Huizinga, Sander
Current rating: 1349
Record: 55-65-2
Grand Prix Lisbon 2012Grand Prix London 2013Grand Prix Gothenburg 2013Grand Prix Vienna 2013Grand Prix Vienna 2014Grand Prix Manchester 2014Grand Prix Utrecht 2014Grand Prix Utrecht 2015Grand Prix London 2015Grand Prix Lyon 2015Grand Prix Utrecht 2017Grand Prix Amsterdam 2017Grand Prix Metz 2017Grand Prix London 2018Grand Prix Utrecht 2019
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1367 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 637 | Coombe, Phillip (1478) | Lost 1-2 | -161351 |
| 2sealed | 706 | Lipski, Radoslaw (1446) | Won 2-0 | +191370 |
| 3sealed | 574 | Garuglieri, Simone (1494) | Lost 1-2 | -151355 |
| 4sealed | 627 | Wiederkehr, Jelena (1487) | Won 2-0 | +201375 |
| 5sealed | 519 | Jansen, Ralf (1592) | Lost 1-2 | -141361 |
| 6sealed | 478 | Reimche, Wadim (1704) | Lost 0-2 | -121349 |
| top | average opponent: 1533record: 2-4 | new rating: 1349 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Bentinck, Will (1394) | Lost 0-2 | -201459 |
| 2sealed | 695 | Verheul, Olivier (1413) | Lost 0-2 | -181441 |
| 3sealed | 838 | Skipper, Simon (1401) | Won 2-1 | +171458 |
| 4sealed | 709 | Hughes, Dominic (1480) | Lost 0-2 | -181440 |
| 5sealed | 845 | Franks-Moore, Edward (1459) | Lost 1-2 | -171423 |
| 6sealed | 748 | Beutler, Daniel (1350) | Lost 0-2 | -201403 |
| 7sealed | 650 | Skuse, Thomas (1317) | Lost 1-2 | -191384 |
| 8sealed | 549 | Ahn, Ei Yong (1437) | Lost 1-2 | -171367 |
| top | average opponent: 1407record: 1-7 | new rating: 1367 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Albert, Cyril (1472) | Won 2-0 | +181505 |
| 2sealed | 149 | Hendrickx, Tim (1543) | Won 2-1 | +191524 |
| 3sealed | 279 | Zidek, Arnost (1704) | Lost 0-2 | -151509 |
| 4sealed | 309 | Romahn, Niklas (1628) | Lost 1-2 | -161493 |
| 5sealed | 384 | Francois, Nathanael (1612) | Won 2-0 | +201513 |
| 6sealed | 408 | Caillaba, Germain (1604) | Lost 0-2 | -161497 |
| 7sealed | 342 | Schoots, Isha (1505) | Lost 1-2 | -181479 |
| 8sealed | 433 | Larcher, Jonathan (1450) | Won 2-1 | +171496 |
| 9sealed | 399 | Zaslawski, Nicolas (1521) | Lost 0-2 | -171479 |
| top | average opponent: 1560record: 4-5 | new rating: 1479 | ||
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | Goudriaan, Tim (1500) | Lost 0-2 | -181491 |
| 2standard | 341 | Charlet, Thomas (1394) | Lost 1-2 | -201471 |
| 3standard | 552 | Nikov, Kaloyan (1464) | Won 2-1 | +181489 |
| 4standard | 507 | Versolato, Riccardo (1482) | Won 2-0 | +181507 |
| 5standard | 393 | Rosport, Johannes (1507) | Lost 1-2 | -181489 |
| 6standard | 467 | Gonzalez Romero, David (1670) | Lost 0-2 | -151474 |
| 7standard | 416 | Ionov, Andrei (1413) | Lost 0-2 | -191455 |
| 8standard | 372 | Munsch, Jan (1335) | Won 2-1 | +161471 |
| 9standard | 307 | Van Deursen, Julia (1395) | Won 2-0 | +161487 |
| top | average opponent: 1462record: 4-5 | new rating: 1487 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 188 | Guluk, Ayk (1500) | Lost 0-2 | -181507 |
| 2standard | 299 | Van Hauwermeiren, Niels (1444) | Won 2-0 | +171524 |
| 3standard | 389 | Janda, Kristian (1818) | Lost 0-2 | -131511 |
| 4standard | 542 | Krall, Stefan (1661) | Lost 1-2 | -151496 |
| 5standard | 536 | Story, Sidney (1284) | Won 2-1 | +141510 |
