Sieben, Darren
Current rating: 1499
Record: 3-3
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 110 | Prusak, Earl (1500) | Lost 0-0 | -181482 |
| 2standard | 215 | Bishop, Dwayne E (1465) | Won 2-1 | +181500 |
| 3standard | 160 | Greene, Tyler (1465) | Won 2-1 | +171517 |
| 4standard | 99 | Putnam, Marshall B (1519) | Lost 0-2 | -181499 |
| 5standard | 166 | Haring, Dylan (1501) | Won 2-0 | +181517 |
| 6standard | 174 | Sabean, Brandon (1502) | Lost 1-2 | -181499 |
| average opponent: 1492record: 3-3 | new rating: 1499 | |||