Petro, Matthew
Current rating: 1545
Record: 15-15
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 747 | Johstoneaux, Tanner (1500) | Won 2-0 | +171544 |
| 2modern | 56 | Eriksson, Kjell (1628) | Won 2-1 | +201564 |
| 3modern | 320 | Lesage, Jason (1434) | Won 2-0 | +151579 |
| 4modern | 114 | Leach, William (1592) | Lost 0-2 | -171562 |
| 5modern | 485 | Rojo, Jonathan (1608) | Lost 1-2 | -171545 |
| top | average opponent: 1552record: 3-2 | new rating: 1545 | ||
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 79 | Gray, Jeremy (1466) | Won 2-0 | +171546 |
| 4sealed | 114 | Keeth, Christian (1860) | Lost 0-2 | -131533 |
| 5sealed | 111 | Rangitsch, Andrew (1624) | Won 2-0 | +201553 |
| 6sealed | 106 | Daniel, David (1824) | Lost 0-2 | -131540 |
| 7sealed | 223 | Laughlin, Pierson (1819) | Lost 0-2 | -131527 |
| top | average opponent: 1719record: 2-3 | new rating: 1527 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 139 | Sremaniak, Michael J (1499) | Lost 0-2 | -191531 |
| 3sealed | 160 | Larson, Michael (1418) | Won 2-0 | +161547 |
| 4sealed | 97 | Colista, Gian (1544) | Lost 1-2 | -181529 |
| top | average opponent: 1487record: 1-2 | new rating: 1529 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 157 | Lundberg, Derrick (1549) | Lost 1-2 | -191571 |
| 3standard | 535 | Olson, Lindsey (1500) | Won 2-0 | +171588 |
| 4standard | 180 | Paddock, Mark (1517) | Lost 0-2 | -191569 |
| 5standard | 465 | Feuerlein, Alan (1536) | Lost 1-2 | -191550 |
| top | average opponent: 1526record: 1-3 | new rating: 1550 | ||
| Grand Prix Salt Lake City 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 92 | Wilkerson, Joseph (1532) | Won 2-0 | +191519 |
| 4sealed | 21 | Pearce, Quentinn (1580) | Won 2-0 | +191538 |
| 5sealed | 49 | Pannell, Thomas (1723) | Won 2-1 | +211559 |
| 6sealed | 2 | Froehlich, Eric (2181) | Lost 1-2 | -81551 |
| 7sealed | 32 | Hughes, Shaun (1459) | Won 2-1 | +161567 |
| 8sealed | 43 | Turtenwald, Owen (2183) | Won 2-0 | +281595 |
| 9sealed | 15 | Tan, James (1740) | Lost 0-2 | -151580 |
| 10draft | 52 | Wilson, Kyle (1536) | Lost 0-2 | -191561 |
| 11draft | 2 | Bach, Austin (1551) | Won 2-1 | +181579 |
| 12draft | 37 | Morphis, James (1779) | Won 2-0 | +221601 |
| 13draft | 40 | Howland, Spencer (1645) | Lost 1-2 | -181583 |
| 14draft | 10 | Van Cleave, Trey (1813) | Lost 1-2 | -131570 |
| 15draft | 40 | Brust, Scott (1701) | Won 2-0 | +201590 |
| top | average opponent: 1725record: 8-5 | new rating: 1590 | ||