Kamakura, Jun
Current rating: 1508
Record: 13-12
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 135 | Yokoyama, Takaya (1511) | Lost 1-2 | -181510 |
| 4sealed | 151 | Okumura, Masashi (1470) | Lost 1-2 | -191491 |
| 5sealed | 283 | Jinba, Daisuke (1496) | Won 2-0 | +181509 |
| 6sealed | 282 | Saitou, Nobuo (1499) | Won 2-1 | +181527 |
| 7sealed | 148 | Fujimura, Kyuta (1451) | Lost 1-2 | -191508 |
| top | average opponent: 1485record: 2-3 | new rating: 1508 | ||
| Grand Prix Kobe 2014 (modern) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 376 | Kitabayashi, Takashi (1663) | Lost 1-2 | -161555 |
| 2modern | 357 | Fujita, Chikara (1395) | Lost 1-2 | -211534 |
| 3modern | 542 | Fujimoto, Hisashi (1465) | Won 2-0 | +171551 |
| 4modern | 460 | Soma, Daiki (1448) | Lost 0-2 | -201531 |
| 5modern | 469 | Yamauchi, Takahiro (1486) | Won 2-0 | +171548 |
| 6modern | 426 | Miyawaki, Takayuki (1445) | Lost 1-2 | -201528 |
| top | average opponent: 1484record: 2-4 | new rating: 1528 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 504 | Kawano, Yuuki (1463) | Won 2-1 | +171515 |
| 3standard | 609 | Ueda, Daisuke (1482) | Won 2-1 | +181533 |
| 4standard | 532 | Okamoto, Satoshi (1555) | Lost 0-2 | -181515 |
| 5standard | 460 | Matoba, Keisuke (1498) | Won 2-0 | +181533 |
| 6standard | 264 | Fukunaga, Keisuke (1519) | Won 2-1 | +171550 |
| 7standard | 280 | Senoo, Yuto (1537) | Lost 0-2 | -181532 |
| 8standard | 333 | Andou, Koutarou (1715) | Won 2-1 | +211553 |
| 9standard | 229 | Akabame, Sho (1537) | Won 2-1 | +181571 |
| top | average opponent: 1538record: 6-2 | new rating: 1571 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 461 | Kitajima, Ryoko (1500) | Lost 1-2 | -181482 |
| 2modern | 515 | Takawashi, Kenji (1465) | Lost 0-2 | -181464 |
| 3modern | 644 | Ellis, John (1467) | Won 2-0 | +181482 |
| 4modern | 498 | Enomoto, Yuuji (1483) | Won 2-0 | +181500 |
| 5modern | 504 | Yamamura, Mitsutoshi (1388) | Won 2-1 | +161516 |
| 6modern | 350 | Katou, Kotarou (1518) | Lost 0-2 | -181498 |
| top | average opponent: 1470record: 3-3 | new rating: 1498 | ||