Wijsman, Gerwin
Current rating: 1819 (#1770)
Record: 84-53-5 (GP) / 2-5 (professional)
- 2006
- 2008
- 2009
- 2011
- 2013
- 2015
- 2018
- 2019
- 2020
| Players Tour Brussels 2020 (pioneer) | starting rating: 1898 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 5 | Rodrigues, Thiago (1878) | Lost 1-2 | -181880 |
| 2draft | 5 | Pispa, Lauri (1676) | Lost 0-2 | -221858 |
| 3draft | 5 | Kalaydzhiev, Emil (1597) | Won 2-1 | +131871 |
| 4pioneer | 165 | Wafo-Tapa, Guillaume (1951) | Lost 1-2 | -161855 |
| 5pioneer | 161 | Parazzoli, Dario (1542) | Lost 0-2 | -241831 |
| 6pioneer | 173 | Martelli, Simone (1482) | Lost 0-2 | -241807 |
| 8pioneer | 122 | D'Emmerez De Charmoy, Remi (1464) | Won 2-0 | +121819 |
| top | average opponent: 1656record: 2-5 | new rating: 1819 | ||
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1716 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 434 | Schmittbuettner, Bernd (1520) | Lost 1-2 | -211695 |
| 2sealed | 626 | Laranjeira, Ricardo (1663) | Won 2-1 | +171712 |
| 3sealed | 518 | Gillam, Catherine (1331) | Won 2-0 | +121724 |
| 4sealed | 409 | Luchkov, Nikita (1522) | Won 2-1 | +141738 |
| 5sealed | 137 | Edwards, Brendan (1679) | Won 2-0 | +171755 |
| 6sealed | 117 | Werkman, Pascal (1881) | Won 2-1 | +201775 |
| 7sealed | 73 | Hrycej, Martin (1953) | Won 2-1 | +211796 |
| 8sealed | 25 | Bihet, Julien (1727) | Draw 1-1 | -11795 |
| 9sealed | 238 | Brandstetter, Hannes (1705) | Won 2-1 | +171812 |
| 10draft | 7 | Van Eeghen, Elmer (1909) | Won 2-0 | +191831 |
| 11draft | 39 | Arndt, Georg (1870) | Won 2-0 | +191850 |
| 12draft | 124 | Malkoc, Gari (1586) | Won 2-0 | +131863 |
| 13draft | 102 | Drogemuller, Malte (1719) | Won 2-0 | +161879 |
| 14draft | 32 | Reiter, Vincent (1984) | Won 2-1 | +201899 |
| 15draft | 55 | Endle, Heiko (1746) | Won 2-1 | +151914 |
| Qdraft | Joachim, David (2031) | Lost 0-2 | -161898 | |
| top | average opponent: 1739record: 13-2-1 | new rating: 1898 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1802 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 99 | Schaub, Marco (1721) | Lost 1-2 | -201782 |
| A2sealed | 340 | Persson, Adam (1499) | Lost 0-2 | -231759 |
| B1sealed | 904 | Maw, Alexander (1469) | Won 2-0 | +131772 |
| B2sealed | 946 | Freeman, Ronald (1440) | Won 2-1 | +121784 |
| B3sealed | 891 | Mearini, Riccardo (1508) | Lost 1-2 | -231761 |
| B4sealed | 1011 | Hyttel, Lucas (1848) | Lost 1-2 | -161745 |
| C1sealed | 92 | Ingham, Joshua (1500) | Won 2-0 | +131758 |
| C2sealed | 128 | Derwort, Selmer (1666) | Lost 0-2 | -191739 |
| C3sealed | 300 | To, Luen (1501) | Lost 0-2 | -231716 |
| top | average opponent: 1572record: 3-6 | new rating: 1716 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1822 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 486 | Ford, Joseph (1319) | Lost 0-2 | -261796 |
| 2sealed | 672 | Olesen, Mikkel (1492) | Won 2-0 | +121808 |
| 3sealed | 682 | De Franco, Davide (1602) | Won 2-1 | +151823 |
