Alston, Philip
Current rating: 1312
Record: 12-27-1
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1321 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 308 | VanSchaik, Peter (1500) | Won 2-1 | +221343 |
| 2sealed | 36 | Swan, Jeremy (1485) | Won 2-0 | +201363 |
| 3sealed | 155 | Shao, Phillip (1694) | Lost 0-2 | -121351 |
| 4sealed | 239 | Martin, Scot (1576) | Lost 0-2 | -141337 |
| 5sealed | 168 | Raymond, Richard (1587) | Lost 1-2 | -131324 |
| 6sealed | 509 | Brinkworth, Christian (1442) | Won 2-0 | +201344 |
| 7sealed | 527 | Rocus, Andy (1424) | Lost 0-2 | -171327 |
| 8sealed | 483 | Lopez, Brian (1469) | Lost 0-2 | -151312 |
| top | average opponent: 1522record: 3-5 | new rating: 1312 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1336 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 780 | Noble, Thayer (1500) | Draw 1-1 | +31339 |
| 2sealed | 826 | Silhanek, Andrew (1500) | Won 2-1 | +211360 |
| 3sealed | 841 | Casatti, Vagner William (1998) | Lost 0-2 | -71353 |
| 4sealed | 970 | Kersey, Nick (1457) | Lost 0-2 | -171336 |
| 5sealed | 1042 | Lambdin, Sean (1501) | Lost 1-2 | -151321 |
| top | average opponent: 1591record: 1-3-1 | new rating: 1321 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1352 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 689 | Poulin, Anthony (1467) | Lost 0-2 | -161336 |
| 2modern | 782 | Lambdin, Arlo (1482) | Lost 1-2 | -151321 |
| 3modern | 1039 | Caddell, Michael (1525) | Lost 0-2 | -141307 |
| 4modern | 976 | Ababneh, Hemza (1480) | Won 2-0 | +211328 |
| 5modern | 808 | Sims, Ruben (1465) | Won 2-0 | +201348 |
| 6modern | 682 | Stevens, Meredith (1420) | Won 2-1 | +201368 |
| 7modern | 533 | Watts, Candice (1503) | Lost 1-2 | -161352 |
| 8modern | 576 | Hott, Daniel (1481) | Lost 0-2 | -161336 |
| top | average opponent: 1478record: 3-5 | new rating: 1336 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1398 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 705 | Anderson, David (1470) | Lost 1-2 | -161382 |
| 2modern | 968 | Sears, Chris (1342) | Lost 0-2 | -191363 |
| 3modern | 1146 | Doshi, Vedhas (1446) | Won 2-0 | +201383 |
| 4modern | 1075 | Witten, Zack (1611) | Lost 1-2 | -141369 |
| 5modern | 1022 | Chiodo, Christopher L (1466) | Lost 0-2 | -171352 |
| top | average opponent: 1467record: 1-4 | new rating: 1352 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 627 | Langewisch, Topher (1520) | Won 2-1 | +201466 |
| 2sealed | 405 | Sidote, Joe (1534) | Lost 0-2 | -171449 |
| 3sealed | 397 | Kruse, David (1549) | Lost 0-2 | -161433 |
| 4sealed | 447 | Villalobos, Edwin (1483) | Lost 0-0 | -171416 |
| 5sealed | 390 | Ray, Laura (1464) | Lost 0-2 | -181398 |
| top | average opponent: 1510record: 1-4 | new rating: 1398 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 136 | Martinez, Cameron (1500) | Lost 0-2 | -181482 |
| 2modern | 484 | Pacsuta, Levi (1482) | Lost 0-2 | -181464 |
| 3modern | 526 | Wisner, Steven (1431) | Won 2-0 | +171481 |
| 4modern | 519 | Burgess, Thomas (1482) | Lost 0-2 | -181463 |
| 5modern | 461 | Fry, Jacob (1503) | Won 2-0 | +191482 |
| 6modern | 376 | Conicelli, Frank (1487) | Lost 1-2 | -181464 |
| 7modern | 313 | Early, Owen (1467) | Lost 1-2 | -181446 |
| 8modern | 253 | Rotenberger, Jason (1444) | Won 2-0 | +181464 |
| 9modern | 194 | Mears, Chris (1462) | Lost 0-2 | -181446 |
| top | average opponent: 1473record: 3-6 | new rating: 1446 | ||