Aprim, Matthew
Current rating: 1397
Record: 9-18
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1377 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 588 | Schassburger, Alec (1556) | Lost 1-2 | -151362 |
| 2pioneer | 460 | Orwasher, Aaron (1592) | Won 2-1 | +221384 |
| 3pioneer | 218 | Bellak, Jacob (1486) | Lost 1-2 | -161368 |
| 4pioneer | 389 | Large, Broden (1489) | Won 2-0 | +201388 |
| 5pioneer | 395 | Sachs, Mitchell (1538) | Won 2-1 | +211409 |
| 6pioneer | 295 | Litfin, Robert (1567) | Lost 0-2 | -151394 |
| 7pioneer | 273 | Park, Stephen (1476) | Won 2-1 | +191413 |
| 8pioneer | 236 | Uebbing, Randall (1506) | Lost 1-2 | -161397 |
| top | average opponent: 1526record: 4-4 | new rating: 1397 | ||
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1347 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 482 | Browne, Jake (1548) | Lost 0-2 | -151332 |
| 2pioneer | 412 | Stensrud, Ethan (1413) | Won 2-0 | +201352 |
| 3pioneer | 349 | Chavez, Miguel (1501) | Won 2-1 | +211373 |
| 4pioneer | 216 | Masumoto, Ken (1591) | Lost 1-2 | -141359 |
| 5pioneer | 350 | Bowen, Ryan (1494) | Won 2-0 | +201379 |
| 6pioneer | 117 | Tobey, Aaron (1947) | Won 2-1 | +271406 |
| 7pioneer | 105 | Rhodes, Matthew (1538) | Lost 0-2 | -151391 |
| 8pioneer | 159 | Botting, Ryan (1610) | Lost 0-2 | -141377 |
| top | average opponent: 1580record: 4-4 | new rating: 1377 | ||
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1395 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 218 | Pick, Tyler (1515) | Lost 0-2 | -151380 |
| 2modern | 261 | Roth, Mitchel (1455) | Lost 0-2 | -171363 |
| 3modern | 426 | Mendoza, Zachary (1467) | Lost 0-2 | -161347 |
| top | average opponent: 1479record: 0-3 | new rating: 1347 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 425 | Longlais, Lucien (1531) | Lost 1-2 | -161430 |
| 2modern | 486 | Arnold, Timothy A (1481) | Lost 0-2 | -171413 |
| 3modern | 616 | Ewing, Mark (1447) | Lost 0-2 | -181395 |
| top | average opponent: 1486record: 0-3 | new rating: 1395 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 147 | Rosario, Edgar (1500) | Lost 0-2 | -181482 |
| 2standard | 339 | Grodzinski, Tyler (1486) | Lost 0-2 | -181464 |
| 3standard | 396 | Pinchot, Jared (1465) | Lost 1-2 | -181446 |
| 4standard | 442 | Parker, Joey (1447) | Won 2-0 | +181464 |
| 5standard | 410 | Joshi, Parth (1469) | Lost 1-2 | -181446 |
| top | average opponent: 1474record: 1-4 | new rating: 1446 | ||