Welsh, Matthew
Current rating: 1553
Record: 11-9
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 290 | Fitzpatrick, Tom (1502) | Won 1-0 | +171574 |
| 2sealed | 26 | Bowden, Ian (1529) | Won 2-0 | +171591 |
| 3sealed | 126 | Moore, Nick (1631) | Lost 1-2 | -171574 |
| 4sealed | 242 | Fonner, Charles (1518) | Lost 1-2 | -191555 |
| 5sealed | 338 | Wyrosdick, Brandon (1500) | Lost 1-2 | -191536 |
| 6sealed | 364 | Fulgenzi, Ashley (1487) | Won 2-0 | +171553 |
| average opponent: 1528record: 3-3 | new rating: 1553 | |||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 298 | Dawson, Daniel (1453) | Won 2-1 | +171517 |
| 2standard | 223 | Okorn, Zachary (1520) | Lost 0-2 | -181499 |
| 3standard | 500 | Powers, Zachary (1450) | Won 2-1 | +171516 |
| 4standard | 279 | Bollard, Liam (1594) | Won 2-1 | +201536 |
| 5standard | 158 | Cates, Weston (1602) | Lost 0-2 | -171519 |
| 6standard | 393 | Flickinger, Eric (1815) | Won 2-1 | +231542 |
| 7standard | 139 | Stinnett, Johnathan (1526) | Lost 0-2 | -181524 |
| 8standard | 305 | Holmes, Evan (1570) | Won 2-1 | +191543 |
| 9standard | 204 | Wielinga, William (1540) | Won 2-0 | +181561 |
| 10standard | 689 | Nightingale, Tyler (1751) | Lost 0-2 | -151546 |
| 11standard | 720 | Mezinko, John (1550) | Lost 1-2 | -181528 |
| 13standard | 683 | Schnayer, David (1821) | Won 2-0 | +231551 |
| 14standard | 665 | Rocco, Craig (1840) | Lost 0-2 | -121539 |
| 15standard | 682 | Giannopoulos, Steve (1546) | Won 2-0 | +181557 |
| average opponent: 1613record: 8-6 | new rating: 1557 | |||