Hirabayashi Y.,
Current rating: 1475
Record: 3-5
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 236 | Ueno, Mitsuru (1534) | Lost 1-2 | -171483 |
| 3sealed | 339 | Aiba, Takashi (1447) | Won 2-0 | +171500 |
| 4sealed | 319 | Tateishi, Yuuya (1568) | Lost 0-2 | -171483 |
| 5sealed | 342 | Sakamoto, Ryota (1503) | Won 2-0 | +191502 |
| 6sealed | 192 | Chijimi, Keiichi (1742) | Lost 1-2 | -141488 |
| 7sealed | 308 | Minami, Masashi (1571) | Lost 1-2 | -171471 |
| 8sealed | 247 | Inoue, Toru (1684) | Lost 0-2 | -141457 |
| 9sealed | 218 | Noto, Ryuuichi (1443) | Won 2-1 | +181475 |
| average opponent: 1562record: 3-5 | new rating: 1475 | |||