Niikawa, Shouhei
Current rating: 1473
Record: 13-16
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Arashiyama, Kazutoshi (1462) | Won 2-1 | +181478 |
| 2standard | 103 | Okumura, Takaaki (1499) | Won 2-1 | +181496 |
| 3standard | 153 | Sasabe, Yusuke (1776) | Lost 1-2 | -131483 |
| 4standard | 399 | Wang, Zimo 5256 (1591) | Lost 0-2 | -161467 |
| 5standard | 522 | Kusakabe, Yu (1463) | Won 2-0 | +181485 |
| 6standard | 522 | Iwazaki, Yuuta (1913) | Lost 0-2 | -111474 |
| 7standard | 434 | Itakura, Kenichi (1347) | Won 2-1 | +161490 |
| 8standard | 330 | Tokairin, Taishi (1536) | Lost 0-2 | -171473 |
| top | average opponent: 1573record: 4-4 | new rating: 1473 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 355 | Umemura, Yuya (1500) | Lost 1-2 | -171417 |
| 2standard | 899 | Tanabe, Taku (1469) | Won 2-0 | +191436 |
| 3standard | 866 | Shiohata, Ryosuke (1412) | Lost 0-2 | -181418 |
| 4standard | 815 | Komuro, Kazutoshi (1444) | Lost 1-2 | -181400 |
| 5standard | 993 | Sugisawa, Tsuyoshi (1627) | Won 2-0 | +221422 |
| 6standard | 771 | Nakamura, Kouki 9697 (1453) | Won 2-0 | +191441 |
| 7standard | 711 | Oka, Kenji (1496) | Won 2-1 | +191460 |
| top | average opponent: 1486record: 4-3 | new rating: 1460 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 398 | Kimbara, Shohei (1451) | Won 0-0 | +181465 |
| 2sealed | 796 | Akai, Yusuke4836 (1431) | Won 2-1 | +171482 |
| 3sealed | 589 | Uchida, Satoru (1566) | Lost 0-2 | -161466 |
| 4sealed | 1078 | Okano, Toshiya (1717) | Lost 0-2 | -141452 |
| 5sealed | 991 | Asao, Kazuki (1443) | Lost 0-2 | -181434 |
| top | average opponent: 1522record: 2-3 | new rating: 1434 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 31 | Kondo, Yusuke (1495) | Lost 0-2 | -171447 |
| top | record: 0-1 | new rating: 1447 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 640 | Fujikawa, Naoki (1486) | Won 2-1 | +181518 |
| 2legacy | 172 | Johnstone, Robert (1538) | Lost 1-2 | -181500 |
| 3legacy | 771 | Ooyagi, Tetsuya (1499) | Lost 0-2 | -181482 |
| 4legacy | 836 | Shingu, Kiichi (1545) | Won 2-0 | +191501 |
| 5legacy | 877 | Hiraoka, Taku (1552) | Won 2-1 | +191520 |
| 6legacy | 700 | Kobayasi, Tomoya (1530) | Lost 0-2 | -181502 |
| 7legacy | 767 | Henmi, Naoki (1498) | Lost 0-2 | -181484 |
| 8legacy | 779 | Kubota, Hirofumi (1372) | Lost 1-2 | -201464 |
| top | average opponent: 1503record: 3-5 | new rating: 1464 | ||