Kouki, Nakao
Current rating: 1496
Record: 12-12
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 550 | Sugiki, Taiki (1382) | Lost 0-2 | -201502 |
| 2standard | 791 | Yoshihara, Yamato (1501) | Lost 1-2 | -181484 |
| 3standard | 1215 | Matsushima, Naoki (1219) | Won 2-0 | +131497 |
| 4standard | 1106 | Koyama, Noriki (1470) | Won 2-1 | +171514 |
| 5standard | 661 | Sato, Naoki2689 (1505) | Lost 1-2 | -181496 |
| top | average opponent: 1416record: 2-3 | new rating: 1496 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 569 | Akama, Takaharu (1500) | Won 2-0 | +181526 |
| 2legacy | 249 | Sasaki, Shin (1457) | Lost 1-2 | -191507 |
| 3legacy | 935 | Kobayashi, Ryosuke (1569) | Lost 0-2 | -171490 |
| 4legacy | 1074 | Kawano, Yoshinari (1430) | Won 2-1 | +171507 |
| 5legacy | 937 | Ichimura, Naoya (1500) | Lost 1-2 | -181489 |
| 6legacy | 920 | Wang, Zhe xu (1433) | Won 2-0 | +171506 |
| 7legacy | 691 | Kato, Hidekazu (1406) | Won 2-0 | +161522 |
| 8legacy | 616 | Yamakabe, Syun (1505) | Lost 0-2 | -191503 |
| 9legacy | 570 | Miyazaki, Rintarou (1546) | Won 2-0 | +191522 |
| top | average opponent: 1483record: 5-4 | new rating: 1522 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 551 | Omuta, Shoya (1500) | Won 2-0 | +171542 |
| 2sealed | 23 | Wong, Kevin (1590) | Lost 0-2 | -171525 |
| 3sealed | 716 | Suzuki, Junpei (1567) | Lost 0-2 | -171508 |
| top | average opponent: 1552record: 1-2 | new rating: 1508 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 139 | Arase, Kousuke (1501) | Won 2-0 | +181518 |
| 2standard | 380 | Hirayama, Hideyuki (1618) | Won 2-1 | +201538 |
| 3standard | 53 | Kihara, Atsuki (1760) | Won 2-0 | +221560 |
| 4standard | 53 | Ueda, Takao (1525) | Won 2-1 | +171577 |
| 5standard | 28 | Lin, Shih Feng (1657) | Lost 1-2 | -161561 |
| 6standard | 293 | Mutou, Kazuki (1643) | Lost 0-2 | -171544 |
| 7standard | 235 | Mitachi, Yuuki (1470) | Lost 0-2 | -191525 |
| top | average opponent: 1597record: 4-3 | new rating: 1525 | ||