Armstrong, Samuel
Current rating: 1441
Record: 17-22-2
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Winslett, Isaac (1577) | Lost 1-2 | -161460 |
| 2sealed | 362 | Bachinski, Payton (1482) | Lost 1-2 | -181442 |
| 3sealed | 490 | Cruz, Robert (1465) | Won 2-0 | +191461 |
| 4sealed | 371 | Sparks, Jesse (1408) | Won 2-0 | +171478 |
| 5sealed | 292 | Conway Jr, Jammie (1415) | Lost 1-2 | -191459 |
| 6sealed | 345 | DeRose, Dominick (1475) | Lost 1-2 | -181441 |
| top | average opponent: 1470record: 2-4 | new rating: 1441 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 202 | Lincoln, Zachary (1485) | Won 2-0 | +181492 |
| 2legacy | 203 | Gulik, John (1573) | Lost 0-2 | -171475 |
| 3legacy | 445 | [anonymous] | Lost 1-2 | -181457 |
| 4legacy | 671 | Reynoso, Alex (1484) | Won 2-0 | +181475 |
| 5legacy | 604 | Seyko, Bryce (1413) | Won 2-0 | +171492 |
| 6legacy | 325 | Wen, Ricky (1547) | Won 2-1 | +191511 |
| 7legacy | 227 | Rodriguez, Franky (1584) | Lost 0-2 | -161495 |
| 8legacy | 289 | Olson, Tyler (1463) | Lost 1-2 | -191476 |
| top | average opponent: 1501record: 4-4 | new rating: 1476 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 572 | Reyes, Jason (1506) | Lost 1-2 | -161399 |
| 2modern | 536 | Garza, Jason (1480) | Lost 0-2 | -161383 |
| 3modern | 911 | Reynolds, Steven (1463) | Lost 0-2 | -171366 |
| 4modern | 937 | Marin, Isaac (1428) | Won 2-0 | +191385 |
| 5modern | 880 | Jones, Hutton (1460) | Won 2-1 | +191404 |
| 6modern | 650 | Garza, Cesar (1777) | Won 2-1 | +251429 |
| 7modern | 599 | Juan, William (1621) | Won 2-1 | +211450 |
| 8modern | 481 | Wei, Nicholas (1497) | Won 2-0 | +191469 |
| 9modern | 227 | Reeves, Philip (1451) | Won 2-1 | +181487 |
| 10modern | 185 | Doan, Ryan (1468) | Lost 0-2 | -181469 |
| 11modern | 276 | Black, Logan (1537) | Won 2-0 | +191488 |
| 12modern | 183 | Callanan, Gordon (1546) | Won 2-0 | +191507 |
| 13modern | 159 | Fick, Benjamin (1522) | Lost 1-2 | -181489 |
| 14modern | 183 | Wu, Steven (1617) | Lost 0-2 | -151474 |
| top | average opponent: 1527record: 8-6 | new rating: 1474 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 281 | Faulkner, Clayton (1465) | Lost 1-2 | -171412 |
| 2standard | 585 | Landman, Benjamin (1496) | Lost 1-2 | -171395 |
| 3standard | 838 | Canales, Emilio (1397) | Won 2-0 | +191414 |
| 4standard | 709 | Branham, Benjamin (1483) | Draw 1-1 | +11415 |
| 5standard | 689 | Dalgleish, Christopher (1481) | Won 2-0 | +191434 |
| 6standard | 544 | Thiele, Robert (1402) | Lost 1-2 | -191415 |
| top | average opponent: 1454record: 2-3-1 | new rating: 1415 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 342 | Mills, Matthew (1427) | Lost 0-2 | -191481 |
| 2sealed | 422 | Nelson, Jesse (1434) | Lost 1-2 | -191462 |
| 3sealed | 708 | Carrisalez, Diego (1464) | Lost 0-2 | -181444 |
| 4sealed | 725 | Velasquez, Alejandro (1445) | Won 2-0 | +181462 |
| 5sealed | 603 | Scott, Michael (1517) | Lost 0-2 | -171445 |
| 6sealed | 537 | Wilson, Jacob [USA] (1563) | Draw 1-1 | +21447 |
| 7sealed | 433 | Lehrmann, Jeff (1462) | Lost 1-2 | -181429 |
| top | average opponent: 1473record: 1-5-1 | new rating: 1429 | ||