| 4sealed | 622 | Brandt, Kenneth (2068) | Won 2-1 | +221845 |
| 5sealed | 310 | Payen, Jeremy (1727) | Lost 0-2 | -201825 |
| 6sealed | 363 | Weber, Robert (1526) | Lost 0-2 | -231802 |
| top | average opponent: 1623record: 3-3 | new rating: 1802 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1730 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Wise, Jacob (1540) | Won 2-1 | +151745 |
| 2sealed | 279 | Palmer, Ian (1516) | Draw 1-1 | -41741 |
| 3sealed | 332 | Michaud, Shawn (1518) | Won 2-1 | +141755 |
| 4sealed | 195 | Chadwell, Devyn (1535) | Won 2-1 | +141769 |
| 5sealed | 98 | Fisher, Joseph (1590) | Won 2-1 | +141783 |
| 6sealed | 47 | Noorlander, Mark (1475) | Draw 1-1 | -51778 |
| 7sealed | 134 | Moreno, Raine (1522) | Won 2-1 | +131791 |
| 8sealed | 80 | Padon, Logan (1573) | Won 2-1 | +141805 |
| 9sealed | 46 | Domocmat, Jeremy (1713) | Won 2-1 | +171822 |
| 10draft | 64 | Brubaker, Michael (1641) | Won 2-0 | +141836 |
| 11draft | 62 | van Ravenzwaaij, Don (2056) | Lost 0-2 | -141822 |
| 12draft | 70 | Hampton, Jesse (1876) | Won 2-1 | +191841 |
| 13draft | 6 | Billingslea, Blake (1628) | Lost 0-2 | -211820 |
| 14draft | 6 | van Ravenzwaaij, Don (2029) | Won 2-1 | +211841 |
| 15draft | 6 | Ramirez, Daniel (1775) | Lost 0-2 | -191822 |
| top | average opponent: 1666record: 10-3-2 | new rating: 1822 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1711 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1190 | Muller, Lorenz (1426) | Won 2-0 | +131724 |
| 3sealed | 1150 | Urset, Antoine (1712) | Lost 1-2 | -191705 |
| 4sealed | 1250 | Gorter, Charlie (1517) | Won 2-1 | +151720 |
| 5sealed | 1215 | Alveirinho, Joao (1868) | Won 2-0 | +211741 |
| 6sealed | 1125 | Huber, Felix-Juerg (1507) | Won 2-0 | +131754 |
| 7sealed | 1055 | Kaarls, Leonard (1603) | Lost 0-2 | -201734 |
| 8sealed | 1095 | Haferkorn, Stefan (1559) | Won 2-1 | +151749 |
| 9sealed | 1065 | Labate, Mauro (1718) | Lost 0-2 | -191730 |
| top | average opponent: 1614record: 5-3 | new rating: 1730 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1715 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 149 | Bader, Travis (1463) | Won 2-0 | +141729 |
| 4sealed | 110 | Mowrey, Austin (1513) | Lost 0-2 | -221707 |
| 5sealed | 237 | Tobey, Matt (1446) | Won 2-1 | +131720 |
| 6sealed | 150 | Martinez, Rick (1518) | Lost 1-2 | -211699 |
| 7sealed | 246 | Jones, Matt (1401) | Won 2-1 | +131712 |
| 8sealed | 233 | Froehlich, Eric (1928) | Won 2-0 | +211733 |
| 9sealed | 198 | Mayall, Courtney (1467) | Lost 1-2 | -221711 |
| top | average opponent: 1534record: 4-3 | new rating: 1711 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1753 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 309 | [anonymous] | Lost 1-2 | -221731 |
| 4sealed | 239 | Kerhat, Martin (1517) | Won 2-0 | +141745 |
| 5sealed | 312 | Innauer, Julius (1539) | Won 2-0 | +141759 |
| 6sealed | 85 | Pochard, Julien (1548) | Lost 0-2 | -211738 |
| 7sealed | 165 | Gerecke, Piet (1503) | Lost 0-2 | -231715 |
