Welsh, Calvin
Current rating: 1551
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 33 | Parrish, Dominick (1500) | Won 2-0 | +191472 |
| 2modern | 51 | Blackwell, Matthew (1516) | Won 2-1 | +191491 |
| 3modern | 163 | Lisko, Nathan (1463) | Won 2-0 | +181509 |
| 4modern | 36 | Franzen, Logan (1665) | Won 2-1 | +201529 |
| 5modern | 43 | Nettles, Logan (2013) | Won 2-1 | +271556 |
| 6modern | 2 | Lappin, Adam (1589) | Won 2-1 | +181574 |
| 7modern | 6 | Cusick, Brian (1715) | Won 2-0 | +211595 |
| 8modern | 5 | Longlais, Lucien (1997) | Lost 0-2 | -111584 |
| 9modern | 13 | Locke, Steve (1988) | Lost 0-2 | -111573 |
| 10modern | 20 | Wilson, Noah 0672 (1578) | Lost 0-2 | -181555 |
| 11modern | 53 | Luong, Marcus (2043) | Lost 1-2 | -101545 |
| 12modern | 59 | Dieter, Tyler (1687) | Lost 0-2 | -151530 |
| 13modern | 79 | Gack, Gary (1561) | Won 2-1 | +181548 |
| 14modern | 67 | Noren, Carl (1573) | Won 2-0 | +191567 |
| 15modern | 53 | Graham, Thomas (1679) | Lost 1-2 | -161551 |
| top | average opponent: 1705record: 9-6 | new rating: 1551 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Knabenbauer, Jared (1539) | Lost 0-2 | -181488 |
| 2sealed | 318 | Bock, Alexander (1482) | Lost 1-2 | -181470 |
| 3sealed | 571 | Chang, Calvin (1550) | Lost 1-2 | -171453 |
| top | average opponent: 1524record: 0-3 | new rating: 1453 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 238 | Dietz, Dyllon (1500) | Lost 1-2 | -181482 |
| 2standard | 317 | Gauker, Dylan (1686) | Won 2-0 | +221504 |
| 3standard | 371 | Dienstbier, Eric (1499) | Lost 1-2 | -181486 |
| 4standard | 434 | Donaho, Payton (1483) | Won 2-1 | +181504 |
| 5standard | 366 | Reid, Jason (1391) | Lost 1-2 | -211483 |
| 6standard | 393 | Dick, Josh (1462) | Won 2-1 | +181501 |
| 7standard | 287 | Thompson-Exner, Gavin (1632) | Won 2-0 | +201521 |
| 8standard | 272 | Lee, Dozmen (1634) | Lost 0-2 | -151506 |
| top | average opponent: 1536record: 4-4 | new rating: 1506 | ||