Ishikawa, Masahide
Current rating: 1850 (#1171)
Record: 32-14 (GP) / 18-14 (professional)
| Mythic Championship VI (ELD standard) | starting rating: 1862 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 234 | Froehlich, Eric (1785) | Lost 0-2 | -201842 |
| 2draft | 222 | Gaieski, Ethan (1842) | Won 2-1 | +181860 |
| 3draft | 158 | Cochran, Hunter (1961) | Lost 1-2 | -161844 |
| 4standard | 180 | Levin, Eugene (1822) | Lost 1-2 | -181826 |
| 5standard | 225 | Yost, Austin (1792) | Won 2-0 | +171843 |
| 6standard | 129 | Dalton, Trevor (1507) | Won 2-1 | +121855 |
| 7standard | 116 | Schmaltz, Matt (1702) | Won 2-1 | +151870 |
| 8standard | 72 | Braun-Duin, Brian (2045) | Won 2-1 | +211891 |
| 9draft | 54 | Jaskolka, Michael (1597) | Lost 0-2 | -231868 |
| 10draft | 51 | Wienburg, Ben (2015) | Won 2-0 | +211889 |
| 11draft | 54 | Steinborn, Robin (1846) | Lost 0-2 | -191870 |
| 12standard | 109 | Jankovsky, Marshall (1809) | Lost 0-2 | -191851 |
| 13standard | 116 | Esper Berthoud, Lucas (1869) | Won 2-0 | +181869 |
| 14standard | 78 | Froehlich, Eric (1825) | Lost 1-2 | -191850 |
| 15standard | 115 | Medeiros Merjam, Guilherme (1954) | Lost 0-2 | -161834 |
| 16standard | 109 | Vincent, Chris (1718) | Won 2-1 | +161850 |
| top | average opponent: 1818record: 8-8 | new rating: 1850 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1921 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 46 | Okuno, Ryohei (1779) | Lost 1-2 | -201901 |
| 4standard | 537 | Sakuragi, Yuta (1416) | Lost 0-2 | -271874 |
| 5standard | 479 | Shichinohe, Shuichi (1495) | Lost 1-2 | -241850 |
| 6standard | 616 | Iwata, Daiki (1485) | Won 2-1 | +121862 |
| top | average opponent: 1544record: 1-3 | new rating: 1862 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1791 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 121 | Inagaki, Yukihiro (1551) | Won 2-1 | +131804 |
| 4sealed | 27 | Yashiro, Kazuki (1809) | Won 2-0 | +181822 |
| 5sealed | 6 | Ito, Kenta (1529) | Won 2-0 | +131835 |
| 6sealed | 30 | Takahashi, Yuta (2011) | Won 2-1 | +211856 |
| 7sealed | 22 | Kosaka, Ryohei (1526) | Lost 0-2 | -231833 |
| 8sealed | 73 | Hirayama, Atsushi (1707) | Won 2-1 | +151848 |
| 9sealed | 37 | Hamaguchi, Shoji (1637) | Won 2-1 | +151863 |
| 10draft | 3 | Komiyama, Kouhei (1547) | Won 2-0 | +121875 |
| 11draft | 55 | Li, Tianjian (1815) | Won 2-0 | +171892 |
| 12draft | 145 | Yamamoto, Ryoichi (1761) | Won 2-1 | +151907 |
| 13draft | 173 | Kawasaki, Keita (1872) | Lost 1-2 | -181889 |
| 14draft | 143 | Kojima, Yoshifumi (1717) | Won 2-0 | +151904 |
| 15draft | 100 | Shimadu, Naofumi (1738) | Won 2-0 | +151919 |
| Qdraft | Yasooka, Shota (2080) | Won 2-0 | +211940 | |
| Sdraft | Suzuki, Kazushige (1916) | Lost 0-2 | -191921 | |
| top | average opponent: 1748record: 12-3 | new rating: 1921 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1828 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 458 | Nagao, Taku (1502) | Won 2-0 | +121840 |
| 4standard | 63 | Zhou, Rui (1452) | Lost 0-2 | -241816 |
