Geyer, Pierson
Current rating: 1705 (#6202)
Record: 61-49
Grand Prix Boston 2009Grand Prix Detroit 2013Grand Prix Baltimore 2014Grand Prix Las Vegas 2015 (2)Grand Prix Pittsburgh 2015Grand Prix Washington DC 2017Grand Prix Richmond 2018 (std)Grand Prix Montreal 2018Grand Prix Milwaukee 2018Grand Prix New Jersey 2019Grand Prix Memphis 2019Grand Prix Cleveland 2019Grand Prix Richmond 2019Grand Prix New Jersey 2020
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1717 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 299 | Hicks, Steven (1574) | Won 2-0 | +161733 |
| 4sealed | 51 | Nagy, Stephen (1925) | Lost 0-2 | -151718 |
| 5sealed | 152 | Durni, Owen (1756) | Won 2-1 | +191737 |
| 6sealed | 65 | Maier, Christopher (1843) | Lost 0-2 | -161721 |
| 7sealed | 130 | Sun, Allen (1844) | Lost 0-2 | -161705 |
| top | average opponent: 1788record: 2-3 | new rating: 1705 | ||
| Grand Prix Richmond 2019 (ELD standard) | starting rating: 1760 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 55 | Smith, Stan (1487) | Won 2-1 | +131773 |
| 4standard | 60 | Senyuz, Aras (1726) | Lost 0-2 | -191754 |
| 5standard | 121 | Masters, Chase (1859) | Lost 1-2 | -161738 |
| 6standard | 173 | Tomas, Joshua (1566) | Lost 1-2 | -211717 |
| top | average opponent: 1660record: 1-3 | new rating: 1717 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1722 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 105 | Schmidt, Alec (1589) | Won 2-0 | +161738 |
| 3sealed | 111 | Shaw, Andrew (1549) | Won 2-0 | +141752 |
| 4sealed | 140 | McDermott, John (1737) | Won 2-0 | +181770 |
| 5sealed | 37 | Hassett, Devon (1586) | Won 2-1 | +151785 |
| 6sealed | 15 | Nickolai, Matthew (1818) | Won 2-1 | +181803 |
| 7sealed | 9 | Moriyama, Masahide (1770) | Lost 1-2 | -181785 |
| 8sealed | 52 | Baglio, Matthew (1755) | Lost 0-2 | -191766 |
| 9sealed | 117 | Coffman, Robert (1754) | Lost 0-2 | -181748 |
| 10draft | 113 | Fournier, Daniel (1849) | Won 2-1 | +201768 |
| 11draft | 99 | Singer, Ryan (1595) | Won 2-1 | +151783 |
| 12draft | 82 | Ngo, Alan (1596) | Lost 1-2 | -221761 |
| 13draft | 91 | Yao, Zile (1789) | Lost 0-2 | -171744 |
| 14draft | 88 | Henry, Jason (1641) | Won 2-0 | +161760 |
| top | average opponent: 1694record: 8-5 | new rating: 1760 | ||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1772 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 179 | Parta, Dustin (1522) | Lost 1-2 | -221750 |
| 3standard | 246 | Terry, Robert (1496) | Won 2-1 | +131763 |
| 4standard | 135 | Cripps, Brian (1269) | Lost 0-2 | -261737 |
| 5standard | 360 | Spasaro, Nathan (1443) | Won 2-0 | +131750 |
| 6standard | 264 | Jeffries, Richard (1605) | Won 2-0 | +151765 |
| 7standard | 169 | Fusco, Roman (1612) | Lost 1-2 | -211744 |
| 8standard | 177 | Jones, Cheston (1515) | Lost 0-2 | -221722 |
| top | average opponent: 1495record: 3-4 | new rating: 1722 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1698 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 96 | Daniello, Nicholas (1509) | Won 2-0 | +141712 |
| 3sealed | 2 | Jancuk, Joe (1526) | Won 2-0 | +151727 |
