Brezinski, Mark
Current rating: 1643
Record: 56-42
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1692 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Corbeil, Louis-Philipp (1500) | Won 2-0 | +151707 |
| 2sealed | 153 | Wong, David K (1549) | Lost 0-2 | -211686 |
| 3sealed | 153 | Bernier, Yann (1521) | Lost 0-2 | -211665 |
| 4sealed | 153 | Desaulniers, Charles (1485) | Lost 0-2 | -221643 |
| top | average opponent: 1514record: 1-3 | new rating: 1643 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1677 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 196 | Andersen, Bryce (1520) | Won 2-0 | +151692 |
| 3sealed | 496 | Pearlman, Zack (1536) | Lost 1-2 | -201672 |
| 4sealed | 219 | Fellon, Adam (1535) | Won 2-1 | +151687 |
| 5sealed | 218 | Lewis, Corey (1486) | Won 2-0 | +151702 |
| 6sealed | 138 | DiPaolo, Jeremy (1558) | Won 2-0 | +151717 |
| 7sealed | 88 | Kofsky, Robert (1678) | Won 2-0 | +171734 |
| 8sealed | 186 | Salinas, Merced (1527) | Lost 0-2 | -211713 |
| 9sealed | 90 | Ho-Ten-Pow, Marino (1575) | Lost 0-2 | -211692 |
| top | average opponent: 1552record: 5-3 | new rating: 1692 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1691 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 64 | Carroll, Chad (1479) | Won 2-1 | +141705 |
| 3sealed | 181 | Stutsman, Justin (1538) | Won 2-1 | +151720 |
| 4sealed | 152 | Andrews, Joey (1515) | Won 2-0 | +141734 |
| 5sealed | 53 | Goldstein, Scott (1703) | Lost 0-2 | -181716 |
| 6sealed | 165 | Smith, Christina (1509) | Won 2-1 | +141730 |
| 7sealed | 103 | Wienburg, Ben (1753) | Won 2-1 | +181748 |
| 8sealed | 41 | Menlibai, Paul (1574) | Lost 0-2 | -211727 |
| 9sealed | 105 | Niece, Lee (1698) | Won 2-0 | +181745 |
| 10sealed | 347 | Patnik, Michael (1710) | Lost 1-2 | -191726 |
| 11draft | 35 | Isgur, Benjamin (1864) | Lost 0-2 | -151711 |
| 12draft | 28 | Barrett, Chris (1514) | Won 2-1 | +141725 |
| 13draft | 70 | Leiser, Eric (1554) | Lost 0-2 | -211704 |
| 14draft | 8 | Ng, Yue Kiu Kevin (1586) | Won 2-0 | +161720 |
| 15draft | 44 | Barrett, Chris (1518) | Lost 1-2 | -221698 |
| 16draft | 72 | Somers, Stu (1544) | Lost 0-2 | -211677 |
| top | average opponent: 1604record: 8-7 | new rating: 1677 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1688 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 103 | Parriott, Daniel (1536) | Won 2-0 | +161704 |
| 4sealed | 7 | Wise, Wesley (1678) | Won 2-1 | +171721 |
| 5sealed | 41 | Sheu, Curtis (1592) | Lost 0-2 | -201701 |
| 6sealed | 82 | Linde, Matt (1605) | Lost 1-2 | -201681 |
| 7sealed | 153 | Rogers, George (1570) | Won 2-1 | +161697 |
| 8sealed | 140 | Pack, Alan (1457) | Lost 1-2 | -221675 |
| 9sealed | 152 | Rodriguez, Frank (1566) | Won 2-0 | +161691 |
| top | average opponent: 1572record: 4-3 | new rating: 1691 | ||
| Grand Prix Taipei 2012 (RTR limited) | starting rating: 1647 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 96 | Honda, Yuji (1518) | Lost 1-2 | -211626 |
| 4sealed | 186 | Lu, Chien Ling (1436) | Won 2-0 | +151641 |
| 5sealed | 142 | Tseng, Tzu Shan (1536) | Won 2-1 | +161657 |
| 6sealed | 49 | Loh, Chuan Han (1691) | Won 2-0 | +181675 |
| 7sealed | 43 | Fornasari, Michele (1836) | Won 2-0 | +211696 |
| 8sealed | 34 | Chang, Josh (1588) | Lost 0-2 | -201676 |
| 9sealed | 59 | Lau, Sam Lei Kang (1734) | Won 2-1 | +191695 |
| 10draft | 16 | Wang, Tao-Yi (1523) | Won 2-1 | +151710 |
| 11draft | 37 | Miller, Derek (1610) | Won 2-0 | +171727 |
| 12draft | 19 | Lee, G.yee (1635) | Won 2-0 | +161743 |
| 13draft | 22 | Lee, Shi Tian (2003) | Lost 0-2 | -141729 |
| 14draft | 8 | Chn, Lu L (1609) | Lost 1-2 | -201709 |
| 15draft | 16 | Watanabe, Kenji (1541) | Lost 0-2 | -211688 |
| top | average opponent: 1635record: 8-5 | new rating: 1688 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1653 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 114 | Ganz, Andreas (1728) | Lost 1-2 | -161637 |
