Altenbure, Roger
Current rating: 1381
Record: 2-9
| Grand Prix Vancouver 2015 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Murdock, Trevor (1450) | Lost 0-2 | -181428 |
| 2modern | 402 | Turchansky, Zak (1506) | Won 2-1 | +201448 |
| 3modern | 388 | Trendall, Tim (1474) | Lost 1-2 | -181430 |
| 4modern | 401 | Birch, Chris (1482) | Lost 0-2 | -171413 |
| 5modern | 464 | Eterosa, John (1562) | Lost 0-2 | -151398 |
| 6modern | 390 | Routley, Rob (1446) | Lost 0-2 | -171381 |
| average opponent: 1487record: 1-5 | new rating: 1381 | |||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Olson, Kevin (1500) | Lost 0-2 | -181482 |
| 2sealed | 321 | Tonner, Gordon (1482) | Lost 1-2 | -181464 |
| 3sealed | 307 | James, Sandra M (1464) | Won 2-0 | +181482 |
| 4sealed | 298 | Cheng, Owen (1482) | Lost 0-2 | -181464 |
| 5sealed | 344 | Lundstrom, Kyle (1466) | Lost 0-2 | -181446 |
| average opponent: 1479record: 1-4 | new rating: 1446 | |||