Hamaoka, Yuma
Current rating: 1515
Record: 8-7
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Makino, Yuuhei (1491) | Won 2-1 | +181537 |
| 2sealed | 166 | Shimada, Hiroki (1516) | Won 2-1 | +171554 |
| 3sealed | 98 | Iwata, Ryoji (1369) | Won 2-1 | +151569 |
| 4sealed | 13 | Ohkawa, Yusuke (1583) | Lost 0-2 | -181551 |
| 5sealed | 355 | Kawakami, Sintarou (1521) | Lost 0-2 | -181533 |
| 6sealed | 501 | Tanaka, Syunya (1567) | Lost 1-2 | -181515 |
| average opponent: 1508record: 3-3 | new rating: 1515 | |||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Nojiri, Fumitoshi (1500) | Lost 1-2 | -181482 |
| 2sealed | 290 | Touma, Takahiro (1482) | Lost 1-2 | -181464 |
| 3sealed | 433 | Takeda, Natsuki (1465) | Won 2-0 | +181482 |
| 4sealed | 412 | Andou, Tomoyuki (1483) | Won 2-0 | +181500 |
| 5sealed | 246 | Hasegawa, Yuuhei (1503) | Lost 0-2 | -181482 |
| 6sealed | 343 | Kubo, Yuta (1483) | Won 2-1 | +181500 |
| 7sealed | 261 | Horiuchi, Ikki (1423) | Won 2-0 | +171517 |
| 8sealed | 292 | Nogimura, Ryo (1423) | Won 2-1 | +161533 |
| 9sealed | 300 | Kinoshita, Masashi (1759) | Lost 0-2 | -141519 |
| average opponent: 1502record: 5-4 | new rating: 1519 | |||