McMahan, Brian
Current rating: 1544
Record: 47-55 (GP) / 4-5 (professional)
Grand Prix Providence 2015Grand Prix New York 2016Grand Prix Providence 2016Grand Prix New Jersey 2017 (std)Grand Prix Washington DC 2017Grand Prix Hartford 2018Grand Prix Providence 2018Grand Prix New Jersey 2018Grand Prix New Jersey 2019Grand Prix Cleveland 2019Grand Prix Niagara Falls 2019Grand Prix Denver 2019Grand Prix New Jersey 2020Players Tour Online 2
| Players Tour Online 2 (MTGA IKO standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 26 | Nguyen, Thien (1885) | Won 2-1 | +241545 |
| 2standard | 44 | Wolbers, Andrew (1860) | Won 2-0 | +241569 |
| 3standard | 16 | Berkowitz, Jordan (2008) | Lost 1-2 | -111558 |
| 4standard | 61 | Webb, Zachary (1640) | Lost 0-2 | -161542 |
| 5standard | 48 | Webb, Andrew (1650) | Won 2-1 | +201562 |
| 6standard | 59 | Faeder, Dustin (1882) | Lost 1-2 | -131549 |
| 7standard | 61 | Hicks, Jackson (2123) | Lost 1-2 | -81541 |
| 8standard | 69 | Cameras Lievano, Romeo Aaron (1613) | Won 2-1 | +191560 |
| 9standard | 69 | Sakita, Luan (1654) | Lost 1-2 | -161544 |
| top | average opponent: 1813record: 4-5 | new rating: 1544 | ||
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 91 | Horkley, Ben (1562) | Lost 0-2 | -171504 |
| 4sealed | 388 | Feliciano, Josh (1393) | Lost 1-2 | -201484 |
| 5sealed | 518 | Reynolds, John (1433) | Won 2-0 | +171501 |
| 6sealed | 233 | Alvarez Cobo, Fernando (1501) | Won 2-0 | +181519 |
| 7sealed | 278 | Wheeler, Geoffrey (1512) | Won 2-0 | +181537 |
| 8sealed | 185 | Babcock, Grant (1639) | Lost 1-2 | -161521 |
| top | average opponent: 1507record: 3-3 | new rating: 1521 | ||
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 123 | Matthews, Sean (1496) | Lost 0-2 | -181514 |
| 4standard | 188 | Larson, Jonathan (1599) | Won 2-1 | +191533 |
| 5standard | 137 | Major, Chris (1501) | Lost 0-2 | -181515 |
| 6standard | 150 | Pratser, Matthew (1732) | Won 2-1 | +221537 |
| 7standard | 97 | Myers, William (1674) | Lost 1-2 | -161521 |
| top | average opponent: 1601record: 2-3 | new rating: 1521 | ||
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 74 | Armstrong, Joshua (1542) | Won 2-0 | +181543 |
| 4legacy | 61 | Goyet, Jean-Philippe (1517) | Won 2-0 | +181561 |
| 5legacy | 22 | Abenhaim, Julien (1545) | Lost 0-2 | -181543 |
| 6legacy | 101 | Reesor, Andrew (1769) | Lost 1-2 | -141529 |
| 7legacy | 177 | McCallum, Matthew (1578) | Won 2-0 | +191548 |
| 8legacy | 68 | Belanger, Maxim (1720) | Won 2-0 | +211569 |
| 9legacy | 91 | Bernal, Joseph (1721) | Lost 1-2 | -151554 |
| 10legacy | 86 | Lloyd, Alex (1509) | Lost 1-2 | -191535 |
| 11legacy | 89 | Cruz, Eric (1448) | Won 2-0 | +161551 |
| 12legacy | 61 | Fisher, Liam (1505) | Lost 0-2 | -191532 |
| top | average opponent: 1585record: 5-5 | new rating: 1532 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 288 | Saks, Ethan (1537) | Lost 0-2 | -181544 |
| 4sealed | 238 | Bacans-Grounds, Ezekeal (1522) | Lost 0-2 | -191525 |
