Roofthooft, Nik
Current rating: 1351
Record: 10-20-1
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 538 | Schenkelaars, Bauke (1500) | Lost 0-2 | -171380 |
| 2sealed | 643 | Tumpach, Markus (1562) | Lost 1-2 | -141366 |
| 3sealed | 708 | Leussink, Eric (1462) | Lost 0-2 | -171349 |
| 4sealed | 674 | Plaschke, Kuwe (1416) | Draw 1-1 | +21351 |
| top | average opponent: 1485record: 0-3-1 | new rating: 1351 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1402 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2233 | Kuijs, John (1537) | Lost 1-2 | -161386 |
| 2sealed | 2306 | Nollen, Torben (1482) | Won 2-1 | +201406 |
| 3sealed | 2356 | Slokkers, Sebastiaan (1499) | Won 2-1 | +201426 |
| 4sealed | 2231 | Miller, John (1439) | Lost 0-2 | -181408 |
| 5sealed | 2321 | Singeling, Marcel (1495) | Won 2-1 | +201428 |
| 6sealed | 2251 | Palov, Velislav (1486) | Lost 1-2 | -171411 |
| 7sealed | 2220 | Wagensveld, Marieke (1506) | Lost 0-2 | -171394 |
| 8sealed | 2175 | Roberts, Katie (1447) | Won 2-0 | +191413 |
| 9sealed | 2131 | Marchesotti, Daniele (1479) | Lost 0-2 | -161397 |
| top | average opponent: 1486record: 4-5 | new rating: 1397 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 489 | Mills, James R (1480) | Won 2-1 | +191465 |
| 2standard | 345 | Visser, Jamie (1535) | Won 2-0 | +191484 |
| 3standard | 116 | Pavlov, Yassen (1566) | Won 2-1 | +191503 |
| 4standard | 44 | Wiederspan, Paul (1602) | Lost 0-2 | -161487 |
| 5standard | 168 | Strauss, Gary (1581) | Lost 1-2 | -161471 |
| 6standard | 367 | Bowen, Nathan D (1492) | Lost 1-2 | -181453 |
| 7standard | 341 | van Leent, Peter (1448) | Lost 1-2 | -181435 |
| 8standard | 374 | Boogaart, Danny (1542) | Lost 1-2 | -161419 |
| 9standard | 343 | van Doorn, Lorenzo (1462) | Lost 1-2 | -171402 |
| top | average opponent: 1523record: 3-6 | new rating: 1402 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 160 | Dickmann, Fabian (1785) | Lost 0-2 | -131487 |
| 2modern | 594 | De Mik, Michael (1484) | Won 2-0 | +181505 |
| 3modern | 561 | Valcke, Michiel (1426) | Lost 0-2 | -191486 |
| 4modern | 679 | De Schryver, Ernst (1388) | Lost 1-2 | -201466 |
| 5modern | 692 | Flipo, Matthieu (1547) | Lost 0-2 | -171449 |
| 6modern | 640 | [anonymous] | Lost 0-2 | -181431 |
| 7modern | 545 | Stoel, Martijn (1379) | Lost 1-2 | -191412 |
| 8modern | 479 | Matthieu, Ben (1292) | Won 2-0 | +161428 |
| 9modern | 386 | Hoogendijk, Quinten (1425) | Won 2-1 | +181446 |
| top | average opponent: 1464record: 3-6 | new rating: 1446 | ||