Piper, Andrew
Current rating: 1429
Record: 1-5-1
| Grand Prix Toronto 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 166 | Leonard, Matt (1429) | Lost 1-2 | -191481 |
| 2modern | 438 | Ouimet, Guillaume (1553) | Lost 0-2 | -171464 |
| 3modern | 580 | Loblaw, Ian (1457) | Lost 1-2 | -181446 |
| 4modern | 608 | Smith, Tilden (1444) | Lost 1-2 | -181428 |
| 5modern | 552 | Mills, Robert (1428) | Draw 1-1 | 01428 |
| 6modern | 467 | Pucciano, Adam (1411) | Won 2-0 | +181446 |
| 7modern | 380 | Cripps, Alex (1501) | Lost 0-2 | -171429 |
| average opponent: 1460record: 1-5-1 | new rating: 1429 | |||