Welch, Marcus
Current rating: 1504
Record: 6-7
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Raz, Lemuel (1518) | Won 2-0 | +191500 |
| 2sealed | 283 | Amorin, Brandon (1424) | Lost 0-2 | -191481 |
| 3sealed | 497 | Kirker, Daniel (1502) | Lost 1-2 | -181463 |
| 4sealed | 488 | Grandon, Dylan (1509) | Won 2-1 | +191482 |
| 5sealed | 359 | Madsen, Christopher (1506) | Won 2-1 | +181500 |
| 6sealed | 311 | Leverone, Ryan (1573) | Won 2-0 | +201520 |
| 7sealed | 272 | Jones, Patrick (1592) | Won 2-1 | +191539 |
| 8sealed | 204 | Maier, Christopher (1876) | Won 2-1 | +241563 |
| 9sealed | 74 | Caitung, Rocky (1839) | Lost 0-2 | -131550 |
| 10draft | 123 | Arestad, Zachary (1558) | Lost 1-2 | -181532 |
| 12draft | 98 | Rodriguez, Alex (1797) | Lost 0-2 | -131519 |
| 13draft | 33 | Evaldi, Mark (1712) | Lost 1-2 | -151504 |
| average opponent: 1617record: 6-6 | new rating: 1504 | |||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 115 | Leung, Som-Ming (1464) | Lost 0-2 | -191481 |
| record: 0-1 | new rating: 1481 | |||