Matthaei, Matthew
Current rating: 1394
Record: 13-20 (GP) / 1-3 (professional)
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 165 | Bradford, Paul (1594) | Lost 0-2 | -151391 |
| 3standard | 380 | Langdon, Thomas (1497) | Won 2-1 | +201411 |
| 4standard | 205 | Glenn, Marcus (1465) | Lost 1-2 | -171394 |
| top | average opponent: 1519record: 1-2 | new rating: 1394 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 193 | Wong, Clement (1537) | Lost 1-2 | -161440 |
| 3sealed | 424 | Bucknell, Jimmy (1493) | Lost 0-2 | -171423 |
| 4sealed | 426 | Nolan, Patrick (1485) | Lost 1-2 | -171406 |
| top | average opponent: 1505record: 0-3 | new rating: 1406 | ||
| Grand Prix Denver 2013 (legacy) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 60 | Klein, Andrew (1519) | Lost 1-2 | -171423 |
| 3legacy | 198 | Wilkerson, Joseph (1443) | Won 2-0 | +191442 |
| 4legacy | 136 | Nyberg, Michael (1787) | Lost 0-2 | -121430 |
| 5legacy | 195 | Lau, Ricky (1479) | Won 2-1 | +191449 |
| 6legacy | 165 | Nelson, Tanner (1693) | Won 2-1 | +221471 |
| 7legacy | 137 | Tucker, Tyler (1662) | Lost 1-2 | -151456 |
| top | average opponent: 1597record: 3-3 | new rating: 1456 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | Brenchley, Jared (1520) | Lost 0-2 | -171457 |
| 2standard | 420 | Hendley, Tim (1484) | Won 2-0 | +191476 |
| 3standard | 320 | Shirley, James (1485) | Lost 1-2 | -181458 |
| 4standard | 436 | Owen, Zach S (1465) | Lost 0-2 | -181440 |
| top | average opponent: 1488record: 1-3 | new rating: 1440 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 403 | Simon, Michael (1500) | Lost 0-2 | -171427 |
| 2sealed | 558 | Emfinger, Stacy (1484) | Won 2-0 | +191446 |
| 3sealed | 530 | Heiss, Nathan (1670) | Won 2-1 | +221468 |
| 4sealed | 506 | Chan, Thomas (1500) | Lost 0-2 | -171451 |
| 5sealed | 519 | Luginbuhl, Jesse (1500) | Won 2-1 | +181469 |
| 6sealed | 475 | Bretz, Aaron (1518) | Won 2-1 | +191488 |
| 7sealed | 452 | Romero, Mario A (1563) | Won 2-0 | +201508 |
| 8sealed | 449 | Cleberg, Thomas (1614) | Lost 1-2 | -161492 |
| 9sealed | 453 | O'Hara, Ron (1525) | Lost 0-2 | -181474 |
| top | average opponent: 1541record: 5-4 | new rating: 1474 | ||
| Grand Prix Denver 2001 (Invasion block) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 48 | Maeda, Karen (1500) | Won 2-1 | +191456 |
| 2block | 26 | Johnson, Gunnar (1518) | Lost 0-2 | -161440 |
| 3block | 102 | Oaks, Luke (1500) | Won 2-1 | +191459 |
| 4block | 61 | Heinig, Ian (1518) | Lost 1-2 | -171442 |
| 5block | 104 | Iutrator, Isaac (1500) | Won 2-0 | +191461 |
| 6block | 81 | Thomas, Cole (1517) | Lost 0-2 | -171444 |
| top | average opponent: 1509record: 3-3 | new rating: 1444 | ||
| Pro Tour Los Angeles 2001 (INV rochester) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 152 | Rose, Kyle (1825) | Lost 0-2 | -121453 |
| 2rochester | 150 | Bede, Robert (1467) | Lost 1-2 | -181435 |
| 3rochester | 109 | Pineda, Jake (1508) | Won 2-0 | +201455 |
| 4rochester | 100 | Fitzgerald, Sean M (1500) | Lost 1-2 | -181437 |
| top | average opponent: 1575record: 1-3 | new rating: 1437 | ||
| Grand Prix Kansas City 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 152 | Neukam, Jake (1500) | Lost 0-0 | -181482 |
| 5extended | 120 | Gibson, Grant (1516) | Lost 0-0 | -171465 |
| top | average opponent: 1508record: 0-2 | new rating: 1465 | ||