Ooyama, Hiroaki
Current rating: 1365
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 444 | Nakano, Syun-suke (1500) | Lost 0-2 | -171414 |
| 2sealed | 509 | Yamasaki, Takao (1523) | Lost 0-2 | -161398 |
| 3sealed | 555 | Koike, Takayuki (1596) | Lost 0-2 | -141384 |
| 4sealed | 523 | Kamiya, Kazuhiro (1367) | Lost 0-2 | -191365 |
| top | average opponent: 1496record: 0-4 | new rating: 1365 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 909 | Shindou, Ibuki (1500) | Lost 1-2 | -181508 |
| 2sealed | 949 | Tomimatsu, Yosihumi (1519) | Lost 0-2 | -181490 |
| 3sealed | 1124 | Ootani, Masashi (1427) | Won 2-0 | +171507 |
| 4sealed | 1060 | Calhoun, Jordan (1481) | Lost 0-2 | -191488 |
| 5sealed | 1016 | Torii, Motonori (1463) | Lost 0-2 | -181470 |
| 6sealed | 974 | Shindo, Yoshiya (1341) | Lost 0-2 | -201450 |
| 7sealed | 907 | Hishida, Tomoya (1428) | Won 2-0 | +171467 |
| 8sealed | 849 | Kameyama, Shingo (1450) | Lost 1-2 | -181449 |
| 9sealed | 808 | Koizumi, Junichi (1446) | Lost 1-2 | -181431 |
| top | average opponent: 1451record: 2-7 | new rating: 1431 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 506 | Yamada, Tsutomu (1447) | Lost 0-2 | -191481 |
| 2sealed | 850 | Tsumori, Youhei (1433) | Won 2-1 | +171498 |
| 3sealed | 808 | Sasaoka, Hirohito (1482) | Won 2-1 | +181516 |
| 4sealed | 761 | Feng, Wang Jun (1484) | Won 2-0 | +171533 |
| 5sealed | 606 | Komatsu, Satoru (1480) | Lost 0-2 | -191514 |
| 6sealed | 649 | Maeda, Yoshiro (1517) | Won 2-0 | +181532 |
| 7sealed | 661 | Furukawa, Kazuya (1632) | Won 2-1 | +201552 |
| 8sealed | 602 | Park, Jun Young (1867) | Lost 1-2 | -121540 |
| 9sealed | 632 | Imai, Ayato (1792) | Lost 0-2 | -141526 |
| top | average opponent: 1570record: 5-4 | new rating: 1526 | ||