Heath, Jeffrey
Current rating: 1591
| Grand Prix Charlotte 2015 (modern) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 470 | Kinton, Nicholas (1440) | Lost 0-2 | -191474 |
| 2modern | 531 | Han, Kwan Hee (1446) | Won 2-0 | +181492 |
| 3modern | 523 | Tate, Leland (1499) | Won 2-0 | +181510 |
| 4modern | 325 | Brooks, Matthew D (1519) | Won 2-1 | +181528 |
| 5modern | 280 | Drake, William (1564) | Won 2-1 | +191547 |
| 6modern | 309 | Tarbutton, Bradley (1540) | Lost 1-2 | -191528 |
| 7modern | 391 | Lacomb, Corey (1529) | Won 2-0 | +181546 |
| 8modern | 306 | Megaro, Ryan (1533) | Won 2-1 | +181564 |
| 9modern | 270 | Kemmerer, Storm (1557) | Won 2-1 | +181582 |
| 10modern | 733 | Leutz, Joshua (1653) | Lost 0-2 | -171565 |
| 11modern | 718 | McAbee, Logan (1526) | Won 2-0 | +181583 |
| 12modern | 699 | Meyer, Benjamin (1636) | Lost 0-2 | -171566 |
| 13modern | 711 | Janus, Chris (1736) | Lost 0-2 | -151551 |
| 14modern | 735 | Deylius, Matt (1568) | Won 2-0 | +181569 |
| 15modern | 726 | Fulk, David (1813) | Won 2-0 | +221591 |
| top | average opponent: 1571record: 10-5 | new rating: 1591 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 531 | Miller, Kyle (1547) | Lost 0-2 | -161428 |
| 2extended | 597 | Slaughter, Johnathan (1498) | Lost 1-2 | -161412 |
| 3extended | 620 | Fortner, Phillip (1484) | Won 2-0 | +191431 |
| 4extended | 629 | Pass, Mark F (1482) | Won 2-0 | +191450 |
| 5extended | 589 | Lee, David (1494) | Won 2-0 | +191469 |
| 6extended | 501 | Hill, Cory (1573) | Won 2-1 | +201489 |
| 7extended | 533 | Ryan, Forrest (1611) | Won 2-1 | +201509 |
| 8extended | 474 | Boccio, Matthew (1637) | Lost 0-2 | -161493 |
| top | average opponent: 1541record: 5-3 | new rating: 1493 | ||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 19 | Gilmen, Roy (1500) | Won 2-0 | +181518 |
| 2block | 15 | Figueroa, Milton (1425) | Lost 0-2 | -201498 |
| 3block | 145 | Chamberlain, Bryan (1499) | Lost 0-2 | -181480 |
| 4block | 173 | Lichtenstein, Drew (1482) | Lost 0-2 | -181462 |
| 5block | 187 | Parker, Percey (1465) | Lost 0-2 | -181444 |
| top | average opponent: 1474record: 1-4 | new rating: 1444 | ||