Grimmer, Brian
Current rating: 1577
Record: 33-30 (GP) / 3-2-1 (professional)
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 229 | Mason, Donald (1367) | Lost 0-2 | -221574 |
| 4standard | 284 | Liveri, Chris (1487) | Lost 0-2 | -191555 |
| 5standard | 499 | Agosta, Vincent (1476) | Won 2-1 | +161571 |
| 6standard | 222 | Hundahl, Tate (1577) | Won 2-0 | +181589 |
| 7standard | 279 | Margolis, Max (1668) | Won 2-1 | +201609 |
| 8standard | 151 | Rianhard, Cain (1772) | Won 2-0 | +211630 |
| 9standard | 61 | Feliciano, Jeff (1577) | Lost 0-2 | -191611 |
| 10standard | 143 | Rubin, Steve (1906) | Won 2-1 | +231634 |
| 11standard | 128 | Driscoll, Mark (1575) | Lost 1-2 | -191615 |
| 12standard | 146 | Morantes, Simon (1544) | Lost 0-2 | -191596 |
| 13standard | 145 | Smith, Joe (1585) | Lost 1-2 | -191577 |
| top | average opponent: 1594record: 5-6 | new rating: 1577 | ||
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1633 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 71 | Ravitz, Joshua (1559) | Won 2-0 | +161649 |
| 5sealed | 36 | Jones, Robert L (1581) | Lost 0-2 | -191630 |
| 6sealed | 39 | Esposito, John (1641) | Lost 1-2 | -181612 |
| 7sealed | 70 | Krug, Andrew (1546) | Won 2-0 | +171629 |
| 8sealed | 63 | Walls, Gabe (1902) | Lost 0-2 | -131616 |
| 9sealed | 88 | Wallace, Chris M (1520) | Lost 0-2 | -201596 |
| top | average opponent: 1625record: 2-4 | new rating: 1596 | ||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 4 | Smith, Robert L (1518) | Won 2-0 | +161615 |
| 3sealed | 39 | Wolff, Zack (1637) | Lost 0-2 | -181597 |
| 4sealed | 172 | Lundblad, Erik (1542) | Won 2-1 | +171614 |
| 5sealed | 137 | Shapiro, Yakov (1648) | Lost 0-2 | -171597 |
| 6sealed | 126 | Klein, Will R (1518) | Won 2-1 | +171614 |
| 7sealed | 97 | Gundersen, Aaron (1541) | Won 2-1 | +161630 |
| 8sealed | 45 | Turtenwald, Owen (1843) | Lost 0-2 | -141616 |
| 9sealed | 80 | Kader, Nathaniel a (1545) | Won 2-0 | +171633 |
| top | average opponent: 1599record: 5-3 | new rating: 1633 | ||
| Pro Tour Geneva 2007 (PLC draft) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 108 | Katayama, Hidenori (1808) | Draw 1-1 | +41575 |
| 2draft | 81 | Garcia Gonzalez, Sergio (1535) | Lost 1-2 | -191556 |
| 3draft | 148 | Zografos, Ilias (1524) | Won 2-0 | +181574 |
| 4draft | 35 | Szleifer, Gadiel (1762) | Won 2-1 | +211595 |
| 5draft | 94 | Campiotti, Emanuele (1712) | Lost 0-2 | -161579 |
| 6draft | 100 | Nishiwaki, Kazuhisa (1655) | Won 2-0 | +201599 |
| top | average opponent: 1666record: 3-2-1 | new rating: 1599 | ||
| Grand Prix Charlotte 2005 (extended) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 154 | Lick, Michael (1500) | Lost 0-2 | -191520 |
| 2extended | 165 | Gray, Loren (1482) | Won 2-0 | +171537 |
| 3extended | 100 | Langley, Christopher (1500) | Won 2-0 | +181555 |
| 4extended | 104 | Zamberlan, Anthony (1509) | Lost 0-2 | -191536 |
| 5extended | 154 | Nolan, Jeff (1519) | Won 2-0 | +181554 |
| 6extended | 95 | Drum, Joshua (1500) | Won 2-0 | +171571 |
| 7extended | 66 | Evangelisti, Nicholas (1534) | Won 2-0 | +171588 |
| 8extended | 53 | Cuvelier, John (1625) | Lost 0-2 | -171571 |
| top | average opponent: 1521record: 5-3 | new rating: 1571 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 58 | Conner, Thomas (1518) | Won 2-1 | +181538 |
| 3standard | 56 | Rickard, Brandon (1482) | Lost 1-2 | -191519 |
| 4standard | 138 | Vandover, Jesse (1598) | Won 2-1 | +201539 |
| 5standard | 59 | Cordell, James (1541) | Won 2-1 | +181557 |
| 6standard | 41 | Hoaen, Rich (1620) | Lost 0-2 | -171540 |
| 7standard | 74 | Berrios, Ricardo (1534) | Lost 0-2 | -181522 |
| 8standard | 91 | Veloz, Anthony (1469) | Won 2-0 | +171539 |
| top | average opponent: 1537record: 4-3 | new rating: 1539 | ||
| Grand Prix New Orleans 2003 (extended) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 11 | Springer, Joseph (1518) | Won 2-0 | +181519 |
| 3extended | 39 | Szollosi, Bryan (1535) | Lost 0-2 | -181501 |
| 4extended | 99 | Taggart, Michael (1508) | Won 2-0 | +181519 |
| 5extended | 48 | Conrad, James (1538) | Won 2-0 | +191538 |
| 6extended | 42 | Smith, Alex (1575) | Lost 0-2 | -181520 |
| 7extended | 76 | Larrabee, Robert (1555) | Lost 1-2 | -171503 |
| 8extended | 72 | farnsworth, chris (1469) | Won 2-1 | +171520 |
| top | average opponent: 1528record: 4-3 | new rating: 1520 | ||
| Grand Prix Tampa Bay 2002 (TOR limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Morgan, Joshua (1500) | Won 2-1 | +181520 |
| 2sealed | 78 | Fish, Darryll (1518) | Lost 1-2 | -181502 |
| 3sealed | 133 | St.Clair, Robert (1500) | Won 2-0 | +181520 |
| 4sealed | 80 | Smetana, Michael (1459) | Lost 0-2 | -191501 |
| top | average opponent: 1494record: 2-2 | new rating: 1501 | ||
| Grand Prix Atlanta 2001 (ODY limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Jackness, Justin (1500) | Won 2-0 | +181501 |
| 2sealed | 15 | Flete, George (1518) | Lost 1-2 | -171484 |
| 3sealed | 79 | Cooper, Troy (1500) | Won 2-0 | +181502 |
| 4sealed | 100 | Hernandez, Frank (1488) | Won 2-1 | +181520 |
| 5sealed | 38 | Parker, Zachary (1537) | Lost 0-2 | -181502 |
| 6sealed | 90 | Port, Ian (1523) | Won 2-0 | +181520 |
| 7sealed | 44 | Booth, Scott (1488) | Lost 0-2 | -181502 |
| top | average opponent: 1508record: 4-3 | new rating: 1502 | ||
| Grand Prix New Orleans 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Contreary, Colin (1500) | Won 2-0 | +181518 |
| 2sealed | 29 | Lee, Eu-Ming (1518) | Lost 0-2 | -181500 |
| 3sealed | 136 | Atwood, Aaron (1500) | Lost 1-2 | -181482 |
| 4sealed | 155 | Ho, Phu (1482) | Won 2-0 | +181500 |
| 5sealed | 139 | Wolf, Andrew (1562) | Lost 0-2 | -171483 |
| top | average opponent: 1512record: 2-3 | new rating: 1483 | ||