Hoshino, Masakazu
Current rating: 1470
Record: 2-4
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 108 | Nishiguchi, Hajime (1436) | Lost 0-2 | -181470 |
| record: 0-1 | new rating: 1470 | |||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Shiraishi, Hiroaki (1736) | Lost 0-2 | -141486 |
| 2sealed | 401 | Sugiyama, Yuya (1626) | Lost 1-2 | -151471 |
| 3sealed | 485 | Ando, Takaya (1465) | Won 2-1 | +181489 |
| 4sealed | 478 | Dobashi, Kyouta (1483) | Won 2-0 | +181507 |
| 5sealed | 270 | Misono, Yasuhiro (1500) | Lost 0-2 | -191488 |
| average opponent: 1562record: 2-3 | new rating: 1488 | |||