Courtney, Joe
Current rating: 1575
Record: 10-6
| Grand Prix Omaha 2015 (modern) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 227 | Badker, Tim (1500) | Won 2-0 | +171557 |
| 2modern | 262 | Taylor, Asher (1519) | Won 2-1 | +171574 |
| 3modern | 202 | Halder, Jason (1530) | Lost 0-2 | -191555 |
| 4modern | 48 | Mickel, Freddy (1440) | Lost 1-2 | -201535 |
| 5modern | 380 | Hoyle, Jacob (1505) | Won 2-0 | +181553 |
| 6modern | 200 | Juntunen, Michael (1610) | Won 2-1 | +191572 |
| 7modern | 102 | Heath, Christopher (1737) | Won 2-1 | +211593 |
| 8modern | 63 | Jacob, Devin (1596) | Lost 1-2 | -181575 |
| average opponent: 1554record: 5-3 | new rating: 1575 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 613 | Strever, Benjamin (1500) | Won 2-0 | +181518 |
| 2standard | 627 | Drahos, Jacob (1539) | Lost 1-2 | -181500 |
| 3standard | 787 | Purn, Michael (1517) | Won 2-1 | +191519 |
| 4standard | 747 | Martens, Brooks (1518) | Won 2-0 | +181537 |
| 5standard | 589 | Lyons, Greg (1537) | Lost 0-2 | -181519 |
| 6standard | 666 | Elenbogen, Andrew (1724) | Won 2-0 | +211540 |
| 7standard | 633 | SCOTT, TREVOR (1539) | Won 2-0 | +181558 |
| 8standard | 590 | Nguyen, Vinh (1524) | Lost 1-2 | -181540 |
| average opponent: 1550record: 5-3 | new rating: 1540 | |||