Ooyama, Naoki
Current rating: 1519
Record: 4-3
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1272 | Sumi, Yoshiaki (1444) | Won 2-0 | +171517 |
| 2sealed | 1161 | Tani, Jyunnosuke (1518) | Won 2-0 | +181535 |
| 3sealed | 844 | Iwanaga, Kohei (1486) | Won 2-1 | +171552 |
| 4sealed | 911 | Shinagawa, Kazunari (1554) | Won 2-0 | +181570 |
| 5sealed | 845 | Kobayashi, Takahito (1758) | Lost 0-2 | -141556 |
| 6sealed | 882 | Watanabe, Yasuyuki (1527) | Lost 1-2 | -191537 |
| 7sealed | 981 | Suzuki, Keisuke2609 (1541) | Lost 0-2 | -181519 |
| average opponent: 1547record: 4-3 | new rating: 1519 | |||