Rossmark, Bart
Current rating: 1749 (#3923)
Record: 42-28
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1739 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 317 | Lambregts, Joost (1561) | Won 2-0 | +141753 |
| 2sealed | 373 | Rantanen, Teemu (1549) | Won 2-0 | +151768 |
| 3sealed | 130 | Payen, Jeremy (1662) | Lost 1-2 | -201748 |
| 4sealed | 443 | Chemnitz, Robin (1588) | Won 2-1 | +151763 |
| 5sealed | 250 | Huepper, Florian (1579) | Won 2-1 | +151778 |
| 6sealed | 155 | Okic, Amir (1587) | Lost 0-2 | -221756 |
| 7sealed | 254 | Zengos Nieviantomski, Theodoros (1521) | Won 2-0 | +141770 |
| 8sealed | 200 | Xylander, Alexander (1616) | Lost 0-2 | -211749 |
| top | average opponent: 1583record: 5-3 | new rating: 1749 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Delas, Michel (1290) | Won 2-0 | +131618 |
| 2sealed | 371 | Hulot, Florian (1426) | Won 2-1 | +141632 |
| 3sealed | 55 | van den Oever, Roy (1601) | Won 2-1 | +181650 |
| 4sealed | 181 | Kalberer, Simon (1416) | Won 2-0 | +131663 |
| 5sealed | 48 | Garotin, Alexis (1572) | Won 2-1 | +171680 |
| 6sealed | 27 | Juza, Martin (2014) | Lost 1-2 | -121668 |
| 7sealed | 103 | Reiter, Vincent (1710) | Won 2-1 | +181686 |
| 8sealed | 19 | Twist, Lukas (1827) | Won 2-0 | +211707 |
| 9sealed | 23 | Graells, Dany (1611) | Won 2-0 | +161723 |
| 10draft | 43 | Leroy, Yannick (1821) | Lost 0-2 | -161707 |
| 11draft | 43 | Kenyeres, Akos (1819) | Won 2-0 | +201727 |
| 12draft | 43 | Brendemuhl, Bernd (1748) | Won 2-0 | +181745 |
| 13draft | 41 | Jalaksa, Filip (1927) | Lost 1-2 | -141731 |
| 14draft | 126 | Grafensteiner, Tobias (2067) | Won 2-0 | +231754 |
| 15draft | 108 | Trauer, Pierre (1869) | Lost 0-2 | -151739 |
| top | average opponent: 1714record: 11-4 | new rating: 1739 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Kerner, Simon (1498) | Won 2-0 | +171572 |
| 2sealed | 185 | Oliveros, Carlos (1729) | Won 2-1 | +211593 |
| 3sealed | 119 | Raab, Tobias (1628) | Won 2-0 | +191612 |
| 4sealed | 25 | Schiano Di Scioarro, Vincenzo (1617) | Lost 0-2 | -181594 |
| 5sealed | 157 | Hoang, Nhu (1533) | Lost 0-2 | -191575 |
| 6sealed | 300 | Johns, Gunnar (1446) | Won 2-0 | +151590 |
| 7sealed | 173 | Marczak, Marcin (1551) | Won 2-0 | +181608 |
| 8sealed | 109 | Rempel, Peter (1410) | Won 2-0 | +141622 |
| 9sealed | 163 | Suhih, Alexey (1539) | Won 2-0 | +171639 |
| 10draft | 311 | Gomez Galvan, Carlos (1680) | Lost 1-2 | -181621 |
| 11draft | 301 | Toraille, Loic (1610) | Lost 0-2 | -181603 |
| 12draft | 224 | Malm, Janne (1596) | Lost 1-2 | -181585 |
| 13draft | 307 | Forsstrom, Henrik (1469) | Won 2-0 | +161601 |
| 14draft | 324 | Kreuz, Alexander (1838) | Lost 1-2 | -141587 |
| 15draft | 353 | Benias, Nikolas (1585) | Won 2-0 | +181605 |
| top | average opponent: 1582record: 9-6 | new rating: 1605 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Dolata, Maciej (1636) | Won 2-1 | +191565 |
| 2sealed | 335 | Marsal, Basile (1574) | Lost 1-2 | -181547 |
| 3sealed | 574 | Coates, Richard (1573) | Won 2-1 | +191566 |
| 4sealed | 560 | Tchorz, Wojciech (1510) | Won 2-0 | +171583 |
| 5sealed | 251 | Larsson, Jonatan (1628) | Lost 0-2 | -171566 |
| 6sealed | 393 | Law, Tom (1798) | Won 2-1 | +221588 |
| 7sealed | 413 | Schmittbuettner, Markus (1621) | Lost 0-2 | -181570 |
| 8sealed | 340 | Goldbaum, Nils-Uwe (1727) | Lost 0-2 | -151555 |
| top | average opponent: 1633record: 4-4 | new rating: 1555 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Tyrvainen, Marko (1612) | Won 2-0 | +191586 |
| 2sealed | 270 | Heino, Erkki (1476) | Lost 1-2 | -201566 |
| 3sealed | 473 | de Groof, Stein (1550) | Lost 0-2 | -191547 |
| 4sealed | 527 | Julin, Eve (1485) | Won 2-0 | +171564 |
| 5sealed | 325 | Stiefler, Harald (1535) | Lost 1-2 | -181546 |
| top | average opponent: 1532record: 2-3 | new rating: 1546 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Alickovic, Emir (1393) | Won 2-1 | +151531 |
| 2sealed | 242 | Perdrix, Olivier (1518) | Won 2-1 | +181549 |
| 3sealed | 79 | Lacan, Eric (1576) | Won 2-0 | +191568 |
| 4sealed | 149 | Carballo Martinez, Daniel (1517) | Won 2-0 | +171585 |
| 5sealed | 39 | Dambron, Antoine (1637) | Lost 0-2 | -171568 |
| 6sealed | 209 | Devillers, Pierre (1509) | Won 2-1 | +171585 |
| 7sealed | 101 | Bornoz, Tristan (1576) | Lost 0-2 | -191566 |
| 8sealed | 139 | Perez, Ruben (1870) | Won 0-0 | +241590 |
| 9sealed | 91 | Requier, Sebastien (1582) | Won 2-0 | +181608 |
| 10draft | 516 | Sommen, Pierre (2049) | Lost 1-2 | -111597 |
| 11draft | 552 | Posolda, Ondrej (1779) | Lost 0-2 | -141583 |
| 12draft | 553 | Schwarz, Stephan (1704) | Lost 0-0 | -161567 |
| top | average opponent: 1642record: 7-5 | new rating: 1567 | ||
| Grand Prix Melbourne 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 265 | Huang, Peter (1613) | Lost 1-2 | -161484 |
| 2standard | 322 | Lennon, Scott (1402) | Won 2-0 | +171501 |
| 3standard | 240 | White, Jim (1420) | Won 2-0 | +161517 |
| 4standard | 145 | Mullens, Liam (1501) | Won 2-1 | +181535 |
| 5standard | 148 | Cascon, Ezekiel (1398) | Lost 0-2 | -211514 |
| 6standard | 216 | Rabin, Gabriel (1624) | Won 2-0 | +201534 |
| 7standard | 82 | Xie, Ammy (1500) | Lost 1-2 | -181516 |
| top | average opponent: 1494record: 4-3 | new rating: 1516 | ||