Hirai, Hirotoshi
Current rating: 1554
Record: 6-3
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 203 | Kimura, Dai 8001 (1500) | Lost 1-2 | -181482 |
| 2standard | 240 | Imura, Hajime (1429) | Won 2-0 | +171499 |
| 3standard | 244 | Saeki, Takayuki (1498) | Won 2-0 | +181517 |
| 4standard | 252 | Tezuka, Yo (1585) | Won 2-0 | +191536 |
| 5standard | 158 | Furusato, Hiroshi (1580) | Lost 1-2 | -171519 |
| 6standard | 210 | Sakai, Yuya (1474) | Won 2-0 | +171536 |
| 7standard | 181 | Yanase, Kaname (1572) | Won 2-1 | +191555 |
| 8standard | 130 | Murase, Takahiro (1557) | Won 2-0 | +181573 |
| 9standard | 219 | Suzuki, Toshiaki (1538) | Lost 0-2 | -191554 |
| average opponent: 1526record: 6-3 | new rating: 1554 | |||