Vaughn, Collin
Current rating: 1557
Record: 60-54
Grand Prix Denver 2011Grand Prix Oakland 2013Grand Prix Sacramento 2014Grand Prix Los Angeles 2014Grand Prix Las Vegas 2015 (1)Grand Prix San Diego 2015Grand Prix Sacramento 2018Grand Prix Portland 2018Grand Prix Oakland 2019Grand Prix Los Angeles 2019Grand Prix Seattle 2019Grand Prix Las Vegas 2019 (modern)Grand Prix Las Vegas 2019 (limited)Grand Prix Portland 2019
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 24 | Hamilton-Lecky, Kyle (1496) | Won 0-0 | +161609 |
| 4standard | 49 | Marklyn, Tyler (1805) | Lost 0-2 | -141595 |
| 5standard | 70 | Downey, Shane (1794) | Won 2-1 | +211616 |
| 6standard | 63 | Miller, Wilson (1429) | Lost 1-2 | -211595 |
| 7standard | 108 | Mills, Bobby (1543) | Lost 1-2 | -191576 |
| 8standard | 112 | Schlesinger, Bradley (1518) | Lost 1-2 | -191557 |
| top | average opponent: 1598record: 2-4 | new rating: 1557 | ||
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 83 | Castro Saa, Eduardo (1630) | Lost 1-2 | -171575 |
| 4sealed | 171 | Sacher, AJ (1815) | Lost 0-2 | -141561 |
| 5sealed | 338 | McGee, Patrick (1509) | Won 2-1 | +171578 |
| 6sealed | 294 | Rhoades, Evan (1366) | Won 2-0 | +151593 |
| 7sealed | 243 | Shapiro, Aaron (1566) | Won 2-1 | +171610 |
| 8sealed | 115 | Valdenegro, Gonzalo (1652) | Lost 0-2 | -171593 |
| top | average opponent: 1590record: 3-3 | new rating: 1593 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 54 | Slone, Ryan (1754) | Lost 1-2 | -151620 |
| 4modern | 372 | Royster, Brik (1648) | Lost 0-2 | -181602 |
| 5modern | 444 | Russell, Brandon (1348) | Won 2-0 | +141616 |
| 6modern | 377 | Ebert, Brandon (1484) | Won 2-1 | +151631 |
| 7modern | 279 | Mueller, Brian (1502) | Lost 1-2 | -201611 |
| 8modern | 306 | Sta.Ana, Micol (1582) | Lost 1-2 | -191592 |
| top | average opponent: 1553record: 2-4 | new rating: 1592 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1691 | |||
| round | table | opponent (rating) | result | Δrating |
| A3sealed | 138 | Henderson, Craig (1545) | Won 2-1 | +151706 |
| A4sealed | 58 | Yoo, Bradley (2043) | Lost 1-2 | -121694 |
| A5sealed | 101 | Sikkink Johnson, Matt (1909) | Lost 0-2 | -141680 |
| A6sealed | 155 | Simon, Michael (1655) | Won 2-1 | +181698 |
| A7sealed | 142 | Vandinh, Trung (1544) | Won 2-0 | +151713 |
| A8sealed | 62 | Chang, Robin (1627) | Lost 0-2 | -201693 |
| B3sealed | 207 | Lossett, Joe (1807) | Lost 1-2 | -161677 |
| B4sealed | 229 | Chavez, Gilci (1534) | Lost 0-2 | -201657 |
| B5sealed | 300 | Craciun-Young, Anthony (1471) | Lost 0-2 | -221635 |
| top | average opponent: 1682record: 3-6 | new rating: 1635 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1635 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 237 | Li, Scott (1609) | Won 2-1 | +171652 |
| 3modern | 124 | Vegso, Brian (1331) | Won 2-0 | +131665 |
| 4modern | 143 | Bruner, Christopher (1636) | Lost 1-2 | -191646 |
| 5modern | 196 | Sommer, Zachary (1626) | Won 2-0 | +181664 |
| 6modern | 176 | Huang, Hao-Shan (1767) | Won 2-1 | +201684 |
