) | Won 2-0 | +161561 |
| 10standard | 36 | Aoki, Yoshitsugu (1639) | Lost 1-2 | -161545 |
| 11standard | 77 | Zhang, Hongqiang (1704) | Won 2-0 | +201565 |
| 12standard | 36 | Lam, Tsz Yeung (1944) | Won 2-1 | +251590 |
| 13standard | 18 | Matsui, Hisataka (1846) | Lost 0-2 | -131577 |
| 14standard | 1002 | Tsuruoka, Shouta (1637) | Lost 0-2 | -171560 |
| 15standard | 55 | Hsiao, Jui-Lin (1565) | Lost 1-2 | -181542 |
| top | average opponent: 1653record: 7-6 | new rating: 1542 | ||