Nagai, Rikiya
Current rating: 1567
Record: 11-7
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 146 | Lim, Kevin (1535) | Won 2-0 | +181539 |
| 2legacy | 104 | Akabane, Takahiro (1518) | Lost 0-2 | -181521 |
| 3legacy | 301 | Hashimoto, Keisuke (1580) | Won 2-0 | +191540 |
| 4legacy | 245 | Yamauchi, Kaito (1466) | Lost 1-2 | -191521 |
| 5legacy | 333 | Isoda, Yusuke (1320) | Won 2-0 | +141535 |
| 6legacy | 198 | Tsuboyama, Shuta (1347) | Won 2-0 | +151550 |
| 7legacy | 134 | Kodera, Yuki (1518) | Lost 1-2 | -191531 |
| 8legacy | 200 | Yamamoto, Yuta (1558) | Won 2-0 | +191550 |
| 9legacy | 126 | Kawaharada, Kosaku (1530) | Won 2-1 | +171567 |
| average opponent: 1486record: 6-3 | new rating: 1567 | |||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 809 | Yamaguchi, Yu (1457) | Won 2-0 | +171517 |
| 2sealed | 806 | Koyanagi, Takuya (1680) | Lost 1-2 | -151502 |
| 3sealed | 967 | Matsushita, Masayoshi (1501) | Won 2-0 | +181520 |
| 4sealed | 825 | Itakura, Toshiyuki (1524) | Won 2-1 | +181538 |
| 5sealed | 719 | Suzuki, Akira (1630) | Lost 1-2 | -161522 |
| 6sealed | 761 | Shimizu, Haruki (1568) | Won 2-0 | +191541 |
| 7sealed | 787 | Takahashi, Kazuya (1485) | Lost 1-2 | -191522 |
| 8sealed | 801 | Yoshioka, Tokio (1460) | Won 2-1 | +171539 |
| 9sealed | 752 | Lau, Toby (1572) | Lost 0-2 | -181521 |
| average opponent: 1542record: 5-4 | new rating: 1521 | |||