Hanazono, Ryuzo
Current rating: 1552
Record: 5-3
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Tsuruoka, Tetsuya (1500) | Won 2-0 | +181518 |
| 2sealed | 241 | Pang, Kelvin (1639) | Won 2-1 | +201538 |
| 3sealed | 108 | Morikawa, Taichi (1650) | Won 2-1 | +201558 |
| 4sealed | 125 | Nakao, Munenari (1628) | Won 2-0 | +201578 |
| 5sealed | 15 | Isowaki, Naoto (1575) | Won 2-0 | +171595 |
| 6sealed | 2 | Sunada, Shougo (1733) | Lost 1-2 | -151580 |
| 7sealed | 66 | Kudou, Toshio (1603) | Lost 0-2 | -181562 |
| 8sealed | 191 | Chiba, Akio (2005) | Lost 1-2 | -101552 |
| average opponent: 1667record: 5-3 | new rating: 1552 | |||