van der Schaft, Maarten
Current rating: 1448
Record: 20-25-2
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 425 | Alsabah, Mohammad (1596) | Lost 1-2 | -161466 |
| 2pioneer | 430 | Cisse, Cameron (1457) | Lost 0-2 | -181448 |
| top | average opponent: 1527record: 0-2 | new rating: 1448 | ||
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 387 | Bonzom, Serge Guy (1457) | Won 2-0 | +181501 |
| 2sealed | 509 | Urban, Stefan (1808) | Lost 1-2 | -131488 |
| 3sealed | 531 | Rosenthal, Jorn (1389) | Won 2-0 | +161504 |
| 4sealed | 363 | Kroger, Jana Katherina (1246) | Lost 1-2 | -221482 |
| top | average opponent: 1475record: 2-2 | new rating: 1482 | ||
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Hanen, Jacob (1500) | Won 2-0 | +181488 |
| 2sealed | 221 | Rydningen, Jan Erik (1499) | Lost 1-2 | -171471 |
| 3sealed | 322 | Cedercrantz, Johan (1613) | Lost 1-2 | -161455 |
| 4sealed | 533 | Zeitler, Daniel (1469) | Won 2-1 | +181473 |
| 5sealed | 471 | Martineau, Jerome (1671) | Won 2-1 | +221495 |
| 6sealed | 235 | Kopfli, Flavio (1857) | Lost 0-2 | -121483 |
| top | average opponent: 1602record: 3-3 | new rating: 1483 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 220 | Petric Maretic, Grgur (1691) | Lost 0-2 | -141491 |
| 4sealed | 493 | Roth, Patrick (1342) | Lost 0-2 | -211470 |
| top | average opponent: 1517record: 0-2 | new rating: 1470 | ||
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 180 | Van der Gucht, Robbert (1568) | Lost 0-2 | -171503 |
| 2standard | 357 | Albertsen, Mark (1530) | Won 2-1 | +191522 |
| 3standard | 364 | Borgel, Nicolas (1627) | Won 2-1 | +191541 |
| 4standard | 244 | Arevalo, David (1443) | Lost 0-2 | -191522 |
| 5standard | 324 | Sending, Valemon (1605) | Lost 1-2 | -171505 |
| top | average opponent: 1554record: 2-3 | new rating: 1505 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 137 | Steiner, Stefan (1790) | Lost 0-2 | -131545 |
| 2standard | 329 | Groos, Chris-Jan (1484) | Won 2-0 | +161561 |
| 3standard | 370 | Lombardy, Ray (1442) | Lost 0-2 | -201541 |
| 4standard | 463 | Jelinek, Jan (1371) | Lost 0-2 | -211520 |
| top | average opponent: 1522record: 1-3 | new rating: 1520 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 192 | Gammaitoni, Eli (1721) | Lost 0-2 | -141477 |
| 4sealed | 508 | Cunnington, Sam (1515) | Won 2-0 | +191496 |
| 5sealed | 237 | De Smet, Anton (1415) | Won 2-1 | +161512 |
| 6sealed | 287 | Kneeshaw, Louis (1511) | Lost 1-2 | -181494 |
| 7sealed | 285 | Lazarides, Nicolas (1591) | Lost 0-2 | -161478 |
| 8sealed | 543 | Oillic, Pierre-Emmanuel (1497) | Won 2-0 | +181496 |
| 9sealed | 377 | Bleeker, Martijn (1660) | Won 2-1 | +211517 |
| 10draft | 337 | Taylor, Nicholas (1639) | Won 2-0 | +211538 |
| 11draft | 306 | Reid, Pj (1582) | Won 2-1 | +181556 |
| 12draft | 253 | Forsyth, Nathaniel (1517) | Won 2-1 | +181574 |
| 13draft | 25 | Wong, Kuo (1673) | Won 2-0 | +191593 |
| 14draft | 24 | Escosa, John (1646) | Lost 1-2 | -171576 |
| 15draft | 17 | Ellerby, David (1575) | Lost 1-2 | -181558 |
| top | average opponent: 1580record: 8-5 | new rating: 1558 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1241 | Zwaan, Jesse (1595) | Draw 1-1 | +21505 |
| 2sealed | 1275 | Joens, Klaus (1728) | Lost 0-2 | -141491 |
| top | average opponent: 1661record: 0-1-1 | new rating: 1491 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 336 | Klarovskis, Jan (1500) | Won 2-0 | +181541 |
| 2extended | 27 | Thomsen, Sascha (1478) | Lost 0-2 | -191522 |
| 3extended | 347 | Driessen, Thomas (1503) | Lost 0-2 | -191503 |
| top | average opponent: 1494record: 1-2 | new rating: 1503 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Sikkes, Bart (1500) | Won 2-1 | +181518 |
| 2sealed | 51 | Westra, Remco (1500) | Won 2-0 | +181536 |
| 3sealed | 56 | Snepvangers, Bram (1713) | Lost 1-2 | -151521 |
| 4sealed | 183 | Derwort, Selmer (1517) | Draw 1-1 | 01521 |
| 5sealed | 142 | Rabhi, Fabrice (1656) | Won 2-1 | +201541 |
| 6sealed | 84 | Stettler, Sandro (1537) | Lost 0-2 | -181523 |
| top | average opponent: 1571record: 3-2-1 | new rating: 1523 | ||