| top | average opponent: 1532record: 2-3 | new rating: 1715 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1683 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 141 | Edwards, Craig (1793) | Won 2-0 | +201703 |
| 3sealed | 64 | Jackson, Terrence (1485) | Won 2-0 | +141717 |
| 4sealed | 18 | Le, Dominic (1556) | Draw 1-1 | -31714 |
| 5sealed | 61 | Fisher, James D (1522) | Won 2-1 | +151729 |
| 6sealed | 31 | Ostrovich, Diego (1673) | Lost 0-2 | -191710 |
| 7sealed | 23 | Kim, Sung (1572) | Won 2-0 | +151725 |
| 8sealed | 50 | Melendez, Robert (1571) | Won 2-1 | +161741 |
| 9sealed | 28 | Aguilera, Ryder (1591) | Lost 1-2 | -211720 |
| 10draft | 59 | Krautmann, Wenzel (1844) | Lost 0-2 | -161704 |
| 11draft | 20 | Le, Dominic (1567) | Won 2-0 | +161720 |
| 12draft | 51 | Melendez, Robert (1573) | Won 2-1 | +151735 |
| 13draft | 43 | Dorsett, Zachariah (1640) | Won 2-1 | +161751 |
| 14draft | 58 | Larsson, Joel (1898) | Lost 0-2 | -151736 |
| 15draft | 38 | Smith, Carlos (1661) | Won 2-0 | +171753 |
| top | average opponent: 1639record: 9-4-1 | new rating: 1753 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1729 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 220 | Adams, Olaf (1615) | Won 2-0 | +161745 |
| 3sealed | 37 | Lundberg, Alexander (1589) | Lost 0-2 | -211724 |
| 4sealed | 207 | Christensson, Thommy (1665) | Lost 1-2 | -191705 |
| 5sealed | 262 | Myhrman, Felix (1507) | Lost 1-2 | -221683 |
| top | average opponent: 1594record: 1-3 | new rating: 1683 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 540 | Pack, Scott (1500) | Won 2-1 | +171580 |
| 2sealed | 364 | Rock, Douglas (1518) | Won 2-0 | +171597 |
| 3sealed | 216 | Mitchell, Josh (1579) | Won 2-1 | +181615 |
| 4sealed | 176 | Rabel, Joe (1541) | Won 2-0 | +161631 |
| 5sealed | 35 | Manfield, Seth (2040) | Won 2-0 | +251656 |
| 6sealed | 19 | Rike, Justin (1541) | Won 2-0 | +161672 |
| 7sealed | 17 | Derczo, Michael (1637) | Lost 1-2 | -181654 |
| 8sealed | 64 | Ben G., (1547) | Won 2-0 | +161670 |
| 9sealed | 36 | Nielson, Steven (1579) | Won 2-0 | +161686 |
| 10sealed | 319 | Kunkel, Jeremy (1668) | Lost 0-2 | -181668 |
| 11draft | 25 | Flores, Edgar (1755) | Won 2-0 | +191687 |
| 12draft | 44 | Victory, Robert (1883) | Won 2-1 | +221709 |
| 13draft | 7 | Manfield, Seth (2061) | Lost 1-2 | -121697 |
| 14draft | 65 | Nelson, Brad (2045) | Won 2-0 | +241721 |
| 15draft | 29 | Corvese, Harry (1985) | Lost 0-2 | -131708 |
| 16draft | 37 | Victory, Robert (1877) | Won 2-0 | +211729 |
| top | average opponent: 1735record: 12-4 | new rating: 1729 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 206 | Woody, Jacob Micah (1500) | Won 2-0 | +181527 |
| 2sealed | 318 | Selivorstov, Nikita (1604) | Lost 0-2 | -171510 |
| 3sealed | 225 | Martin, Paul (1530) | Won 2-0 | +191529 |
| 4sealed | 316 | Welzbacher, Jordan (1591) | Won 2-0 | +191548 |
| 5sealed | 141 | Chesterman, Julian (1474) | Won 2-0 | +171565 |
| 6sealed | 122 | Debrosky, Eric (1539) | Lost 1-2 | -191546 |
