Kubosawa, Kouhei
Current rating: 1447
Record: 5-8-1
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 725 | Gouda, Fumito (1449) | Draw 1-1 | 01444 |
| 2standard | 609 | Satou, Marin (1431) | Won 2-0 | +181462 |
| 3standard | 681 | Tamano, Yuuki (1496) | Won 2-0 | +181480 |
| 4standard | 357 | Kuroda, Shun (1504) | Lost 0-2 | -171463 |
| 5standard | 634 | Murayama, Keiichiro (1589) | Lost 0-2 | -161447 |
| top | average opponent: 1494record: 2-2-1 | new rating: 1447 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Saito, Daichi (1523) | Lost 0-2 | -171444 |
| top | record: 0-1 | new rating: 1444 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 574 | Nishida, Makoto (1500) | Lost 0-1 | -181479 |
| 2standard | 741 | Hyodo, Kosuke (1482) | Lost 0-2 | -181461 |
| top | average opponent: 1491record: 0-2 | new rating: 1461 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 739 | Nagao, Takuya (1401) | Won 2-0 | +161516 |
| 2sealed | 689 | Tamura, Kenji (1516) | Won 2-0 | +181534 |
| 3sealed | 724 | Kageyama, Hiroki (1432) | Lost 0-2 | -201514 |
| 4sealed | 971 | Ryou, Nogami (1520) | Won 2-1 | +181532 |
| 5sealed | 788 | Tanaka, Shinya (1539) | Lost 0-2 | -171515 |
| 6sealed | 884 | Takasawa, Sho (1515) | Lost 1-2 | -181497 |
| top | average opponent: 1487record: 3-3 | new rating: 1497 | ||