Hagiwara, Tomoaki
Current rating: 1527
Record: 16-15-1
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Ejima, Kazuki (1580) | Won 2-1 | +201522 |
| 2sealed | 115 | Komiya, Yuki (1506) | Lost 0-2 | -191503 |
| 3sealed | 644 | Kanda, Takuya (1506) | Won 2-1 | +181521 |
| 4sealed | 332 | Suzuki, Ryo (1670) | Lost 1-2 | -151506 |
| 5sealed | 784 | Narushima, Akira (1503) | Won 2-0 | +181524 |
| 6sealed | 595 | Satou, Takamasa (1508) | Won 2-1 | +181542 |
| 7sealed | 374 | Ogawa, Shota (1707) | Lost 1-2 | -151527 |
| top | average opponent: 1569record: 4-3 | new rating: 1527 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 612 | Arakawa, Yasuaki (1500) | Won 2-1 | +181543 |
| 2legacy | 415 | Aikawa, Yuki (1517) | Lost 1-2 | -191524 |
| 3legacy | 996 | Jiang, Changchen (1468) | Lost 0-2 | -191505 |
| 4legacy | 918 | Ichikawa, Yu (1429) | Won 2-0 | +171522 |
| 5legacy | 796 | Ishikura, Masaya (1500) | Lost 0-2 | -191503 |
| 6legacy | 849 | Katou, Akihiro (1463) | Won 2-0 | +181521 |
| 7legacy | 611 | Sakamoto, Satoshi (1494) | Lost 1-2 | -191502 |
| top | average opponent: 1482record: 3-4 | new rating: 1502 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Tuzii, Syouichi (1526) | Won 2-0 | +191498 |
| 2standard | 204 | Tsuchiya, Ryuichi (1491) | Lost 1-2 | -181480 |
| 3standard | 839 | Mogaki, Masaharu (1520) | Won 2-1 | +191499 |
| 4standard | 835 | Kojima, Youichiro (1489) | Won 2-0 | +181517 |
| 5standard | 314 | Satou, Fumihiko (1444) | Won 2-0 | +161533 |
| 6standard | 374 | Yamada, Toshihiro (1763) | Draw 1-1 | +41537 |
| 7standard | 259 | Wong, Nicholas Jonathan (1905) | Won 2-1 | +251562 |
| 8standard | 154 | Kuribayashi, Takayuki (1528) | Lost 1-2 | -191543 |
| 9standard | 351 | Yoshida, Kenji (1541) | Lost 0-2 | -181525 |
| top | average opponent: 1579record: 5-3-1 | new rating: 1525 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1357 | Huang, Shin Lin (1500) | Lost 0-2 | -181482 |
| 2sealed | 1364 | Norita, Yuuki (1482) | Won 2-0 | +181500 |
| 3sealed | 1166 | Yamashita, Hiromichi (1446) | Won 2-0 | +171517 |
| 4sealed | 1013 | Iwata, Hiromichi (1582) | Won 2-1 | +191536 |
| 5sealed | 956 | Fujino, Masashi (1575) | Lost 1-2 | -171519 |
| 6sealed | 993 | Kato, Yusuke (1461) | Lost 0-2 | -191500 |
| 7sealed | 1036 | Watanabe, Ryoji (1445) | Won 2-0 | +171517 |
| 8sealed | 991 | Takaoka, Yusuke (1577) | Lost 1-2 | -171500 |
| 9sealed | 948 | Kang, Sai (1355) | Lost 1-2 | -211479 |
| top | average opponent: 1491record: 4-5 | new rating: 1479 | ||