Okamura, Hayato
Current rating: 1387
Record: 2-8-1
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 838 | Aoki, Masatugu (1437) | Draw 1-1 | 01443 |
| 2sealed | 609 | Imamura, Yuki (1498) | Won 2-0 | +191462 |
| 3sealed | 596 | Hattori, Yutaka (1433) | Lost 0-2 | -191443 |
| 4sealed | 849 | Ootsuka, Shintaro (1514) | Lost 0-2 | -161427 |
| 5sealed | 1000 | Yoshizawa, Hiromi (1329) | Lost 0-2 | -201407 |
| 6sealed | 1028 | Yoshizawa, Toshio (1304) | Lost 0-2 | -201387 |
| average opponent: 1419record: 1-4-1 | new rating: 1387 | |||
| Grand Prix Okayama 2004 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 56 | Kim, Cynic (1500) | Lost 0-2 | -181482 |
| 2extended | 160 | Ichimaru, Satoshi (1465) | Won 2-0 | +181500 |
| 3extended | 80 | Sato, Hideyuki (1466) | Lost 1-2 | -191481 |
| 4extended | 148 | Katou, Masanari (1502) | Lost 1-2 | -181463 |
| 5extended | 160 | Kamei, Toru (1321) | Lost 0-2 | -201443 |
| average opponent: 1451record: 1-4 | new rating: 1443 | |||