| top | average opponent: 1529record: 0-2 | new rating: 1525 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 199 | Ling, Haoran (1710) | Won 2-0 | +221531 |
| 4sealed | 8 | Stewart, Joshua (1834) | Lost 1-2 | -131518 |
| 5sealed | 162 | Abela, Andrew (1741) | Won 2-1 | +221540 |
| 6sealed | 49 | Macaraeg, Tad (1823) | Lost 0-2 | -131527 |
| 7sealed | 305 | Huang, Hao-Shan (1898) | Won 2-1 | +251552 |
| 8sealed | 79 | Loprieno, Daniel (1536) | Won 2-0 | +171569 |
| 9sealed | 81 | Collier-Ridge, Owen (1633) | Lost 0-2 | -161553 |
| 10draft | 29 | Woodall, Chris (1654) | Won 2-0 | +191572 |
| 11draft | 56 | O'Brien, Matt (1680) | Lost 1-2 | -161556 |
| 12draft | 112 | Sundstrom, Mark (1641) | Won 2-0 | +201576 |
| 13draft | 25 | Harakidas, John (1613) | Lost 1-2 | -171559 |
| 14draft | 24 | Zheng, Zhen (1690) | Won 2-0 | +201579 |
| 15draft | 23 | Genuario, Robert (1634) | Lost 0-2 | -171562 |
| top | average opponent: 1699record: 7-6 | new rating: 1562 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 91 | Gudmundsen, Kathleen (1461) | Lost 0-2 | -191500 |
| 4standard | 229 | Lysenko, Jesse (1603) | Lost 0-2 | -161484 |
| 5standard | 353 | Merfert, John (1445) | Won 2-1 | +171501 |
| 6standard | 290 | Perez, Ruben (1617) | Won 2-1 | +201521 |
| 7standard | 229 | Claudel, Slater (1855) | Lost 1-2 | -121509 |
| top | average opponent: 1596record: 2-3 | new rating: 1509 | ||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 97 | Whiteside, Edward (1549) | Lost 0-2 | -171492 |
| 4standard | 131 | Martin, Joseph (1517) | Lost 1-2 | -181474 |
| 5standard | 187 | Raymore, TJ (1462) | Won 2-1 | +181492 |
| 6standard | 212 | Sharp, Jon (1814) | Lost 1-2 | -131479 |
| 7standard | 177 | Nunez, David (1599) | Won 2-0 | +211500 |
| 8standard | 155 | Hensel, Mike (1590) | Won 2-1 | +191519 |
| top | average opponent: 1588record: 3-3 | new rating: 1519 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 154 | Luu, Kevin (1677) | Lost 0-2 | -151509 |
| 4modern | 527 | Harbourne, Marc (1535) | Won 2-1 | +181527 |
| 5modern | 350 | Cohen, Mike (1651) | Lost 0-2 | -161511 |
| 6modern | 253 | Gavlik, Michael (1564) | Won 2-1 | +191530 |
| 7modern | 340 | Vance, Scott (1342) | Lost 0-2 | -211509 |
| top | average opponent: 1554record: 2-3 | new rating: 1509 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 7 | Warsaw, Joshua (1500) | Won 2-0 | +181544 |
| 4standard | 7 | Nikolich, Benjamin (1947) | Lost 0-2 | -111533 |
| 5standard | 116 | Laikin, Stephan (1450) | Won 2-0 | +161549 |
| 6standard | 118 | Moazen-Sayad, Pedram (1609) | Won 2-0 | +191568 |
| 7standard | 87 | Porcaro, Peter (1594) | Lost 0-2 | -171551 |
| 8standard | 176 | Place, Kevin (1453) | Lost 0-2 | -201531 |
| 9standard | 329 | Bialkowski, Adam (1711) | Won 2-0 | +211552 |
| 10standard | 138 | Ragsdale, Adam (1938) | Lost 0-2 | -111541 |
| 11standard | 200 | Monico, Riccardo (1576) | Lost 0-2 | -171524 |
| top | average opponent: 1642record: 4-5 | new rating: 1524 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 224 | Martinez II, Eddie (1648) | Lost 0-2 | -151463 |
