Okada, Hayaki
Current rating: 1388
| Grand Prix Kobe 2017 (modern) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 781 | Ichikawa, Hiroshi (1364) | Lost 0-2 | -191388 |
| top | record: 0-1 | new rating: 1388 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 722 | Futada, Takahiro (1500) | Lost 1-2 | -181462 |
| 2legacy | 843 | Odagiri, Mato (1432) | Lost 0-2 | -191443 |
| 3legacy | 1071 | Iso, Nariaki (1427) | Lost 1-2 | -181425 |
| 4legacy | 1125 | Chiba, Tatsuya (1391) | Lost 0-2 | -181407 |
| top | average opponent: 1437record: 0-4 | new rating: 1407 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1043 | Tucci, Joel (1500) | Won 2-0 | +181515 |
| 2sealed | 1176 | Sakamoto, Akitoki (1518) | Lost 0-2 | -181497 |
| 3sealed | 1276 | Iwase, Hirokazu (1515) | Lost 1-2 | -181479 |
| 4sealed | 1227 | Kobayashi, Toshio (1518) | Won 2-1 | +191498 |
| 5sealed | 1162 | Iwahashi, Hiroki (1494) | Lost 0-2 | -181480 |
| top | average opponent: 1509record: 2-3 | new rating: 1480 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 43 | Robertson, Chris (1505) | Won 2-0 | +181518 |
| 2legacy | 57 | Watanabe, Kazuki (1565) | Lost 1-2 | -171501 |
| 3legacy | 392 | Kurusu, Kazuki (1450) | Won 2-1 | +171518 |
| 4legacy | 292 | Tanimoto, Tatsuro (1285) | Lost 1-2 | -221496 |
| 5legacy | 294 | Fujihira, Kohei (1580) | Won 2-1 | +191515 |
| 6legacy | 151 | Tan, Kuan Ming Kevin (1470) | Lost 1-2 | -181497 |
| top | average opponent: 1476record: 3-3 | new rating: 1497 | ||