Heijselaar, Mischa
Current rating: 1591
Record: 17-15
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 609 | Paguio, Francis (1470) | Lost 0-2 | -181450 |
| 2sealed | 683 | Pettazzoni, Alessandro (1468) | Won 2-0 | +191469 |
| 3sealed | 581 | Bodson, Cedric (1595) | Won 2-0 | +201489 |
| 4sealed | 312 | Schnell, Philipp (1585) | Won 2-0 | +201509 |
| 5sealed | 120 | Sole Sala, Adria (1798) | Lost 1-2 | -131496 |
| 6sealed | 268 | van Heeswijk, Roel (1816) | Won 2-0 | +241520 |
| 7sealed | 176 | Body, John (1586) | Won 2-0 | +191539 |
| 8sealed | 123 | Spaziani, Virgilio (1655) | Won 2-0 | +201559 |
| 9sealed | 314 | Horl, Jonas (1709) | Won 2-1 | +211580 |
| 10draft | 101 | Richard, Jefferson (1652) | Lost 1-2 | -171563 |
| 11draft | 95 | Witt, Hannes (1766) | Won 2-1 | +221585 |
| 12draft | 51 | Lochert, Phillip (1652) | Won 2-1 | +191604 |
| 13draft | 119 | Susicki, Olaf (1506) | Lost 1-2 | -201584 |
| 14draft | 14 | Le Briand, Loic (1850) | Won 2-1 | +231607 |
| 15draft | 40 | Witteman, Thijs (1704) | Lost 0-2 | -161591 |
| top | average opponent: 1654record: 10-5 | new rating: 1591 | ||
| Grand Prix Turin 2018 (M19 limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 186 | Gavrilita, George (1561) | Won 2-0 | +191475 |
| 2sealed | 70 | Temple, Hugo (1517) | Lost 1-2 | -171458 |
| 3sealed | 306 | Picchi, Christian (1747) | Lost 0-2 | -131445 |
| 4sealed | 412 | Berger, Natalia (1602) | Won 2-1 | +211466 |
| 5sealed | 357 | Reinhardt, Felix (1550) | Won 2-0 | +201486 |
| 6sealed | 255 | Bonosa, Valerio (1527) | Lost 1-2 | -181468 |
| top | average opponent: 1584record: 3-3 | new rating: 1468 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Weir, Calum (1505) | Won 2-0 | +191480 |
| 2sealed | 157 | Balimoglu, Ari (1674) | Won 2-1 | +211501 |
| 3sealed | 79 | Mackay, Adam (1526) | Won 2-0 | +191520 |
| 4sealed | 86 | Gordon, Joshua (1544) | Lost 0-2 | -181502 |
| 5sealed | 228 | Berteaux, Julien (1750) | Lost 0-2 | -131489 |
| 6sealed | 297 | Mussen, Vic (1518) | Lost 1-2 | -181471 |
| 7sealed | 291 | Hayes, Bill (1598) | Lost 0-2 | -151456 |
| top | average opponent: 1588record: 3-4 | new rating: 1456 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 327 | Van Hal, Ben (1393) | Won 2-1 | +161516 |
| 2sealed | 48 | Hamet, Baptiste (1517) | Lost 0-2 | -181498 |
| 3sealed | 474 | Kenneweg, Philip (1500) | Lost 1-2 | -181480 |
| 4sealed | 508 | Temming, Jonathan (1423) | Lost 1-2 | -191461 |
| top | average opponent: 1458record: 1-3 | new rating: 1461 | ||