| 3standard | 553 | DeJohn, Chris (1464) | Lost 1-2 | -181445 |
| 4standard | 742 | Nester, Andrew (1464) | Won 2-1 | +181463 |
| 5standard | 429 | O'Keefe, Justin (1485) | Won 2-0 | +181481 |
| 6standard | 473 | Cohen, Cameron (1519) | Won 2-0 | +191500 |
| 7standard | 174 | Ekey, Matthew (1526) | Won 2-0 | +191519 |
| 8standard | 113 | Vidugiris, Gaudenis (1843) | Lost 1-2 | -131506 |
| 9standard | 343 | Lopez, Michael (1591) | Won 2-1 | +201526 |
| 10standard | 169 | Soorani, Shaheen (1920) | Lost 0-2 | -111515 |
| 11standard | 195 | Reilly, Michael (1682) | Won 2-1 | +211536 |
| 12standard | 168 | Whittington, Michael (1556) | Lost 0-2 | -181518 |
| 13standard | 184 | Duke, Reid (2031) | Won 2-1 | +271545 |
| 14standard | 160 | Langit, Michael (1536) | Lost 0-2 | -191526 |
| top | average opponent: 1636record: 7-6 | new rating: 1526 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 203 | Tricomi, Brad (1518) | Lost 0-2 | -171448 |
| 3standard | 373 | Sykulski, Lynn (1487) | Won 2-0 | +181466 |
| 4standard | 352 | Gerlits, Henry (1518) | Won 2-1 | +191485 |
| 5standard | 235 | Belanger, Maxim (1836) | Lost 0-2 | -121473 |
| 6standard | 238 | Fowler, Zach (1603) | Lost 0-2 | -151458 |
| 7standard | 354 | Mohr, Charles (1424) | Lost 0-2 | -191439 |
| 8standard | 346 | Reardon, Sean (1482) | Won 2-0 | +191458 |
| 9standard | 283 | Lerch, Kyle (1545) | Won 2-0 | +201478 |
| top | average opponent: 1552record: 4-4 | new rating: 1478 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 259 | Smith, Donald (1857) | Won 2-1 | +241506 |
| 4standard | 222 | Walker, Noah (1829) | Lost 1-2 | -121494 |
| 5standard | 164 | Barta, Ben (1453) | Won 2-1 | +171511 |
| 6standard | 136 | Corpora, Jon (1546) | Lost 1-2 | -171494 |
| 7standard | 293 | Wilson, Avery (1664) | Won 2-0 | +211515 |
| 8standard | 153 | Diliberto, Mario (1687) | Won 2-1 | +211536 |
| 9standard | 95 | Polak-Rottmann, Oliver (1961) | Lost 1-2 | -111525 |
| 10standard | 231 | Tenjum, Andrew (1937) | Lost 0-2 | -111514 |
| 11standard | 229 | Walker, Samuel (1522) | Lost 0-2 | -181496 |
| 12standard | 238 | Stanford, Jarred (1534) | Won 2-1 | +191515 |
| 13standard | 204 | Chen, Shan Chun (1667) | Lost 1-2 | -151500 |
| 14standard | 204 | Baboussis, George (1468) | Lost 0-2 | -191481 |
| 15standard | 190 | Buchanan, Jessica (1558) | Lost 1-2 | -161465 |
| top | average opponent: 1668record: 5-8 | new rating: 1465 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 169 | Person, Brian (1500) | Lost 0-2 | -181482 |
| 2standard | 280 | Hernandez, Angel (1478) | Lost 1-2 | -181464 |
| 3standard | 503 | Bouchard, Remy (1439) | Lost 1-2 | -191445 |
| 4standard | 485 | Connors, Jeffrey (1446) | Won 2-1 | +181463 |
| 5standard | 409 | Consolini, Weston (1467) | Won 2-0 | +191482 |
| 6standard | 371 | Bridges, Shaun (1482) | Won 2-1 | +181500 |
| 7standard | 266 | Decker-Pond, Michael (1499) | Lost 1-2 | -181482 |
| top | average opponent: 1473record: 3-4 | new rating: 1482 | ||