| 7sealed | 188 | Cooney, James (1570) | Won 2-0 | +191565 |
| 8sealed | 68 | Bendall, Abeed (1500) | Lost 1-2 | -201545 |
| 9sealed | 151 | Roe, Bryan J (1533) | Won 2-0 | +181563 |
| top | average opponent: 1538record: 6-3 | new rating: 1563 | ||
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Nelson, Brock T (1555) | Won 2-0 | +191547 |
| 2sealed | 167 | Hawleg, Keegan S (1500) | Lost 0-2 | -191528 |
| 3sealed | 202 | Danielson, Steven (1487) | Lost 0-2 | -191509 |
| top | average opponent: 1514record: 1-2 | new rating: 1509 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 622 | Kogler, Stefan (1509) | Lost 0-2 | -181493 |
| 2sealed | 737 | Horvath, Jozef (1482) | Won 2-0 | +181511 |
| 3sealed | 635 | Stecher, Daniel (1534) | Lost 0-2 | -181493 |
| 4sealed | 758 | Bordac, Lukas (1481) | Won 2-1 | +181511 |
| 5sealed | 647 | Brazdil, Jiri (1498) | Won 2-0 | +181529 |
| 6sealed | 628 | Steybe, Felix (1502) | Won 2-0 | +181547 |
| 7sealed | 578 | Selikhov, Sergii (1534) | Lost 0-2 | -191528 |
| top | average opponent: 1506record: 4-3 | new rating: 1528 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 421 | Vesely, Tomas (1464) | Won 2-0 | +171500 |
| 2sealed | 471 | Buchner, Mario (1516) | Won 2-1 | +191519 |
| 3sealed | 462 | van den Brink, Peter (1656) | Lost 1-2 | -161503 |
| 4sealed | 509 | Koster, Olaf (1667) | Won 2-1 | +211524 |
| 5sealed | 444 | Marciniszyn, Michal (1656) | Lost 0-2 | -161508 |
| 6sealed | 504 | Bungard, Oliver (1646) | Won 2-0 | +211529 |
| 7sealed | 523 | Lenstra, Marc-Jan (1548) | Lost 1-2 | -181511 |
| top | average opponent: 1593record: 4-3 | new rating: 1511 | ||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Seibold, Christian (1615) | Lost 1-2 | -161481 |
| 2sealed | 231 | Guit, Laurent (1538) | Won 2-1 | +191500 |
| 3sealed | 176 | Dominguez, Alex (1545) | Lost 1-2 | -171483 |
| top | average opponent: 1566record: 1-2 | new rating: 1483 | ||
| Grand Prix Turin 2006 (DIS limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Pellgrini, Giacomo (1500) | Lost 0-2 | -191518 |
| 2sealed | 254 | Apicella, Alessandro (1482) | Lost 0-2 | -191499 |
| 3sealed | 280 | Nucera, Antonino (1394) | Won 2-1 | +161515 |
| 4sealed | 223 | fisanotti, battista (1480) | Lost 0-2 | -181497 |
| top | average opponent: 1464record: 1-3 | new rating: 1497 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 180 | Goossens, Ringo (1500) | Draw 1-1 | 01500 |
| 2sealed | 137 | Van Der Gaag, Jordy (1482) | Lost 1-2 | -181482 |
| 3sealed | 189 | Dewaele, Dirk (1482) | Won 2-0 | +181500 |
| 4sealed | 158 | Vanderheyden, David (1473) | Won 2-1 | +171517 |
| 5sealed | 108 | Goldbaum, Nils-Uwe (1686) | Lost 0-2 | -151502 |
| 6sealed | 132 | Mori, Manuel (1409) | Won 2-0 | +171519 |
| 7sealed | 102 | Peron, Stephane (1514) | Won 2-0 | +171536 |
| 8sealed | 69 | Liberloo, Philip (1543) | Won 2-0 | +191555 |
| 9sealed | 50 | Benzarti, Jonas (1551) | Lost 0-0 | -181537 |
| top | average opponent: 1516record: 5-3-1 | new rating: 1537 | ||