Hallmann, Rex
Current rating: 1472
Record: 9-13
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 1177 | Burns-Kirkness, Rowan (1676) | Lost 0-2 | -141403 |
| 4modern | 1203 | Fiedler, Eric (1520) | Won 2-1 | +211424 |
| 5modern | 1197 | Jung, Brodie (1533) | Won 2-0 | +201444 |
| 6modern | 1185 | Mindt, Aaron (1635) | Lost 0-2 | -151429 |
| 7modern | 1198 | Day, Jaxon (1754) | Won 2-0 | +241453 |
| 8modern | 1189 | Tessitore, Jimmy (1605) | Won 2-0 | +201473 |
| 9modern | 1182 | Sweeney, Clifton (1784) | Lost 0-2 | -121461 |
| 10modern | 2160 | Grill, Manuel (1564) | Lost 0-2 | -161445 |
| 11modern | 2150 | Muller, Chris (1607) | Won 2-1 | +211466 |
| 12modern | 2141 | Burt, Andy (1549) | Won 2-0 | +191485 |
| 13modern | 2119 | Jessup, Daniel (1729) | Lost 0-2 | -131472 |
| top | average opponent: 1632record: 6-5 | new rating: 1472 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 129 | Allen, William (1500) | Won 2-0 | +191482 |
| 2modern | 95 | Davis, Brad (1658) | Lost 0-2 | -151467 |
| 3modern | 590 | Cox, Andrew (1438) | Lost 1-2 | -181449 |
| 4modern | 692 | Maldonado, Alfredo (1484) | Won 2-0 | +181467 |
| 5modern | 402 | Capdecoume, Blaze (1498) | Lost 1-2 | -171450 |
| 6modern | 533 | Nguyen, Minh D (1737) | Lost 0-2 | -131437 |
| 7modern | 500 | Meadors, Dan (1318) | Lost 0-2 | -201417 |
| top | average opponent: 1519record: 2-5 | new rating: 1417 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3005 | Tran, David D (1446) | Lost 0-2 | -191481 |
| 2standard | 3008 | Poole, Kevin (1482) | Lost 1-2 | -181463 |
| 3standard | 3012 | Andres, Omar (1463) | Won 2-1 | +181481 |
| 4standard | 3011 | Darcy, Michael (1498) | Lost 1-2 | -181463 |
| top | average opponent: 1472record: 1-3 | new rating: 1463 | ||