| 5standard | 272 | Iwasaki, Yosuke (1540) | Won 2-0 | +131829 |
| 6standard | 290 | Tsujikawa, Taiga (1853) | Lost 0-2 | -181811 |
| 7standard | 276 | Ichikawa, Hideyuki (1667) | Lost 1-2 | -201791 |
| top | average opponent: 1603record: 2-3 | new rating: 1791 | ||
| Pro Tour Guilds of Ravnica (GRN standard) | starting rating: 1719 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 238 | Barbeau, Jeremy (1823) | Won 2-1 | +201739 |
| 2draft | 228 | Lee, Shi Tian (1905) | Lost 1-2 | -151724 |
| 3draft | 143 | Williams, David A (1867) | Won 2-1 | +201744 |
| 4standard | 92 | Van der Paelt, Thomas (1805) | Won 2-1 | +191763 |
| 5standard | 69 | Brancewicz, Michal (1786) | Won 2-1 | +191782 |
| 6standard | 43 | Morais, Joao (1956) | Lost 1-2 | -151767 |
| 7standard | 36 | Chen, Michael (1728) | Won 2-0 | +171784 |
| 8standard | 50 | Snepvangers, Bram (1759) | Won 2-1 | +181802 |
| 9draft | 8 | Caudill, Eddie (1927) | Won 2-1 | +201822 |
| 10draft | 8 | Rubin, Steve (2056) | Won 2-1 | +221844 |
| 11draft | 8 | Nielsen, Kasper (1968) | Lost 0-2 | -161828 |
| 12standard | 12 | Jim, Thomas (1955) | Won 2-0 | +211849 |
| 13standard | 6 | Ishimura, Shintaro (2143) | Won 2-1 | +231872 |
| 14standard | 5 | Wafo-Tapa, Guillaume (2175) | Lost 1-2 | -131859 |
| 15standard | 18 | Gauthier, Guillaume (1884) | Lost 1-2 | -171842 |
| 16standard | 21 | Tiu, Oliver (2088) | Lost 1-2 | -141828 |
| top | average opponent: 1927record: 10-6 | new rating: 1828 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 490 | Ishikami, Naotaka (1652) | Lost 1-2 | -151519 |
| 2sealed | 874 | Itakura, Kenichi (1470) | Won 2-0 | +171536 |
| 3sealed | 969 | Nakada, Hayato (1500) | Won 2-1 | +171553 |
| 4sealed | 577 | Banno, Kunihiko (1717) | Won 2-1 | +211574 |
| 5sealed | 408 | Tsukagoshi, Tadaki (1651) | Won 2-1 | +191593 |
| 6sealed | 244 | Morita, Akira (1605) | Won 2-1 | +191612 |
| 7sealed | 157 | Aizawa, Tamotsu (1577) | Won 2-1 | +171629 |
| 8sealed | 109 | Hattori, Kazuki (1612) | Won 2-0 | +181647 |
| 9sealed | 21 | Oikawa, Hiroaki (1562) | Won 2-0 | +161663 |
| 10draft | 548 | Moriya, Erika (1669) | Lost 1-2 | -181645 |
| 12draft | 548 | Nagasaki, Ryou (1678) | Won 2-1 | +191664 |
| 13draft | 750 | Hirase, Gun (1675) | Won 2-0 | +181682 |
| 14draft | 594 | Peng, Haitao (1658) | Won 2-1 | +181700 |
| 15draft | 548 | Karasawa, Ryuichi (1767) | Won 2-1 | +191719 |
| top | average opponent: 1628record: 12-2 | new rating: 1719 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2271 | Fujimoto, Keiji (1461) | Lost 0-2 | -191481 |
| 2sealed | 2419 | Takahashi, Toshirou (1465) | Won 2-0 | +181499 |
| 3sealed | 2240 | Ishimura, Kenji (1366) | Won 2-0 | +161515 |
| 4sealed | 2233 | Yoshida, Shintarou1488 (1476) | Lost 0-2 | -191496 |
| 5sealed | 2350 | Ashizawa, Yoshisato (1465) | Won 2-0 | +171513 |
| 6sealed | 2238 | Ohori, Akihito (1458) | Won 2-1 | +171530 |
| 7sealed | 2175 | Kibe, Keisuke (1740) | Lost 1-2 | -141516 |
| 8sealed | 2137 | Enatsu, Hiroaki (1535) | Won 2-0 | +181534 |
| top | average opponent: 1496record: 5-3 | new rating: 1534 | ||