Heckman, Michael
Current rating: 1428
Record: 13-18-1
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 257 | Ko, Jason (1597) | Lost 0-2 | -151425 |
| 2modern | 436 | Donahoo, Miciah (1461) | Won 2-1 | +181443 |
| 3modern | 459 | Buzin, Bernard (1447) | Won 1-0 | +181461 |
| 4modern | 458 | Bennett, Evan (1539) | Lost 1-2 | -161445 |
| 5modern | 448 | Nguyen, Johny (1505) | Lost 0-2 | -171428 |
| top | average opponent: 1510record: 2-3 | new rating: 1428 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 174 | Shizuma, Kengo (1446) | Won 2-1 | +171494 |
| 2modern | 70 | Hopkins, Tyler (1416) | Lost 1-2 | -191475 |
| 3modern | 388 | Lewis VII, Earl (1497) | Lost 0-2 | -181457 |
| 4modern | 485 | Sanchez, Jack (1480) | Lost 1-2 | -171440 |
| top | average opponent: 1460record: 1-3 | new rating: 1440 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 516 | Wisniewski, Mark (1369) | Draw 1-1 | -11431 |
| 2modern | 635 | Moren, Kairo (1499) | Lost 1-2 | -171414 |
| 3modern | 1299 | Parnell, Thomas (1481) | Won 2-0 | +191433 |
| 4modern | 1028 | Morse, Samuel (1484) | Won 2-0 | +191452 |
| 5modern | 726 | Flores, Gator (1577) | Lost 0-2 | -161436 |
| 6modern | 947 | Weigman, Gary (1574) | Won 2-1 | +211457 |
| 7modern | 709 | Toller-Sager, Brian (1518) | Won 2-1 | +191476 |
| 8modern | 484 | Martinez, Jon (1504) | Won 2-1 | +181494 |
| 9modern | 324 | Langarica, Gilberto (1521) | Lost 1-2 | -171477 |
| top | average opponent: 1503record: 5-3-1 | new rating: 1477 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 199 | Flor Flores, Jaime (1546) | Lost 1-2 | -161470 |
| 2modern | 724 | Berumen, Adolfo (1481) | Won 2-1 | +181488 |
| 3modern | 818 | Tuan, Peter (1499) | Lost 0-2 | -181470 |
| 4modern | 818 | Chow, Harold (1430) | Lost 1-2 | -191451 |
| 5modern | 861 | Jones, Lassen (1470) | Won 2-1 | +191470 |
| 6modern | 765 | Hulvey, Chris (1356) | Lost 0-2 | -201450 |
| 7modern | 754 | Cameron, Joshua (1464) | Lost 0-2 | -181432 |
| top | average opponent: 1464record: 2-5 | new rating: 1432 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 39 | Woerner, Tommy (1449) | Won 2-0 | +171517 |
| 2standard | 332 | Peralez, Richard (1518) | Won 2-0 | +181535 |
| 3standard | 136 | Smith, RJ (1460) | Lost 0-2 | -191516 |
| 4standard | 323 | Fromme, Christoph (1457) | Won 2-0 | +171533 |
| 5standard | 291 | Ulanov, Denis (1768) | Lost 1-2 | -141519 |
| 6standard | 491 | Carrillo, Abraham (1520) | Lost 1-2 | -181501 |
| 7standard | 479 | Kim, Jeremy (1699) | Lost 1-2 | -151486 |
| top | average opponent: 1553record: 3-4 | new rating: 1486 | ||