Mahoney, Liam
Current rating: 1428
| Grand Prix Atlanta 2018 (modern) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 408 | Le, Michael (1592) | Lost 0-2 | -151404 |
| 2modern | 421 | Wilson, Seth (1465) | Won 2-0 | +191423 |
| 3modern | 581 | Corwin, Andrew (1413) | Lost 0-2 | -181405 |
| 4modern | 616 | Campbell, Joshua (1496) | Won 2-0 | +201425 |
| 5modern | 383 | Edler, Jeremy (1535) | Won 2-1 | +201445 |
| 6modern | 316 | Schepers, Jackson (1520) | Lost 1-2 | -171428 |
| top | average opponent: 1503record: 3-3 | new rating: 1428 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 439 | Owen, Kenny (1490) | Lost 1-2 | -181450 |
| 2standard | 463 | Ramirez, Edgar (1451) | Lost 1-2 | -181432 |
| 3standard | 736 | Fields, Caleb (1611) | Won 2-0 | +221454 |
| 4standard | 703 | Qian, Wentian (1481) | Lost 0-2 | -181436 |
| 5standard | 658 | Insley, Sawyer (1466) | Won 2-1 | +191455 |
| 6standard | 549 | Di Bartolo, Michael (1451) | Lost 1-2 | -181437 |
| 7standard | 603 | Browne, Zach (1465) | Lost 0-2 | -181419 |
| top | average opponent: 1488record: 2-5 | new rating: 1419 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 543 | Hairston, Nick (1517) | Lost 1-2 | -181482 |
| 3modern | 890 | Alexander, Zach (1455) | Lost 1-2 | -181464 |
| 4modern | 619 | Smith, Joseph (1546) | Won 2-1 | +191483 |
| 5modern | 648 | Davis, Matthew (1439) | Lost 1-2 | -181465 |
| 6modern | 67 | Lacomb, Corey (1538) | Won 2-1 | +191484 |
| 7modern | 526 | Spears, Paul (1604) | Lost 1-2 | -161468 |
| top | average opponent: 1517record: 2-4 | new rating: 1468 | ||