Keefer, Matt
Current rating: 1616
Record: 36-29-1
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 142 | Roger, Philippe (1569) | Lost 0-2 | -191624 |
| 2legacy | 184 | Flynn, Ross (1482) | Won 2-0 | +151639 |
| 3legacy | 339 | Rocus, Andy (1501) | Won 2-0 | +161655 |
| 4legacy | 269 | Chilbert, Colin (1775) | Lost 1-2 | -161639 |
| 5legacy | 263 | Tilley, Gabriel (1534) | Won 2-1 | +161655 |
| 6legacy | 195 | Smith, Derrik (1571) | Lost 0-2 | -201635 |
| 7legacy | 204 | Lesher, Jeremy (1571) | Lost 0-2 | -191616 |
| top | average opponent: 1572record: 3-4 | new rating: 1616 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1702 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Cotterel, Trevor (1469) | Lost 0-2 | -221680 |
| 2sealed | 380 | Thomas, Braham (1818) | Lost 1-2 | -151665 |
| 3sealed | 570 | Simmons, Matthew (1464) | Lost 0-2 | -221643 |
| top | average opponent: 1583record: 0-3 | new rating: 1643 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1719 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1307 | Smalley, Tyler (1600) | Won 2-0 | +151734 |
| 2sealed | 1303 | Doyon, Dave (1516) | Lost 0-2 | -221712 |
| 3sealed | 563 | He, Yang (1503) | Lost 0-2 | -211691 |
| 4sealed | 631 | Dennis, Cole (1485) | Won 2-1 | +141705 |
| 5sealed | 599 | Wright, Garrett (1583) | Won 2-0 | +161721 |
| 6sealed | 357 | Zyla, Sarah (1689) | Lost 0-2 | -191702 |
| top | average opponent: 1563record: 3-3 | new rating: 1702 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 135 | Pringle, Craig (1508) | Won 2-1 | +171592 |
| 2legacy | 72 | Zinni, Anthony (1541) | Lost 0-2 | -191573 |
| 3legacy | 533 | Matthews, Gregory (1572) | Won 2-0 | +181591 |
| 4legacy | 447 | Vermillion, Isaac (1447) | Won 2-0 | +151606 |
| 5legacy | 384 | Oakes, Connor (1519) | Lost 0-2 | -191587 |
| 6legacy | 352 | Rose, Jeremy (1508) | Draw 1-1 | -21585 |
| 7legacy | 392 | Williams, Chad (1518) | Won 2-1 | +171602 |
| 8legacy | 265 | Deml, Stephen (1488) | Won 2-1 | +161618 |
| 9legacy | 185 | Lawrence, Andrew (1544) | Won 2-1 | +171635 |
| 10legacy | 122 | Woodworth, Rob (1649) | Won 2-1 | +181653 |
| 11legacy | 75 | Lentini, Kendrick (1704) | Won 2-1 | +191672 |
| 12legacy | 42 | Chen, Shawn (1569) | Won 2-1 | +161688 |
| 13legacy | 28 | Winn, Kolby (1751) | Won 2-1 | +191707 |
| 14legacy | 16 | Walter, Royce (2116) | Won 2-0 | +251732 |
| 15legacy | 10 | Orange, Gregory (1982) | Lost 0-2 | -131719 |
| top | average opponent: 1628record: 11-3-1 | new rating: 1719 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 54 | Weaver, Zach (1500) | Won 2-1 | +161598 |
| 2legacy | 229 | Hackman, Thomas (1518) | Won 2-0 | +171615 |
| 3legacy | 258 | Brock, Kyle (1624) | Won 2-0 | +181633 |
| 4legacy | 42 | Duffy, Jason (1535) | Lost 1-2 | -201613 |
| 5legacy | 82 | Falchetti, Matt (1552) | Lost 1-2 | -191594 |
| 6legacy | 344 | Brasch, Sean (1533) | Lost 1-2 | -191575 |
| top | average opponent: 1544record: 3-3 | new rating: 1575 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 65 | Utter-Leyton, Josh (1916) | Won 2-1 | +251515 |
| 5legacy | 47 | Kirby, Zachary (1483) | Won 2-1 | +181533 |
| 6legacy | 26 | Johnson, Jon (1466) | Lost 0-2 | -201513 |
| 7legacy | 52 | Smith, Joshua (1601) | Won 2-1 | +201533 |
| 8legacy | 43 | Shockley, Ronald (1592) | Won 2-0 | +191552 |
| 9legacy | 31 | Arndt, Adam (1596) | Lost 0-2 | -171535 |
| 10legacy | 34 | Braverman, Michael (1619) | Won 2-1 | +191554 |
| 11legacy | 21 | Ulanov, Denis (1708) | Lost 0-2 | -151539 |
| 12legacy | 47 | Mitchell, Greg 4210 (1546) | Won 2-0 | +181557 |
| 13legacy | 26 | Glover, Sean (1574) | Won 2-0 | +191576 |
| 14legacy | 15 | Tong, Paul (1615) | Won 2-0 | +181594 |
| 15legacy | 11 | Ochoa, David (1903) | Lost 0-2 | -121582 |
| top | average opponent: 1635record: 8-4 | new rating: 1582 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 85 | Pavlic, Matt (1500) | Lost 1-2 | -181450 |
| 2legacy | 154 | Chang, Roland (1496) | Lost 0-2 | -171433 |
| 3legacy | 215 | Psykira, Joshua (1462) | Won 2-0 | +191452 |
| 4legacy | 236 | Joh, Michael (1483) | Won 2-1 | +181470 |
| 5legacy | 206 | DiPrinzio, Nicholas (1466) | Won 2-1 | +181488 |
| 6legacy | 122 | Egan, Mike (1524) | Won 2-0 | +191507 |
| 7legacy | 75 | Burger, Erik (1490) | Lost 1-2 | -181489 |
| 8legacy | 107 | Goodrich, Andrew S (1525) | Lost 0-2 | -181471 |
| 9legacy | 98 | Mason, Thomas (1501) | Won 2-0 | +191490 |
| top | average opponent: 1494record: 5-4 | new rating: 1490 | ||
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 133 | Carlson, Corey (1575) | Lost 0-2 | -171483 |
| 2block | 123 | Preston, Daniel (1482) | Lost 0-2 | -181465 |
| 3block | 165 | Thomas, Anthony (1464) | Won 2-0 | +181483 |
| 4block | 162 | Tang, Jason (1482) | Lost 0-2 | -181465 |
| 5block | 145 | Young, Derek (1465) | Won 2-1 | +181483 |
| 6block | 123 | Taylor, Eric (1640) | Lost 1-2 | -151468 |
| 7block | 102 | Carlson, Brendan (1464) | Lost 0-2 | -181450 |
| 8block | 85 | Valkanas, Andrew (1440) | Won 2-1 | +181468 |
| top | average opponent: 1501record: 3-5 | new rating: 1468 | ||