Mcdonald, Rodney
Current rating: 1454
Record: 3-5
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 389 | Wetherby, Anthony (1392) | Lost 0-2 | -201480 |
| 2modern | 1057 | McCord, Alec (1537) | Lost 1-2 | -171463 |
| 3modern | 1283 | Hilston, Owen (1464) | Lost 0-2 | -181445 |
| 4modern | 1197 | Leonard, Gregory (1431) | Won 2-0 | +181463 |
| 5modern | 1157 | Pelchuck, Emmi (1411) | Lost 0-2 | -191444 |
| 6modern | 949 | Hennessey, Bob (1380) | Won 2-0 | +171461 |
| 8modern | 559 | Egan, Sean (1131) | Won 2-0 | +121473 |
| 9modern | 407 | Westergaard, Robert (1442) | Lost 0-2 | -191454 |
| average opponent: 1399record: 3-5 | new rating: 1454 | |||