Matsushika, Kohei
Current rating: 1453
Record: 18-22
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 189 | Furusato, Hiroshi (1476) | Won 2-0 | +181463 |
| 4standard | 231 | Tanaka, Takahiro (1464) | Won 2-0 | +181481 |
| 5standard | 52 | Kaneko, Masayuki3656 (1791) | Lost 1-2 | -121469 |
| 6standard | 119 | Tajima, Ryoga (1587) | Lost 1-2 | -161453 |
| 7standard | 352 | Taniguchi, Keiichi (1448) | Won 2-1 | +181471 |
| 8standard | 238 | Viraseranee, Pakkapong (1508) | Lost 0-2 | -181453 |
| top | average opponent: 1546record: 3-3 | new rating: 1453 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 204 | Sasabe, Yusuke (1825) | Lost 0-2 | -121478 |
| 4standard | 523 | Willems, Sjoerd (1723) | Lost 0-2 | -141464 |
| 5standard | 817 | Ookawa, Yuya (1431) | Lost 0-2 | -181446 |
| 6standard | 858 | Gao, Junmin (1482) | Won 2-0 | +181464 |
| 7standard | 611 | Takata, Takumi (1379) | Lost 1-2 | -191445 |
| top | average opponent: 1568record: 1-4 | new rating: 1445 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 215 | Sasaki, Osamu (1537) | Won 2-0 | +181542 |
| 4sealed | 81 | Takano, Shota (1597) | Won 2-1 | +191561 |
| 5sealed | 64 | Saito, Seiya (1517) | Lost 1-2 | -181543 |
| 6sealed | 94 | Shingo, Tanaka (1570) | Lost 0-2 | -181525 |
| 7sealed | 360 | Ishii, Kenta (1559) | Lost 0-2 | -171508 |
| 8sealed | 391 | Kondo, Masahiro 8757 (1515) | Lost 1-2 | -181490 |
| top | average opponent: 1549record: 2-4 | new rating: 1490 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 23 | Takahira, Shunsuke (1781) | Won 2-1 | +221536 |
| 3sealed | 454 | Maeda, Takayuki (1294) | Won 2-1 | +141550 |
| 4sealed | 140 | Parker, Brock (2043) | Lost 0-2 | -101540 |
| 5sealed | 272 | Morizane, Hitoshi (1389) | Won 2-1 | +161556 |
| 6sealed | 148 | Ishii, Shinji (1546) | Lost 0-2 | -181538 |
| 7sealed | 450 | Campanino, Fabrizio (1854) | Lost 0-2 | -131525 |
| 8sealed | 643 | Hagi, Shogo (1519) | Lost 0-2 | -181507 |
| 9sealed | 529 | Asai, Tetsuya (1464) | Won 2-0 | +171524 |
| top | average opponent: 1611record: 4-4 | new rating: 1524 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 387 | Tani, Emi (1500) | Won 2-0 | +181518 |
| 2standard | 377 | Oda, Yuuki (1312) | Won 2-0 | +141532 |
| 3standard | 269 | Robertson, Chris (1568) | Won 2-1 | +191551 |
| 4standard | 176 | Hasegawa, Akira (1702) | Lost 0-2 | -151536 |
| 5standard | 293 | Matsushima, Toshikazu (1439) | Lost 1-2 | -201516 |
| 6standard | 801 | Sakata, Atsushi (1465) | Lost 0-2 | -191497 |
| 7standard | 746 | Noguchi, Hiromasa (1301) | Won 2-1 | +141511 |
| 8standard | 702 | Sato, Jyun (1505) | Won 2-0 | +181529 |
| 9standard | 324 | Kanbe, Shouhei (1547) | Won 2-0 | +191548 |
| 10standard | 281 | Naganawa, Satoshi (1556) | Won 2-1 | +181566 |
| 11standard | 153 | Saito, Daichi (1631) | Won 2-1 | +191585 |
| 12standard | 129 | Kobayashi, Yuuki 0719 (1530) | Lost 0-2 | -191566 |
| 13standard | 208 | Hamada, Akira (1533) | Lost 1-2 | -191547 |
| 14standard | 270 | Ushikubo, Kenichi (1567) | Lost 1-2 | -171530 |
| 15standard | 257 | Samejima, Ippei (1638) | Lost 1-2 | -161514 |
| top | average opponent: 1520record: 8-7 | new rating: 1514 | ||