Shirai, Kenta
Current rating: 1454
Record: 11-14-1
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 370 | Ohtsuki, Shinya (1346) | Won 2-0 | +151489 |
| 2standard | 4 | Yoshikawa, Yuta (1637) | Won 2-1 | +211510 |
| 3standard | 604 | Nishikawa, Yukihiro (1507) | Lost 1-2 | -181492 |
| 4standard | 571 | Nishidome, Keitarou (1531) | Lost 0-2 | -171475 |
| 5standard | 950 | Yamasita, Akinori (1338) | Lost 0-2 | -211454 |
| top | average opponent: 1472record: 2-3 | new rating: 1454 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 477 | Ishimoto, Yuki (1527) | Lost 0-2 | -191510 |
| 2standard | 1269 | Sun, E-Li (1488) | Won 2-1 | +181528 |
| 3standard | 932 | Arai, Taiki (1465) | Lost 0-2 | -191509 |
| 4standard | 1140 | Tanaka, Motoharu (1481) | Lost 1-2 | -191490 |
| 5standard | 1491 | Ota, Sho (1566) | Lost 0-2 | -161474 |
| top | average opponent: 1506record: 1-4 | new rating: 1474 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 245 | Heng, Chye Hwee (1793) | Lost 0-2 | -131528 |
| 4sealed | 180 | Ishihara, Jun (1598) | Lost 1-2 | -171511 |
| 5sealed | 390 | Nakamura, Taro (1459) | Won 2-0 | +171528 |
| 6sealed | 225 | Ito, Masato2397 (1498) | Lost 0-2 | -191509 |
| 7sealed | 274 | Horie, Ryota (1506) | Won 2-0 | +181527 |
| 8sealed | 189 | Ohashi, Kentarou (1519) | Lost 1-2 | -181509 |
| 9sealed | 163 | Kudou, Koudai (1577) | Won 2-0 | +201529 |
| top | average opponent: 1564record: 3-4 | new rating: 1529 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 981 | Wada, Dai (1500) | Won 2-0 | +181518 |
| 2sealed | 627 | Konishi, So (1518) | Draw 1-1 | 01518 |
| 3sealed | 829 | Morita, Takanori (1604) | Won 2-0 | +201538 |
| 4sealed | 721 | Umehara, Kei (1600) | Lost 1-2 | -171521 |
| 5sealed | 829 | Sugiura, Takuya (1487) | Won 2-1 | +171538 |
| 6sealed | 908 | Nishio, Hiroki (1501) | Won 2-0 | +171555 |
| 7sealed | 686 | Nagai, Mamoru (1740) | Lost 0-2 | -141541 |
| 8sealed | 754 | Kiyono, Shoya (1536) | Won 2-1 | +181559 |
| 9sealed | 705 | Takagi, Kengo (1589) | Lost 0-2 | -181541 |
| top | average opponent: 1564record: 5-3-1 | new rating: 1541 | ||