Kobayashi, Kai
Current rating: 1460
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 207 | Wu, Yanfei (1464) | Won 2-0 | +181492 |
| 2sealed | 254 | Yokoyama, Kenichi (1440) | Won 2-1 | +171509 |
| 3sealed | 556 | Tazawa, Kazuho (1513) | Lost 1-2 | -181491 |
| 4sealed | 553 | Yamazaki, Jun (1405) | Lost 1-2 | -201471 |
| 5sealed | 958 | Kitayama, Masaya (1861) | Lost 1-2 | -111460 |
| top | average opponent: 1537record: 2-3 | new rating: 1460 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Saito, Keita (1429) | Lost 0-2 | -181447 |
| 2standard | 757 | Hattori, Takesi (1499) | Won 2-0 | +191466 |
| 3standard | 887 | Suzuki, Uta (1484) | Won 2-1 | +181484 |
| 4standard | 326 | Ichige, Masato (1633) | Won 2-0 | +211505 |
| 5standard | 344 | Nuruki, Hiroaki (1834) | Lost 0-2 | -131492 |
| 6standard | 409 | Matsumura, Takehiko (1468) | Lost 0-2 | -181474 |
| top | average opponent: 1558record: 3-3 | new rating: 1474 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 229 | Miyawaki, Takeshi (1553) | Won 2-0 | +191519 |
| 2sealed | 78 | Oodan, Takeshi (1548) | Lost 1-2 | -181501 |
| 3sealed | 194 | Kawabata, Tsubasa (1466) | Lost 0-2 | -181483 |
| 4sealed | 290 | Suzuki, Yusuke (1507) | Lost 0-2 | -181465 |
| top | average opponent: 1518record: 1-3 | new rating: 1465 | ||