| 7modern | 61 | Pamintuan, Michael (1538) | Lost 1-2 | -211663 |
| 8modern | 220 | Arroyo, Mark (1530) | Won 2-1 | +161679 |
| 9modern | 106 | Gerlock, Alex (1857) | Lost 1-2 | -151664 |
| 10modern | 123 | Rahaman, Aadil (1573) | Won 2-0 | +161680 |
| 11modern | 94 | Garcia, Anthony (1517) | Lost 0-2 | -211659 |
| 12modern | 117 | Brunson, Damyan (1743) | Lost 1-2 | -161643 |
| 13modern | 130 | Packes, James (1505) | Won 2-1 | +151658 |
| 14modern | 113 | Holliday, Jacob (1563) | Won 2-1 | +171675 |
| 15modern | 95 | Ruiz, Ricky (1589) | Won 2-0 | +161691 |
| top | average opponent: 1599record: 9-5 | new rating: 1691 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 104 | Guttridge, James (1500) | Won 2-0 | +161624 |
| 2modern | 9 | Bindi, Bill (1574) | Won 2-0 | +171641 |
| 3modern | 181 | Sommer, Zachary (1635) | Lost 0-2 | -181623 |
| 4modern | 331 | Wernigg, Eli (1423) | Lost 1-2 | -221601 |
| 5modern | 399 | Bulthaup, Bryan (1660) | Won 2-0 | +191620 |
| 6modern | 287 | Adelman, Max (1571) | Won 2-1 | +171637 |
| 7modern | 210 | [anonymous] | Lost 1-2 | -211616 |
| 8modern | 191 | Hjersman, Johannan (1649) | Won 2-1 | +191635 |
| top | average opponent: 1561record: 5-3 | new rating: 1635 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 601 | Zabetian, Brian (1473) | Lost 0-2 | -201564 |
| 2modern | 675 | Sharp, Jeff (1381) | Lost 0-2 | -211543 |
| 3modern | 841 | Miller, Justin (1465) | Won 2-0 | +161559 |
| 4modern | 720 | Freedman, Henry (1769) | Won 2-1 | +221581 |
| 5modern | 485 | Biekert, Nicolas (1511) | Won 2-0 | +171598 |
| 6modern | 474 | Withers, Matthew (1323) | Won 2-0 | +131611 |
| 7modern | 355 | Hrinko, William (1540) | Won 2-1 | +171628 |
| 8modern | 138 | Gamoke, Joshua (1520) | Lost 0-2 | -201608 |
| top | average opponent: 1498record: 5-3 | new rating: 1608 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 140 | Dacus, Jonathan (1494) | Won 2-0 | +171583 |
| 2sealed | 112 | Luna, Richard (1480) | Won 2-1 | +161599 |
| 3sealed | 200 | Markel, Eric (1641) | Lost 0-2 | -171582 |
| 4sealed | 382 | Stinson, Dexten (1517) | Won 2-1 | +171599 |
| 5sealed | 122 | Weiswasser, Julian (1535) | Won 2-0 | +161615 |
| 6sealed | 120 | Lee, William7525 (1691) | Lost 1-2 | -161599 |
| 7sealed | 241 | Marquez, Robert (1683) | Won 2-0 | +191618 |
| 8sealed | 101 | Chung, Wilhelm (1556) | Won 2-0 | +171635 |
| 9sealed | 114 | Catterson, Matthew (1838) | Lost 1-2 | -141621 |
| 10draft | 81 | Lam, Bryan (1618) | Lost 1-2 | -181603 |
| 11draft | 68 | Johnson, Ian (1563) | Won 2-1 | +171620 |
| 12draft | 68 | Park, Jong Sun (1726) | Lost 0-2 | -161604 |
| 13draft | 50 | Bennett, Evan (1499) | Lost 0-2 | -201584 |
| top | average opponent: 1603record: 7-6 | new rating: 1584 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 21 | Schafer, Jordan (1478) | Won 2-1 | +161625 |
| 2standard | 192 | Dameron, Joshua (1464) | Lost 1-2 | -211604 |
| 3standard | 444 | Becerra Reyes, Daniel (1612) | Lost 0-2 | -181586 |
| 4standard | 643 | Boll, George (1482) | Lost 1-2 | -201566 |