| 4sealed | 121 | Smith, Robert RC (1935) | Won 2-1 | +221749 |
| 5sealed | 46 | Soorani, Shaheen (1963) | Won 2-0 | +221771 |
| 6sealed | 2 | Yeh, Chih-Cheng (2002) | Won 2-1 | +221793 |
| 7sealed | 3 | Fitterling, Stanley (1630) | Lost 1-2 | -211772 |
| 8sealed | 63 | Hoffmann, Matthew (1659) | Lost 0-2 | -201752 |
| 9sealed | 128 | Chen, Alexander (1870) | Won 2-1 | +201772 |
| 10draft | 112 | Healy, John (1784) | Won 2-1 | +181790 |
| 11draft | 127 | Ashton, Thomas (1934) | Lost 1-2 | -151775 |
| 12draft | 124 | Saypoff, Matthew (1846) | Won 2-1 | +191794 |
| 13draft | 93 | West, Matthew (1695) | Won 2-1 | +161810 |
| 14draft | 117 | Wolbers, Andrew (1769) | Lost 1-2 | -181792 |
| 15draft | 11 | Saxe, Ryan (1726) | Lost 0-2 | -201772 |
| top | average opponent: 1775record: 9-5 | new rating: 1772 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1691 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 266 | Clawson, Brent (1813) | Lost 1-2 | -161675 |
| 3standard | 315 | Goad, Nicholas (1608) | Lost 0-2 | -191656 |
| 4standard | 558 | Saba, Adam (1557) | Won 2-0 | +161672 |
| 5standard | 461 | Schultz, Lance (1499) | Won 2-1 | +151687 |
| 6standard | 281 | Flier, Duane (1480) | Won 2-0 | +151702 |
| 7standard | 197 | Vogel, Adam (1528) | Lost 0-2 | -221680 |
| 8standard | 246 | Marshall, Jacob (1649) | Won 2-0 | +181698 |
| top | average opponent: 1591record: 4-3 | new rating: 1698 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1710 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 4 | Thiessen, Jacob (1866) | Lost 1-2 | -151695 |
| 3sealed | 267 | Fontaine, Frederic (1500) | Won 2-0 | +141709 |
| 4sealed | 149 | Schmaltz, Matt (1715) | Lost 0-2 | -181691 |
| top | average opponent: 1693record: 1-2 | new rating: 1691 | ||
| Grand Prix Richmond 2018 (std) (M19 standard) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 117 | Enck, James (1520) | Won 2-1 | +171604 |
| 3standard | 182 | Ferro, Aidan (1534) | Won 2-0 | +171621 |
| 4standard | 46 | Morissette, Alexandre (1646) | Won 2-0 | +181639 |
| 5standard | 15 | Wu, Timothy (1853) | Won 2-0 | +221661 |
| 6standard | 21 | Laikin, Stephan (1635) | Won 2-1 | +181679 |
| 7standard | 12 | Simons-Rudolph, Aedan (1584) | Won 2-1 | +161695 |
| 8standard | 7 | Masters, Chase (1820) | Won 2-1 | +201715 |
| 9standard | 3 | Hauck, Christian (1993) | Lost 0-2 | -131702 |
| 10standard | 10 | Noritake, Toshihiro (1572) | Lost 0-2 | -201682 |
| 11standard | 14 | Reed, Wesley (1591) | Won 2-1 | +161698 |
| 12standard | 13 | Pal, Carlos (1898) | Won 2-0 | +221720 |
| 13standard | 11 | Mata, Andrew (1846) | Lost 1-2 | -161704 |
| 14standard | 22 | Nikolich, Benjamin (1930) | Lost 0-2 | -141690 |
| 15standard | 20 | Ragan, Benjamin (1793) | Won 2-1 | +201710 |
| top | average opponent: 1730record: 10-4 | new rating: 1710 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 267 | Mastin, Jacob (1500) | Won 2-0 | +171575 |
| 2standard | 149 | Snyder, Asa (1756) | Won 2-0 | +211596 |
| 3standard | 242 | Ugalde Valladolid, Carlos Eduardo (1514) | Lost 1-2 | -191577 |
