Heathcock, Joe
Current rating: 1531
Record: 19-21
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 254 | Rinauto, Benjamin (1623) | Won 2-0 | +211524 |
| 3standard | 192 | Campbell, Chantelle (1630) | Lost 1-2 | -171507 |
| 4standard | 410 | Davis, Peter (1799) | Won 2-1 | +241531 |
| 5standard | 275 | Stein, Harrison (1513) | Lost 0-2 | -191512 |
| 6standard | 222 | Alfaro, Michael (1518) | Won 2-0 | +181530 |
| 7standard | 143 | Sottile, Aiden (1573) | Lost 1-2 | -171513 |
| 8standard | 207 | Derro, Gavin (1491) | Won 2-1 | +181531 |
| top | average opponent: 1592record: 4-3 | new rating: 1531 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 11 | McCord, Christopher (1592) | Lost 0-2 | -181530 |
| 4standard | 448 | Sallie, Jeremy (1457) | Won 2-1 | +171547 |
| 5standard | 274 | Bourroughs, Chris (1737) | Won 2-1 | +211568 |
| 6standard | 211 | Leal, Julian (1593) | Lost 1-2 | -171551 |
| 7standard | 287 | Vinson, Gary (1466) | Lost 1-2 | -201531 |
| 8standard | 372 | Rountree, Collin (2021) | Lost 0-2 | -91522 |
| 9standard | 393 | Laporte, Gabryel (1509) | Lost 1-2 | -191503 |
| top | average opponent: 1625record: 2-5 | new rating: 1503 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 22 | Shapiro, Jared (1518) | Won 2-1 | +181521 |
| 3sealed | 38 | Chen, Tzu-Mainn (1653) | Won 2-0 | +211542 |
| 4sealed | 96 | Chau, Cody (1520) | Won 2-0 | +171559 |
| 5sealed | 7 | Llodra, Juan Pablo (1948) | Won 2-0 | +251584 |
| 6sealed | 28 | Carroll, Clayton (1541) | Won 2-0 | +171601 |
| 7sealed | 2 | Davis, Andrew (1853) | Lost 0-2 | -131588 |
| 8sealed | 68 | Collier-Ridge, Owen (1599) | Lost 0-2 | -181570 |
| 9sealed | 81 | Dang, Martin (1802) | Lost 0-2 | -141556 |
| 10draft | 782 | Fabiano, Gerard (1790) | Lost 0-2 | -141542 |
| 11draft | 764 | Funkhouser, Connor (1583) | Lost 1-2 | -171525 |
| 12draft | 722 | Erker, Will (1783) | Won 2-0 | +231548 |
| top | average opponent: 1690record: 6-5 | new rating: 1548 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 280 | Mok, Allen (1652) | Won 2-1 | +211529 |
| 3standard | 293 | Jordan, Daniel (2084) | Lost 1-2 | -91520 |
| 4standard | 437 | Lewis, Joseph (1520) | Lost 1-2 | -181502 |
| 5standard | 507 | Carignan, Roland (1510) | Won 2-0 | +181520 |
| 6standard | 433 | Kurz, Kyle (1620) | Won 2-0 | +201540 |
| 7standard | 185 | Prowell, Xavier (1501) | Lost 0-2 | -191521 |
| 8standard | 383 | Bowers, Ryan (1517) | Lost 1-2 | -181503 |
| top | average opponent: 1629record: 3-4 | new rating: 1503 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Bonness, Glenn (1500) | Won 2-0 | +181518 |
| 2standard | 133 | Lanigan, Mike (1715) | Lost 0-2 | -141504 |
| 3standard | 365 | Hornung Jr, Mark (1368) | Lost 0-2 | -211483 |
| 4standard | 573 | Johnson, Gary (1580) | Won 2-1 | +201503 |
| 5standard | 403 | Branson, Kevin (1504) | Won 2-0 | +181521 |
| 6standard | 385 | Conn, Alexander (1769) | Lost 0-2 | -141507 |
| 7standard | 449 | Miller, Dale (1473) | Lost 1-2 | -181489 |
| 8standard | 426 | Kaufman, Kirby (1556) | Won 2-1 | +191508 |
| top | average opponent: 1558record: 4-4 | new rating: 1508 | ||