Blackwell, Andrew
Current rating: 1574
Record: 21-20-2
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 90 | garrett, brandon (1500) | Won 2-0 | +181483 |
| 2pioneer | 199 | Segal, Jacob (1731) | Won 2-1 | +231506 |
| 3pioneer | 71 | Puls, Matt (1680) | Won 2-1 | +211527 |
| 4pioneer | 25 | Roper, Kaitlyn (1558) | Won 2-1 | +191546 |
| 5pioneer | 30 | Dixon, Joe (1873) | Lost 1-2 | -131533 |
| 6pioneer | 326 | Sheldon, Donald (1815) | Won 2-0 | +231556 |
| 7pioneer | 60 | Fadel, Mohammed (1636) | Lost 0-2 | -161540 |
| 8pioneer | 61 | O'Donnell, Devon (1793) | Lost 1-2 | -141526 |
| 9pioneer | 126 | Green, Edward (1574) | Won 2-0 | +191545 |
| 10pioneer | 71 | Carpenter, Brandon (1604) | Won 2-0 | +191564 |
| 11pioneer | 73 | Gregory, Ryan (1656) | Lost 0-2 | -161548 |
| 12pioneer | 89 | Fried, Richard (1620) | Won 2-0 | +191567 |
| 13pioneer | 52 | Sears, Isaac (1964) | Lost 1-2 | -111556 |
| 14pioneer | 80 | Bugg, Austin (1571) | Won 2-1 | +181574 |
| top | average opponent: 1684record: 9-5 | new rating: 1574 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 276 | Evans, Chris (1500) | Won 2-0 | +181498 |
| 2sealed | 32 | Iyer, Krishna (1518) | Lost 0-0 | -171481 |
| 3sealed | 371 | Pang, Terry (1499) | Won 2-0 | +181499 |
| 4sealed | 328 | Ackley, Ronnie (1486) | Lost 0-2 | -181481 |
| 5sealed | 275 | Spencer, Jesse (1590) | Lost 1-2 | -161465 |
| top | average opponent: 1519record: 2-3 | new rating: 1465 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 143 | Glanville, David (1500) | Draw 1-1 | 01477 |
| 2sealed | 294 | Verbeeck, Shiloh (1436) | Won 2-1 | +171494 |
| 3sealed | 280 | Green, Gregory (1518) | Lost 1-2 | -171477 |
| 4sealed | 406 | Juul, Soren (1503) | Won 2-1 | +181495 |
| 5sealed | 273 | Kolman, Vincent (1556) | Won 2-1 | +191514 |
| 6sealed | 169 | Killian, Scott (1536) | Lost 0-2 | -171497 |
| 7sealed | 251 | Endres, Carl (1569) | Lost 0-2 | -171480 |
| top | average opponent: 1517record: 3-3-1 | new rating: 1480 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 341 | Lu, Hsiu-Chi (1496) | Lost 1-2 | -181478 |
| 2legacy | 388 | Bieber-Tremblay, Paul (1447) | Lost 1-2 | -191459 |
| 3legacy | 563 | Gula, Peter (1464) | Won 2-0 | +181477 |
| 4legacy | 572 | Re, Joe (1454) | Won 2-0 | +181495 |
| 5legacy | 436 | Bashaw, Zachary (1481) | Lost 1-2 | -181477 |
| top | average opponent: 1468record: 2-3 | new rating: 1477 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 126 | Dalton, Michael (1653) | Lost 1-2 | -151495 |
| 3sealed | 412 | Wilkinson, Gary (1447) | Won 2-0 | +171512 |
| 4sealed | 271 | Pennachio, Joe (1615) | Lost 0-2 | -161496 |
| top | average opponent: 1572record: 1-2 | new rating: 1496 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 259 | Causing, Jesus (1517) | Won 2-0 | +191485 |
| 2modern | 189 | Peth, Joshua (1518) | Won 2-0 | +181503 |
| 3modern | 38 | Chowdhry, Shawn (1537) | Draw 1-1 | +11504 |
| 4modern | 138 | Barnum, Ct (1537) | Won 2-0 | +191523 |
| 5modern | 70 | Katara, Manohar (1522) | Won 2-0 | +171540 |
| 6modern | 31 | Holiday, Nathan (1840) | Lost 1-2 | -121528 |
| 7modern | 92 | Tiu, Timothy (1543) | Lost 1-2 | -181510 |
| top | average opponent: 1573record: 4-2-1 | new rating: 1510 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 327 | Fulk, David (1565) | Lost 0-2 | -171483 |
| 4legacy | 406 | Lee, Garrett (1515) | Lost 0-2 | -171466 |
| top | average opponent: 1540record: 0-2 | new rating: 1466 | ||