Hempel, Cody
Current rating: 1695
Record: 21-10-1
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1678 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 268 | Albert, Joseph (1461) | Won 2-1 | +141692 |
| 2modern | 170 | Riccardi, Joseph (1541) | Won 2-1 | +161708 |
| 3modern | 267 | Mesiona, Brian (1451) | Lost 1-2 | -231685 |
| 4modern | 212 | Hunter, Tyler (1527) | Lost 0-2 | -211664 |
| 5modern | 530 | Xu, Yichen (1490) | Won 2-0 | +151679 |
| 6modern | 279 | Crosby, Michael (1877) | Won 2-1 | +221701 |
| 7modern | 144 | Monks, Josh (1478) | Won 2-1 | +141715 |
| 8modern | 123 | Opferman, Anthony (1625) | Lost 0-2 | -201695 |
| top | average opponent: 1556record: 5-3 | new rating: 1695 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 703 | Wheaton, Marc (1500) | Won 2-0 | +181542 |
| 2modern | 150 | Campbell, Cole (1501) | Won 2-0 | +171559 |
| 3modern | 302 | O'Connor, Michael (1700) | Won 2-0 | +201579 |
| 4modern | 37 | Rowan, Richard (1484) | Draw 1-1 | -11578 |
| 5modern | 135 | Ellis, Jarrod (1706) | Lost 0-2 | -161562 |
| 6modern | 309 | Bateman, Ben (1593) | Won 2-1 | +191581 |
| 7modern | 200 | Shibla, Devyn (1581) | Won 2-0 | +181599 |
| 8modern | 114 | Leisenring, Zachary (1548) | Won 2-0 | +171616 |
| 9modern | 5071 | Nicholas, Stephen (1662) | Lost 1-2 | -171599 |
| 10modern | 5145 | Maxson, Gabriel (1557) | Lost 0-2 | -191580 |
| 11modern | 5175 | Peters, Patrick (1369) | Won 2-0 | +141594 |
| 12modern | 5133 | Flaczinski, Jake (1722) | Won 2-0 | +201614 |
| 13modern | 5097 | Cummings, James (1745) | Won 2-0 | +211635 |
| 14modern | 5064 | Ramirez, Alexander (1810) | Won 2-0 | +211656 |
| 15modern | 5044 | Ahn, Sung-Jin (1900) | Won 2-1 | +221678 |
| top | average opponent: 1625record: 11-3-1 | new rating: 1678 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 958 | Peternell, Raymond (1688) | Lost 0-2 | -151485 |
| 2modern | 744 | Babakol, Timur (1521) | Won 2-0 | +191504 |
| 3modern | 855 | Yunker, Christopher (1484) | Won 2-1 | +181522 |
| 4modern | 484 | Gartner, Drew (1488) | Lost 0-2 | -191503 |
| 5modern | 1024 | Solis Mancilla, Oscar (1432) | Won 2-1 | +171520 |
| 6modern | 685 | Olgado, Joseph (1455) | Lost 0-2 | -191501 |
| 7modern | 934 | Caron, Alex (1564) | Lost 1-2 | -171484 |
| 8modern | 870 | Stafford, Matthew (1499) | Won 2-0 | +181502 |
| 9modern | 713 | Buenrostro, Jesus (1726) | Won 2-0 | +221524 |
| top | average opponent: 1540record: 5-4 | new rating: 1524 | ||