Okuyama, Kotaro
Current rating: 1353
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1362 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 163 | Kawabata, Yuya (1500) | Won 2-0 | +211383 |
| 2sealed | 377 | Sakai, Toshinori (1745) | Lost 0-2 | -121371 |
| 3sealed | 650 | Fujii, Kento (1354) | Lost 0-2 | -181353 |
| top | average opponent: 1533record: 1-2 | new rating: 1353 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 119 | Nakai, Kenichiro (1489) | Won 2-1 | +191431 |
| 2standard | 335 | Soejima, Yuichi (1440) | Lost 1-2 | -171414 |
| 3standard | 921 | Murase, Tatsuya (1421) | Lost 1-2 | -181396 |
| 4standard | 960 | Nishiyama, Naoki (1492) | Lost 0-2 | -171379 |
| 5standard | 1177 | Hieda, Ryu (1438) | Lost 0-2 | -171362 |
| top | average opponent: 1456record: 1-4 | new rating: 1362 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 510 | Nakahara, Shuichi (1818) | Lost 1-2 | -121488 |
| 2standard | 1051 | Yajima, Tomohide (1483) | Lost 0-2 | -181470 |
| 3standard | 1608 | Miyazaki, Yuhei (1468) | Lost 0-2 | -181452 |
| 4standard | 1612 | Oka, Kenta (1448) | Won 2-0 | +171469 |
| 5standard | 1382 | Furihara, Kazuki (1285) | Lost 0-2 | -211448 |
| 6standard | 1418 | Ara, Genta (1446) | Lost 0-2 | -181430 |
| 7standard | 1260 | Jo, Kyu Sung (1429) | Draw 1-1 | 01430 |
| 8standard | 1073 | Hamada, Akihisa (1426) | Lost 0-2 | -181412 |
| top | average opponent: 1475record: 1-6-1 | new rating: 1412 | ||