Hartwick, Mathew
Current rating: 1533
Record: 5-4
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 50 | Martinez, Austin (1708) | Lost 0-2 | -141486 |
| 2pioneer | 386 | Ardoin, Micheal (1452) | Won 2-0 | +171503 |
| 3pioneer | 423 | Varney, Roy (1558) | Lost 0-2 | -171486 |
| 4pioneer | 475 | Kleckner, Joe (1451) | Won 2-1 | +171503 |
| 5pioneer | 362 | Boyardee, Cliff (1744) | Lost 1-2 | -131490 |
| 6pioneer | 384 | Stanley, Robert (1901) | Won 2-0 | +251515 |
| 7pioneer | 336 | Biddle, John (1449) | Won 2-1 | +171532 |
| 8pioneer | 212 | Betts, Dustin (1615) | Won 2-0 | +191551 |
| 9pioneer | 96 | Fried, Richard (1548) | Lost 1-2 | -181533 |
| average opponent: 1603record: 5-4 | new rating: 1533 | |||