Shirai, Takahiro
Current rating: 1427
| Grand Prix Chiba 2016 (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 7 | Aikawa, Yuki (1500) | Lost 0-2 | -181445 |
| 2legacy | 539 | Mizuno, Akimitsu (1258) | Won 2-0 | +151460 |
| 3legacy | 797 | Honma, Syo (1499) | Lost 1-2 | -171443 |
| 4legacy | 1079 | Katou, Akihiro (1464) | Lost 1-2 | -181425 |
| 5legacy | 991 | Terauchi, Yutaro (1416) | Won 2-1 | +181443 |
| 6legacy | 886 | Takami, Yuta (1550) | Lost 0-2 | -161427 |
| top | average opponent: 1448record: 2-4 | new rating: 1427 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Ali, Nor Muhammad Syafiq (1504) | Lost 1-2 | -181465 |
| 2sealed | 445 | Katou, Masaya (1409) | Won 2-0 | +171482 |
| 3sealed | 322 | Suzuki, Atsushi (1406) | Lost 1-2 | -191463 |
| top | average opponent: 1440record: 1-2 | new rating: 1463 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 84 | Katsuyama, Kenichi (1519) | Draw 1-1 | 01500 |
| 2extended | 106 | Fujimori, Takamasa (1500) | Won 2-1 | +181518 |
| 3extended | 85 | Kaplan, Lain (1517) | Draw 1-1 | 01518 |
| 4extended | 134 | Hanatsuka, Yasuhiro (1518) | Lost 1-2 | -181500 |
| 5extended | 160 | Honma, Satoshi (1515) | Lost 0-2 | -171483 |
| top | average opponent: 1514record: 1-2-2 | new rating: 1483 | ||