Donnelly, Derek
Current rating: 1534
Record: 5-3
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Lee, Simon [CAN] (1525) | Lost 0-0 | -181482 |
| 2standard | 171 | Harder, Spencer (1481) | Won 2-0 | +181500 |
| 3standard | 149 | Trainer, Ian (1465) | Won 2-0 | +181518 |
| 4standard | 180 | Johnson, Andrew s (1484) | Lost 1-2 | -191499 |
| 5standard | 200 | Lieu, Brandon (1501) | Won 2-0 | +181517 |
| 6standard | 101 | Chan, James (1501) | Won 2-1 | +181535 |
| 7standard | 118 | Coles, Travis (1521) | Lost 1-2 | -181517 |
| 8standard | 99 | Fur, Attila (1500) | Won 2-1 | +171534 |
| average opponent: 1497record: 5-3 | new rating: 1534 | |||