Kojima, Naoyuki
Current rating: 1458
Record: 4-6
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 63 | Tobe, Masato (1500) | Won 2-1 | +181516 |
| 2standard | 169 | Tanaka, Mami (1340) | Lost 1-2 | -211495 |
| 3standard | 931 | Atsumi, Naoya (1431) | Lost 1-2 | -191476 |
| 4standard | 1275 | Utsugi, Ryo (1480) | Won 2-1 | +181494 |
| 5standard | 958 | Igeta, Hirofumi (1497) | Lost 0-2 | -181476 |
| 6standard | 1200 | Itou, Takeshi (1489) | Lost 0-2 | -181458 |
| average opponent: 1456record: 2-4 | new rating: 1458 | |||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Yamauchi, Youta (1500) | Lost 1-2 | -181482 |
| 2sealed | 248 | Okuda, Keita (1466) | Lost 1-2 | -181464 |
| 3sealed | 365 | Sakurai, Tetsuya (1466) | Won 2-0 | +181482 |
| 4sealed | 318 | Bae, Sanghoon (1398) | Won 2-0 | +161498 |
| average opponent: 1457record: 2-2 | new rating: 1498 | |||