Hirai, Kento
Current rating: 1552
Record: 16-13
| Grand Prix Kobe 2017 (modern) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 199 | Aoki, Takuya (1618) | Lost 0-2 | -171562 |
| 2modern | 726 | Fujiwara, Ryoji (1563) | Lost 1-2 | -181544 |
| 3modern | 1242 | Kosaka, Ryohei (1355) | Won 2-1 | +151559 |
| 4modern | 997 | Sakamoto, Ryuutarou (1448) | Lost 0-2 | -201539 |
| 5modern | 1161 | Shomura, Isami (1461) | Won 2-1 | +161555 |
| 6modern | 1028 | Takeda, Risa (1433) | Won 2-0 | +161571 |
| 7modern | 656 | Oonishi, Tatsuya (1519) | Lost 0-2 | -191552 |
| top | average opponent: 1485record: 3-4 | new rating: 1552 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 148 | Komori, Hiroaki (1500) | Won 2-0 | +181519 |
| 2standard | 569 | Choi, Suouk (1575) | Won 2-1 | +191538 |
| 3standard | 392 | Johnson, Jason [CAN] (1577) | Won 2-1 | +191557 |
| 4standard | 59 | Natsume, Takuya (1555) | Won 2-1 | +181575 |
| 5standard | 83 | Urase, Ryosuke (1688) | Lost 0-2 | -161559 |
| 6standard | 414 | Tasaki, Yasuhiro (1598) | Won 2-0 | +191578 |
| 7standard | 165 | Hung, Juo Wen (1581) | Won 2-1 | +181596 |
| 8standard | 94 | Hada, Nobuto (1639) | Won 2-1 | +191615 |
| 9standard | 46 | Omori, Wataru (1564) | Lost 0-2 | -191596 |
| 10standard | 130 | Nakamura, Hajime (1689) | Lost 0-2 | -171579 |
| top | average opponent: 1597record: 7-3 | new rating: 1579 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1150 | Ando, Masanori9484 (1500) | Won 2-1 | +181520 |
| 2sealed | 1199 | Anker-Nilssen, Rasmus (1454) | Lost 0-2 | -191501 |
| 3sealed | 1208 | Tucci, Joel (1500) | Lost 1-2 | -181483 |
| 4sealed | 1233 | Arao, Kazufumi (1483) | Won 2-0 | +181501 |
| 5sealed | 1142 | Ookura, Takahiro (1487) | Won 2-0 | +181519 |
| 6sealed | 977 | Odaki, Rei (1543) | Lost 0-2 | -181501 |
| top | average opponent: 1494record: 3-3 | new rating: 1501 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 868 | Fukushi, Kyouhei (1556) | Lost 0-2 | -171483 |
| 2sealed | 961 | Sekizawa, Tomohiko (1440) | Won 2-0 | +171500 |
| 3sealed | 888 | Yoshimura, Wataru (1472) | Won 2-1 | +181518 |
| 4sealed | 771 | Kamata, Kazuhiro (1565) | Won 2-0 | +191537 |
| 5sealed | 740 | Kibe, Keisuke (1640) | Lost 1-2 | -171520 |
| 6sealed | 892 | Nagano, Keita (1518) | Lost 1-2 | -181502 |
| top | average opponent: 1532record: 3-3 | new rating: 1502 | ||