| 4standard | 377 | Abenhaim, Julien (1514) | Lost 0-2 | -191558 |
| 5standard | 561 | Loebel, Daniel (1229) | Won 2-1 | +121570 |
| 6standard | 421 | Simon, Michael (1706) | Won 2-1 | +201590 |
| 7standard | 180 | Sigrist, Mike (2041) | Lost 1-2 | -101580 |
| 8standard | 374 | Jackson, Allen (1834) | Won 2-1 | +231603 |
| 9standard | 246 | Bolding, Jon (1742) | Lost 1-2 | -161587 |
| top | average opponent: 1648record: 5-4 | new rating: 1587 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 154 | Wong-Tremblay, Charles (1496) | Lost 0-2 | -181531 |
| 2modern | 921 | Fracchioni, Chris (1430) | Won 2-0 | +161547 |
| 3modern | 709 | Maccarone, Dominic (1501) | Won 2-1 | +171564 |
| 4modern | 617 | Murphy, Christopher (1371) | Won 2-1 | +141578 |
| 5modern | 496 | Marx, Matthew (1490) | Won 2-1 | +171595 |
| 6modern | 198 | Barton, Nate (1632) | Lost 0-2 | -181577 |
| 7modern | 538 | Cheng, Nicholas (1631) | Won 2-1 | +191596 |
| 8modern | 273 | Harrod, Will (1517) | Lost 1-2 | -191577 |
| 9modern | 355 | Browne, Steven (1536) | Lost 1-2 | -191558 |
| top | average opponent: 1511record: 5-4 | new rating: 1558 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Newell, Vincent (1519) | Won 2-0 | +181529 |
| 2sealed | 198 | Romao, Carlos (1807) | Won 2-0 | +231552 |
| 3sealed | 194 | Dillon, Rachel (1615) | Lost 1-2 | -171535 |
| 4sealed | 301 | Manners, Jeff (1504) | Won 2-0 | +171552 |
| 5sealed | 101 | Ratanadawong, Jordan (1575) | Won 2-1 | +191571 |
| 6sealed | 128 | Pincus, Matthew (1561) | Won 2-0 | +181589 |
| 7sealed | 69 | Johnson, Douglas (1487) | Lost 0-2 | -201569 |
| 8sealed | 131 | Perosky, Scotty (1502) | Lost 1-2 | -201549 |
| top | average opponent: 1571record: 5-3 | new rating: 1549 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Allen, Gregory (1500) | Won 2-1 | +201456 |
| 2sealed | 228 | Quick, William (1518) | Won 2-1 | +191475 |
| 3sealed | 126 | Rapp, Nicholas (1591) | Lost 1-2 | -161459 |
| 4sealed | 374 | Popal, Wahid (1485) | Won 2-0 | +181477 |
| 5sealed | 119 | Kovalcik, JR (1451) | Won 2-1 | +181495 |
| 6sealed | 163 | Chase, John (1676) | Lost 1-2 | -151480 |
| 7sealed | 189 | Cortez, Paulo Ricardo (1645) | Won 2-0 | +211501 |
| 8sealed | 73 | Manfield, Seth (1988) | Won 2-0 | +261527 |
| 9sealed | 53 | Whitehead, Austin (1598) | Lost 1-2 | -161511 |
| top | average opponent: 1606record: 6-3 | new rating: 1511 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 153 | Somers, Stu (1565) | Lost 1-2 | -161448 |
| 4modern | 426 | Begian, Joshua (1500) | Lost 0-2 | -171431 |
| 5modern | 504 | Li, Binghan (1558) | Won 2-1 | +201451 |
| 6modern | 325 | Cubr, Kevin (1627) | Lost 0-2 | -151436 |
| top | average opponent: 1563record: 1-3 | new rating: 1436 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 424 | Thatcher, Kevin (1500) | Won 2-0 | +181518 |
| 2sealed | 575 | Kucharczyk, Michael (1526) | Lost 0-2 | -181500 |
| 3sealed | 549 | Duprez, Dean (1502) | Lost 0-2 | -181482 |
| 4sealed | 705 | Hewes, Duncan (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1502record: 1-3 | new rating: 1464 | ||