Taddei, Matthew
Current rating: 1651
Record: 40-30-1
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 171 | Ellison, Rikki (1518) | Lost 0-2 | -201603 |
| 3standard | 338 | Whitson, Rebecca (1500) | Won 2-0 | +161619 |
| 4standard | 226 | Taylor, Jason (1662) | Won 2-1 | +191638 |
| 5standard | 78 | Kibler, Brian (1907) | Lost 1-2 | -141624 |
| 6standard | 182 | Caitung, Rocky (1493) | Won 2-1 | +161640 |
| 7standard | 188 | Hernandez, Jesse (1451) | Lost 1-2 | -211619 |
| 8standard | 166 | McDonald, Shawn (1439) | Won 2-1 | +141633 |
| 9standard | 125 | Nicholas, Gabriel (1617) | Won 2-0 | +181651 |
| top | average opponent: 1573record: 5-3 | new rating: 1651 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 1538 | D'Ambrose, Nicolas (1500) | Won 2-0 | +151672 |
| 3legacy | 1553 | Labutka, Adam (1421) | Lost 0-2 | -221650 |
| 4legacy | 1797 | Jones, Johnathan (1518) | Won 2-0 | +151665 |
| 5legacy | 1607 | Rudolph, Jeremiah (1442) | Lost 0-2 | -221643 |
| 6legacy | 1627 | Lynn, Jerry (1502) | Lost 1-2 | -201623 |
| top | average opponent: 1476record: 2-3 | new rating: 1623 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1705 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 252 | Briscoe, Kenneth (1586) | Lost 1-2 | -201685 |
| 2modern | 356 | Goodman, Stephen (1520) | Lost 1-2 | -211664 |
| 3modern | 553 | Constantinou, Evaggelos (1466) | Won 2-0 | +151679 |
| 4modern | 533 | Dirico, Chris (1467) | Lost 1-2 | -221657 |
| top | average opponent: 1510record: 1-3 | new rating: 1657 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 210 | Perez, Yamil (1535) | Won 2-0 | +161659 |
| 3standard | 249 | Krautmann, Wenzel (1837) | Won 2-1 | +211680 |
| 4standard | 60 | Cairns, Jordan (1608) | Lost 0-2 | -191661 |
| 5standard | 168 | Mitchell, Devin (1534) | Won 2-1 | +151676 |
| 6standard | 66 | Lund, Martin (1760) | Lost 1-2 | -161660 |
| 7standard | 235 | Gerber, Josh (1535) | Won 2-0 | +161676 |
| 8standard | 142 | Henegar, Joshua (1563) | Won 2-0 | +151691 |
| 9standard | 107 | Fox, Eric (1554) | Won 2-0 | +161707 |
| 10standard | 76 | Hwang, Eugene (1811) | Lost 1-2 | -161691 |
| 11standard | 57 | Gardner, Jesse (1736) | Won 2-1 | +191710 |
| 12standard | 51 | Talley, Brian (1587) | Won 2-0 | +151725 |
| 13standard | 39 | Morphis, James (1736) | Lost 0-2 | -171708 |
| 14standard | 53 | Mercado, Guillermo (1727) | Won 2-0 | +181726 |
| 15standard | 43 | Torrez, Marcus (1581) | Lost 0-2 | -211705 |
| top | average opponent: 1650record: 9-5 | new rating: 1705 | ||
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 102 | Taylor, Houston (1552) | Lost 1-2 | -191598 |
| 4standard | 293 | Perkins, Bobby (1516) | Lost 0-2 | -191579 |
| 5standard | 281 | Dean, Diana (1502) | Won 2-0 | +161595 |
| 6standard | 264 | Henderson II, LaVance (1500) | Won 2-1 | +171612 |
| 7standard | 182 | Larson, Paul (1533) | Won 2-1 | +161628 |
| 8standard | 206 | Espenan, Jonathan (1599) | Draw 1-1 | 01628 |
| 9standard | 184 | Linn, Ricky (1577) | Won 2-0 | +171645 |
| 10standard | 50 | Elliott, Bryan (1635) | Won 2-1 | +181663 |
| 11standard | 34 | Beverley, Darren (1605) | Lost 1-2 | -191644 |
| 12standard | 46 | Stilwell, Josh (1584) | Lost 0-2 | -201624 |
| 13standard | 52 | Willhoite, Alec (1604) | Won 2-1 | +181642 |
| 14standard | 42 | Yim, Chi Hoi (1749) | Won 2-1 | +201662 |
| 15standard | 34 | Ascalon, Jason (1584) | Lost 1-2 | -191643 |
| top | average opponent: 1580record: 7-5-1 | new rating: 1643 | ||
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 217 | Winn, James (1502) | Lost 1-2 | -191524 |
| 4standard | 257 | Natividad, Ron (1519) | Won 2-1 | +181542 |
| 5standard | 256 | Kopetzky, Eric (1535) | Won 2-0 | +181560 |
| 6standard | 202 | Nguyen, Henry (1511) | Won 2-0 | +171577 |
| 7standard | 135 | Romero, Henry (1894) | Won 2-1 | +241601 |
| 8standard | 141 | Hardin, Zach (1592) | Won 2-0 | +171618 |
| 9standard | 118 | Scott-Vargas, Luis (1999) | Won 2-0 | +251643 |
| 10standard | 8 | Black, Samuel (2184) | Lost 1-2 | -91634 |
| 11standard | 14 | Wu, Allen (1629) | Lost 0-2 | -181616 |
| 12standard | 41 | Skowronski, Daniel O (1596) | Won 2-1 | +181634 |
| 13standard | 18 | Montoya, Brandon (1698) | Won 2-1 | +191653 |
| 14standard | 52 | Smith, Andrew (1717) | Lost 1-2 | -171636 |
| 15standard | 30 | White, Mike (1612) | Lost 0-2 | -191617 |
| top | average opponent: 1691record: 8-5 | new rating: 1617 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Dickson, Dane (1500) | Won 2-0 | +181520 |
| 2standard | 118 | Gorz, Philip (1522) | Won 2-0 | +181538 |
| 3standard | 126 | Contreras, Ivan (1534) | Lost 0-2 | -181520 |
| 4standard | 197 | Boulware, Marvin G (1519) | Lost 1-2 | -181502 |
| 5standard | 283 | LaRue, Jeffrey O (1499) | Won 2-1 | +181520 |
| 6standard | 322 | Oliver, Jack P (1521) | Won 2-1 | +181538 |
| 7standard | 231 | Gray, Kristopher W (1536) | Won 2-0 | +181556 |
| 8standard | 150 | Keith, Jody (1821) | Lost 0-2 | -131543 |
| top | average opponent: 1556record: 5-3 | new rating: 1543 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 417 | Green, David (1479) | Won 2-0 | +181518 |
| 2sealed | 538 | Zandi, Jeff (1587) | Lost 1-2 | -171501 |
| 3sealed | 477 | Strayer, Jeremy (1587) | Lost 0-2 | -171484 |
| 4sealed | 543 | Martin, Chris D (1484) | Won 2-0 | +181502 |
| 5sealed | 526 | Palovich, Chris (1501) | Won 2-0 | +181520 |
| 6sealed | 481 | Summerlin, Aubrey (1518) | Lost 0-2 | -181502 |
| top | average opponent: 1526record: 3-3 | new rating: 1502 | ||