| 5sealed | 114 | Marushia, Mike (1474) | Won 2-0 | +151652 |
| 6sealed | 103 | Xu, Li (1541) | Won 2-1 | +161668 |
| 7sealed | 20 | Beckemeyer, Dustin (1562) | Lost 0-2 | -201648 |
| 8sealed | 137 | Ladouceur, Travis (1677) | Won 2-0 | +181666 |
| 9sealed | 47 | Wright, Michael S (1567) | Lost 1-2 | -191647 |
| top | average opponent: 1591record: 3-3 | new rating: 1647 | ||
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 8 | Urena, Luis Diego (1500) | Lost 0-2 | -201641 |
| 4sealed | 71 | Enberg, Staffan (1626) | Won 2-0 | +171658 |
| 5sealed | 23 | Harvey, Claude (1552) | Won 2-1 | +161674 |
| 6sealed | 45 | Arce Cruz, Harvey O (1536) | Won 2-1 | +161690 |
| 7sealed | 21 | Utter-Leyton, Josh (1852) | Lost 0-2 | -151675 |
| 8sealed | 28 | Estrada Morales, Mauricio (1483) | Lost 0-2 | -221653 |
| top | average opponent: 1591record: 3-3 | new rating: 1653 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1670 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 39 | Skarren, Frank (1674) | Lost 0-2 | -171653 |
| 4sealed | 440 | Bushway, Lauren (1516) | Won 2-0 | +151668 |
| 5sealed | 227 | Sliva, Matt (1539) | Lost 0-2 | -201648 |
| 6sealed | 474 | Rousseau, Hugo (1502) | Won 2-1 | +151663 |
| 7sealed | 213 | Mercier, Mathew (1570) | Won 2-1 | +161679 |
| 8sealed | 107 | Leong, Robert (1686) | Lost 1-2 | -181661 |
| top | average opponent: 1581record: 3-3 | new rating: 1661 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 108 | Cumming, Douglas A (1500) | Won 2-1 | +161652 |
| 2block | 200 | Rivera, Richard (1518) | Lost 0-2 | -211631 |
| 3block | 179 | Pei, Eric (1482) | Lost 1-2 | -201611 |
| 4block | 386 | Tooley, Nate (1448) | Won 2-1 | +151626 |
| 5block | 240 | Jacob F., (1557) | Won 2-0 | +161642 |
| 6block | 177 | Bliss, Mathew (1499) | Won 2-0 | +161658 |
| 7block | 123 | Anderson, Hans (1567) | Won 2-0 | +161674 |
| 8block | 139 | Murch, Andrew (1537) | Won 2-1 | +161690 |
| 9block | 83 | Nguyen, Justin (1620) | Lost 0-2 | -201670 |
| top | average opponent: 1525record: 6-3 | new rating: 1670 | ||
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 496 | Lemay, Sylvain (1500) | Won 2-1 | +181538 |
| 2sealed | 405 | Artzy, Noa (1519) | Won 2-1 | +171555 |
| 3sealed | 398 | Schrage, Michael (1536) | Won 2-0 | +181573 |
| 4sealed | 357 | MacDonald, Dan J (1772) | Won 2-1 | +211594 |
| 5sealed | 352 | Boccio, Matthew (1862) | Lost 0-2 | -131581 |
| 6sealed | 369 | Acosta, Luis M (1520) | Won 2-1 | +171598 |
| 7sealed | 381 | Lundquist, Ben (1868) | Lost 0-2 | -131585 |
| 8sealed | 388 | Fabiano, Gerard (1878) | Won 2-1 | +231608 |
| 9sealed | 370 | Nass, Matthew (2055) | Won 2-0 | +261634 |
| 10draft | 26 | Ganz, Andreas (1744) | Lost 0-2 | -161618 |
| 11draft | 46 | Lanthier, Dan (1724) | Won 2-0 | +201638 |
| 12draft | 52 | Bouchard, Maximilien (1567) | Won 2-0 | +161654 |
| 13draft | 24 | Rudder, Christian (1631) | Won 2-1 | +181672 |
| 14draft | 58 | Schwartz, Greg C (1696) | Lost 0-2 | -181654 |
| 15draft | 39 | Ferry, Sergio (1650) | Lost 1-2 | -181636 |
| top | average opponent: 1701record: 10-5 | new rating: 1636 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 330 | Kaminski, Stephen (1543) | Won 2-1 | +191519 |
| 2standard | 38 | Langer, Brian (1483) | Won 2-0 | +171536 |
| 3standard | 94 | Fisk, William (1537) | Won 2-0 | +181554 |
| 4standard | 73 | Herbert, Rich (1702) | Lost 1-2 | -151539 |
| 5standard | 135 | Caron, Nicholas S (1519) | Lost 1-2 | -191520 |
| 6standard | 210 | Bonder, Gabriel G (1517) | Won 2-1 | +181538 |
| 7standard | 154 | Bisson, Stephane (1536) | Won 2-1 | +181556 |
| 8standard | 74 | Mercado, Guillermo (1526) | Lost 1-2 | -181538 |
| 9standard | 96 | Kardis, Andrew P (1541) | Lost 0-2 | -181520 |
| top | average opponent: 1545record: 5-4 | new rating: 1520 | ||