| 6standard | 498 | Plucinski, Karol (1480) | Won 2-0 | +171527 |
| 7standard | 439 | Schnell, Philipp (1592) | Lost 1-2 | -171510 |
| 8standard | 395 | Graf, Michael (1552) | Lost 1-2 | -171493 |
| 9standard | 400 | van Brussel, Mark (1363) | Won 2-0 | +161509 |
| top | average opponent: 1522record: 4-5 | new rating: 1509 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 682 | TARANTINI, YOANN (1500) | Won 2-0 | +171569 |
| 2sealed | 357 | Graf, Michael (1454) | Lost 0-2 | -201549 |
| 3sealed | 728 | Oesch, Dominique (1503) | Lost 1-2 | -191530 |
| 4sealed | 637 | Pavesi, Vittorio (1483) | Won 2-0 | +171547 |
| 5sealed | 644 | Rebillard, Gwendal (1500) | Lost 0-2 | -191528 |
| 6sealed | 563 | Morlet, Alexandre (1428) | Won 2-0 | +161544 |
| 7sealed | 447 | Wickham, Charles (1536) | Lost 1-2 | -181526 |
| 8sealed | 374 | Paricio Perez, Adria (1523) | Lost 0-0 | -181508 |
| 9sealed | 314 | Ganter, Ingo (1461) | Won 2-1 | +171525 |
| top | average opponent: 1487record: 4-5 | new rating: 1525 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Baister, Mark (1616) | Lost 0-2 | -171542 |
| 2standard | 380 | Millins, Joel (1481) | Draw 1-1 | -11541 |
| 3standard | 467 | Harlow, Joshua (1481) | Lost 0-2 | -191522 |
| 4standard | 507 | Dunkley, Sam (1518) | Lost 0-2 | -181504 |
| 5standard | 476 | Djordjevitch, Andrej J (1444) | Won 2-1 | +161520 |
| 6standard | 386 | Pearce, Sammie (1479) | Won 2-0 | +181538 |
| 7standard | 305 | Newman, Stephen (1482) | Won 2-1 | +171555 |
| 8standard | 235 | Holm, Andreas (1506) | Lost 0-2 | -191536 |
| 9standard | 214 | Banyard, Banjo (1418) | Won 2-1 | +161552 |
| top | average opponent: 1492record: 4-4-1 | new rating: 1552 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1127 | Corenstein, Fernando (1507) | Lost 0-2 | -181463 |
| 2sealed | 1364 | Vande Berghe, Marijn (1397) | Won 2-0 | +171480 |
| 3sealed | 1275 | Kagawa, Mido (1838) | Lost 0-2 | -121468 |
| 4sealed | 1388 | Kolbl, Simon (1479) | Won 2-0 | +181486 |
| 5sealed | 1327 | Guenter, Tim (1393) | Won 2-0 | +171503 |
| 6sealed | 1192 | Guglielmini, Enrico (1607) | Won 2-1 | +201523 |
| 7sealed | 1143 | Ogier, Marcus (1512) | Won 2-1 | +171540 |
| 8sealed | 1102 | Williams, Daniel (1481) | Won 2-1 | +171557 |
| 9sealed | 1054 | De Angelis, Luca (1592) | Won 2-0 | +191576 |
| 10draft | 1089 | Noordzij, Wouter (1618) | Lost 0-2 | -171559 |
| top | average opponent: 1542record: 7-3 | new rating: 1559 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 332 | Hirschhauser, Andre (1533) | Lost 0-2 | -181538 |
| 3standard | 355 | Tocher, Joe (1499) | Won 2-1 | +171555 |
| 4standard | 265 | Vila, Ferran (1698) | Lost 1-2 | -151540 |
| 5standard | 401 | Kwebeman, Erik-sander (1545) | Lost 0-2 | -181522 |
| 6standard | 508 | van Zwol, Jan (1444) | Lost 1-2 | -191503 |
| 7standard | 475 | Graham, Alan (1403) | Won 2-1 | +161519 |
| 8standard | 378 | Bousfield, Callum (1474) | Lost 1-2 | -191500 |
| 9standard | 364 | Otten, Martin (1433) | Lost 1-2 | -191481 |
| top | average opponent: 1503record: 2-6 | new rating: 1481 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 442 | Bose, Timur (1330) | Draw 1-1 | -21484 |
| 2block | 347 | Smith, Gareth (1500) | Lost 0-2 | -181466 |
| 3block | 86 | Tzouriadis, Iason (1458) | Won 2-0 | +181484 |
