Akama, Kazuya
Current rating: 1392
Record: 7-14
| Grand Prix Yokohama 2019 (modern) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 249 | Arai, Shogo (1631) | Lost 0-2 | -141405 |
| 2modern | 789 | Ichikawa, Tomokazu (1533) | Won 2-0 | +201425 |
| 3modern | 584 | Hashiba, Satoki (1498) | Lost 0-2 | -171408 |
| 4modern | 1023 | Wang, Guangzhao (1509) | Lost 0-2 | -161392 |
| top | average opponent: 1542record: 1-3 | new rating: 1392 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1264 | Shinohara, Takahiro (1482) | Lost 1-2 | -171438 |
| 2sealed | 1264 | Yanagawa, Tomoyuki (1399) | Lost 0-2 | -191419 |
| top | average opponent: 1441record: 0-2 | new rating: 1419 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 969 | Satou, Masaya (1428) | Won 2-1 | +181446 |
| 2sealed | 930 | Penel, Francois (1518) | Won 2-0 | +191465 |
| 3sealed | 772 | Tanaka, Shinya (1540) | Won 2-0 | +191484 |
| 4sealed | 732 | Kanetuna, Yoshinori (1524) | Lost 0-2 | -171467 |
| 5sealed | 744 | Furusato, Hiroshi (1571) | Lost 0-2 | -161451 |
| 6sealed | 859 | Mishima, Takuro (1471) | Lost 1-2 | -181433 |
| 7sealed | 894 | Itou, Ryouta (1405) | Won 2-0 | +181451 |
| 8sealed | 991 | Skinstad, Erik (1548) | Won 2-1 | +201471 |
| 9sealed | 942 | Shirakihara, Ryuuichi (1607) | Lost 1-2 | -161455 |
| top | average opponent: 1512record: 5-4 | new rating: 1455 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 377 | Tanaami, Yoshiyuki (1500) | Lost 0-2 | -181482 |
| 2modern | 498 | Furuya, Youhei (1571) | Lost 0-2 | -161466 |
| 3modern | 666 | Iwayama, Masatomo (1464) | Lost 1-2 | -181448 |
| 4modern | 701 | Matsuo, Keita (1352) | Won 2-1 | +161464 |
| 5modern | 639 | Kiuchi, Satoru (1484) | Lost 1-2 | -181446 |
| 6modern | 560 | Uchida, Hiroki (1412) | Lost 1-2 | -181428 |
| top | average opponent: 1464record: 1-5 | new rating: 1428 | ||