Okumura, Yuuichirou
Current rating: 1422
Record: 1-6-1
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 608 | Ichihara, Yuya (1671) | Won 2-0 | +221450 |
| 2sealed | 194 | Tamber, Tobey (1791) | Lost 0-2 | -121438 |
| 3sealed | 1029 | Nakagawa, Satoru (1500) | Draw 1-1 | +11439 |
| 4sealed | 831 | Akimoto, Daichi (1491) | Lost 0-2 | -171422 |
| average opponent: 1613record: 1-2-1 | new rating: 1422 | |||
| Grand Prix Kobe 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 262 | Higashimori, Kazunori (1446) | Lost 1-2 | -191481 |
| 2modern | 398 | Kida, Yukihiro (1482) | Lost 0-2 | -181463 |
| 3modern | 516 | Seo, Kangwon (1464) | Lost 1-2 | -181445 |
| 4modern | 554 | Ito, Jun (1486) | Lost 0-2 | -171428 |
| average opponent: 1470record: 0-4 | new rating: 1428 | |||