| 4block | 421 | Poole, Mathew (1500) | Won 2-1 | +181502 |
| 5block | 285 | Evans, Alun (1514) | Lost 1-2 | -181484 |
| 6block | 42 | Pike, Michael (1498) | Won 2-0 | +191503 |
| 7block | 282 | Best, Jahnu (1518) | Won 2-0 | +181521 |
| 8block | 190 | Staton, Sam (1485) | Won 2-1 | +171538 |
| 9block | 173 | Lailey, Mark (1550) | Won 2-1 | +181556 |
| top | average opponent: 1484record: 6-2-1 | new rating: 1556 | ||
| Grand Prix Vienna 2014 (BNG limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 172 | Hagyarossy, Dani (1500) | Won 2-0 | +181472 |
| 2sealed | 2 | Schmalfeld, Thomas (1471) | Won 2-0 | +181490 |
| 3sealed | 118 | Steurer, Matthaus (1579) | Lost 0-2 | -161474 |
| 4sealed | 143 | Eckl, Christoph (1608) | Lost 1-2 | -161458 |
| 5sealed | 182 | Leber, Denis (1407) | Won 2-0 | +181476 |
| 6sealed | 314 | Pejhovsky, Lubos (1825) | Won 2-1 | +241500 |
| 7sealed | 139 | Strobl, Manuel (1459) | Lost 0-2 | -191481 |
| 8sealed | 275 | Novak, Daniel (1536) | Won 2-0 | +191500 |
| 9sealed | 175 | Fritz Kunc, Ziga (1755) | Lost 1-2 | -141486 |
| top | average opponent: 1571record: 5-4 | new rating: 1486 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 216 | Kjellberg, Magnus (1529) | Lost 1-2 | -161449 |
| 2standard | 407 | Prochazka, Lukas (1482) | Lost 0-2 | -181431 |
| 3standard | 637 | Gruia, David (1646) | Won 2-0 | +221453 |
| 4standard | 663 | Radomski, Wojciech (1481) | Won 2-0 | +191472 |
| 5standard | 528 | Paskov, Dobrin (1471) | Lost 1-2 | -181454 |
| top | average opponent: 1522record: 2-3 | new rating: 1454 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 217 | Roure, Olivier (1483) | Lost 0-2 | -181484 |
| 2sealed | 375 | Lundberg, Robin (1468) | Lost 1-2 | -181466 |
| 3sealed | 439 | Cook, George W (1464) | Won 2-0 | +181484 |
| 4sealed | 437 | Rodenberg, Alexander (1481) | Lost 1-2 | -191465 |
| top | average opponent: 1474record: 1-3 | new rating: 1465 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | McGill, Matthew (1500) | Won 2-0 | +171539 |
| 2sealed | 51 | Marshall, Andrew (1518) | Lost 0-2 | -181521 |
| 3sealed | 681 | Karaglanis, George (1444) | Lost 1-2 | -201501 |
| 4sealed | 748 | Bouzioutis, Tino (1424) | Lost 1-2 | -191482 |
| 5sealed | 731 | Peter, Andrej (1558) | Lost 1-2 | -171465 |
| 6sealed | 726 | Keohane, Lawrence (1447) | Won 2-0 | +181483 |
| 7sealed | 612 | Hedman, Anders (1601) | Lost 1-2 | -161467 |
| 8sealed | 506 | Baldessari, Giovanni (1425) | Won 2-0 | +171484 |
| 9sealed | 391 | Lastad, Trond Age (1470) | Won 2-1 | +181502 |
| top | average opponent: 1487record: 4-5 | new rating: 1502 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 534 | Thorvaldsen, Kine (1409) | Won 2-0 | +161516 |
| 2sealed | 533 | Emidio, Sergio (1486) | Won 2-1 | +181534 |
| 3sealed | 536 | Gomez-Salas Ramirez, J (1566) | Won 2-0 | +181552 |
| 4sealed | 509 | Schultze, Max (1684) | Won 2-0 | +211573 |
| 5sealed | 532 | Dippon, Andreas (1553) | Lost 0-2 | -191554 |
| 6sealed | 594 | Michaletos, Dimitris (1538) | Lost 1-2 | -181536 |
| 7sealed | 639 | Helbig, Martin (1630) | Won 2-1 | +201556 |
| 8sealed | 562 | Busk, Kim (1592) | Lost 0-2 | -181538 |
| 9sealed | 697 | Merino Martinez, Ruben (1602) | Lost 0-2 | -161522 |
| top | average opponent: 1562record: 5-4 | new rating: 1522 | ||