Porcelli, Matthew
Current rating: 1423
Record: 4-9-1
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1386 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Santos, Justin (1463) | Won 2-0 | +201406 |
| 2sealed | 217 | Sweet, Parker (1518) | Draw 1-1 | +21408 |
| 3sealed | 263 | Magnuson, Max (1651) | Lost 0-2 | -141394 |
| 4sealed | 365 | Woodbury, Russell (1548) | Lost 0-2 | -151379 |
| 5sealed | 407 | Graham, Jordan (1522) | Won 2-1 | +201399 |
| 6sealed | 324 | Prehn, Jeremiah (1388) | Won 2-0 | +181417 |
| 7sealed | 246 | Wilkins, Bryon (1661) | Lost 0-2 | -141403 |
| 8sealed | 221 | Thompson, Nick (1465) | Won 2-0 | +201423 |
| average opponent: 1527record: 4-3-1 | new rating: 1423 | |||
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Smith, Jared (1312) | Lost 1-2 | -211479 |
| 2sealed | 251 | Tellez, Manuel (1300) | Lost 0-2 | -221457 |
| 3sealed | 450 | Im, Hannah (1536) | Lost 1-2 | -161441 |
| 4sealed | 513 | Rowen, Luke (1450) | Lost 1-2 | -181423 |
| 5sealed | 498 | Truelsen, Samantha (1377) | Lost 1-2 | -191404 |
| 6sealed | 464 | Bentley, Ross (1405) | Lost 0-2 | -181386 |
| average opponent: 1397record: 0-6 | new rating: 1386 | |||