Karasawa, Ittetsu
Current rating: 1327
Record: 1-12-1
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1368 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 697 | Tokeshi, Hiroki (1500) | Won 2-0 | +201388 |
| 2sealed | 415 | Matsumura, Taku (1664) | Lost 0-2 | -131375 |
| 3sealed | 950 | Jimichi, Makoto (1480) | Lost 0-2 | -161359 |
| 4sealed | 1023 | Taitou, Masahiko (1441) | Lost 0-2 | -171342 |
| 5sealed | 1080 | Matsumoto, Shou (1473) | Lost 1-2 | -151327 |
| top | average opponent: 1512record: 1-4 | new rating: 1327 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 751 | Asai, Sotoo (1500) | Draw 1-1 | +21400 |
| 2standard | 568 | Tanimoto, Haruka (1499) | Lost 0-2 | -161384 |
| 3standard | 1051 | Daichi, Togashi (1482) | Lost 0-2 | -161368 |
| top | average opponent: 1494record: 0-2-1 | new rating: 1368 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 516 | Wakayama, Shiro (1530) | Lost 1-2 | -161432 |
| 2sealed | 757 | Kaneko, Yoshiyuki (1629) | Lost 0-2 | -151417 |
| 3sealed | 888 | Inada, Tsuyoshi (1360) | Lost 0-2 | -191398 |
| top | average opponent: 1506record: 0-3 | new rating: 1398 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 750 | Maruyama, Tomohiro (1630) | Lost 0-2 | -161484 |
| 2sealed | 1082 | I., Akira (1482) | Lost 0-2 | -181466 |
| 3sealed | 1126 | Nakajima, Hiroki 596 (1464) | Lost 0-2 | -181448 |
| top | average opponent: 1525record: 0-3 | new rating: 1448 | ||