Kalbusch, Roger C
Current rating: 1493
Record: 4-5-1
| Grand Prix Melbourne 2012 (DKA limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 34 | Cunnington, Benjamin (1540) | Won 2-0 | +191483 |
| 3sealed | 64 | Orazi, Davide Christian (1711) | Won 2-1 | +221505 |
| 4sealed | 56 | Unwin, Daniel (1744) | Won 2-1 | +231528 |
| 5sealed | 18 | De Gois, Egidio (1614) | Lost 0-2 | -171511 |
| 6sealed | 71 | Cook, Tristan (1482) | Lost 0-2 | -181493 |
| average opponent: 1618record: 3-2 | new rating: 1493 | |||
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | DeRidder, Trent (1500) | Lost 1-2 | -181482 |
| 2sealed | 117 | Allen, Tarragon (1482) | Lost 0-2 | -181464 |
| 3sealed | 175 | Chiu, Justin (1464) | Lost 1-2 | -181446 |
| 4sealed | 192 | Kunimitsu, Masayuki (1446) | Won 2-1 | +181464 |
| 5sealed | 167 | McDonnell, Peter (1463) | Draw 1-1 | 01464 |
| average opponent: 1471record: 1-3-1 | new rating: 1464 | |||