Shiraiwa, Masaaki
Current rating: 1537
Record: 4-2-1
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2061 | Kosuge, Kota (1500) | Draw 1-1 | 01500 |
| 2sealed | 2261 | Kano, Daichi (1500) | Won 2-0 | +181518 |
| 3sealed | 2215 | Kawano, Norimitsu (1517) | Lost 1-2 | -181500 |
| 4sealed | 2320 | Shimizu, Keita (1485) | Won 2-0 | +181518 |
| 5sealed | 2205 | Kondou, Yoshiki (1621) | Won 2-0 | +201538 |
| 6sealed | 2127 | Nakao, Motohiko (1553) | Won 2-0 | +181556 |
| 7sealed | 2083 | Fujimoto, Keiji (1520) | Lost 0-2 | -191537 |
| average opponent: 1528record: 4-2-1 | new rating: 1537 | |||