| top | average opponent: 1509record: 1-3 | new rating: 1566 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 186 | Lopez, Richard (1554) | Won 2-0 | +181560 |
| 2sealed | 35 | Trapp, Mason (1518) | Won 2-0 | +181578 |
| 3sealed | 54 | Roberts, Nick (1451) | Won 2-1 | +151593 |
| 4sealed | 11 | Laub, Brian (1514) | Lost 0-2 | -191574 |
| 5sealed | 133 | Claypool, Nathan (1541) | Won 2-0 | +171591 |
| 6sealed | 77 | Anderson, Ian (1509) | Won 2-0 | +171608 |
| 7sealed | 50 | Hodges, Charlie (1525) | Won 2-1 | +161624 |
| 8sealed | 6 | Waymon, Larry (1720) | Won 2-1 | +201644 |
| 9sealed | 15 | Semerau, Brandon (1621) | Won 2-0 | +181662 |
| 10draft | 11 | Feng, Hans (1764) | Lost 0-2 | -171645 |
| 11draft | 132 | Whitcomb, Paul (1659) | Lost 0-2 | -171628 |
| 12draft | 96 | Chan, James (1603) | Lost 0-2 | -191609 |
| top | average opponent: 1582record: 8-4 | new rating: 1609 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 424 | Chiesa, Christopher (1540) | Won 2-1 | +171602 |
| 2standard | 69 | Baker, James (1439) | Lost 0-2 | -211581 |
| 3standard | 639 | Colvin, Jeremy (1500) | Lost 1-2 | -191562 |
| 4standard | 683 | Noad, Aaron (1481) | Lost 1-2 | -201542 |
| top | average opponent: 1490record: 1-3 | new rating: 1542 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1158 | Edelson, Steve (1791) | Lost 1-2 | -141586 |
| 2sealed | 1242 | Loyd, Brian (1481) | Won 2-1 | +161602 |
| 3sealed | 1194 | Nettles, Logan (1732) | Lost 1-2 | -161586 |
| 4sealed | 1237 | Thrasher, Winston (1481) | Won 2-1 | +161602 |
| 5sealed | 1150 | David-Marshall, Brian (1626) | Lost 1-2 | -171585 |
| top | average opponent: 1622record: 2-3 | new rating: 1585 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 462 | Young, Alasdair (1440) | Won 2-0 | +171504 |
| 2sealed | 6 | Grimes, Thomas (1541) | Lost 1-2 | -171487 |
| 3sealed | 484 | Seidel, Seth (1500) | Won 2-0 | +181505 |
| 4sealed | 464 | Gillespie, Jeremy (1520) | Won 2-0 | +181523 |
| 5sealed | 275 | Thomas, Paul A (1517) | Won 2-1 | +181541 |
| 6sealed | 83 | Severson, Eric (1546) | Won 2-1 | +181559 |
| 7sealed | 165 | Lay, Ryan (1539) | Won 2-0 | +181577 |
| 8sealed | 63 | Rietzl, Paul (1858) | Lost 0-2 | -131564 |
| 9sealed | 67 | Ancelmo, Fabio (1598) | Won 2-1 | +181582 |
| 10draft | 55 | Winter, Dillon (1567) | Lost 0-1 | -181564 |
| 11draft | 5 | Clements, Thomas (1578) | Lost 1-2 | -181546 |
| 13draft | 64 | Fujiya, Takahiro (1579) | Won 2-1 | +191565 |
| 14draft | 7 | Clements, Thomas (1595) | Won 2-0 | +191584 |
| 15draft | 29 | Phung, Steven (1524) | Won 2-0 | +161600 |
| top | average opponent: 1564record: 10-4 | new rating: 1600 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 467 | Wiley, Jacob 2 (1500) | Lost 0-2 | -181482 |
| 2sealed | 567 | Luginbuhl, Jesse (1482) | Won 2-0 | +181500 |
| 3sealed | 480 | Wilson, Kody (1500) | Won 2-0 | +181518 |
| 4sealed | 515 | Job, Jonathan (1725) | Lost 0-2 | -141504 |
| 5sealed | 524 | Zandi, Jeff (1567) | Lost 0-2 | -171487 |
| top | average opponent: 1555record: 2-3 | new rating: 1487 | ||