Rosenthal, Jorn
Current rating: 1376
Record: 22-33-2
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1386 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Distel, Thierry (1489) | Won 1-0 | +191405 |
| 2sealed | 453 | De Vries, Floris (1501) | Lost 1-2 | -161389 |
| 3sealed | 531 | van der Schaft, Maarten (1488) | Lost 0-2 | -161373 |
| 4sealed | 574 | Van Der Leij, Jefri (1483) | Won 2-0 | +201393 |
| 5sealed | 496 | Henning, Robin (1435) | Lost 0-2 | -171376 |
| top | average opponent: 1479record: 2-3 | new rating: 1376 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 231 | Falkner, Achim (1447) | Lost 1-2 | -191439 |
| 2sealed | 529 | Dabrowski, Michal (1417) | Lost 1-2 | -181421 |
| 3sealed | 832 | Fischer, Mickey William (1416) | Lost 1-2 | -181403 |
| 4sealed | 910 | Burja, Zan (1442) | Lost 0-2 | -171386 |
| top | average opponent: 1430record: 0-4 | new rating: 1386 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 140 | Van Hoorn, Rene (1528) | Won 2-0 | +191478 |
| 4sealed | 7 | Szczypior, Kuba (1670) | Lost 0-2 | -141464 |
| 5sealed | 259 | Boudewijn, Bart (1573) | Lost 0-2 | -161448 |
| 6sealed | 305 | McGhin, Kieran (1494) | Lost 0-2 | -171431 |
| 7sealed | 314 | Rosada, Adrian (1712) | Lost 0-2 | -131418 |
| 8sealed | 248 | Weber, Michael (1575) | Won 2-1 | +201438 |
| 9sealed | 193 | Van Driel, Xem (1505) | Won 2-1 | +201458 |
| top | average opponent: 1579record: 3-4 | new rating: 1458 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 166 | Huber, Christoph (1797) | Won 2-0 | +241446 |
| 2sealed | 50 | Leppanen, Martti (1535) | Lost 1-2 | -161430 |
| 3sealed | 379 | Aukenthaler, Christoph (1703) | Won 2-0 | +231453 |
| 4sealed | 295 | Fichte, Christian (1525) | Lost 0-2 | -171436 |
| 5sealed | 234 | Villard, Axel (1573) | Lost 1-2 | -151421 |
| 6sealed | 313 | Franek, Guillaume (1559) | Won 2-1 | +201441 |
| 7sealed | 254 | Jung, Carsten (1553) | Won 2-0 | +201461 |
| 8sealed | 165 | Schubert, Mario (1429) | Lost 0-2 | -181443 |
| 9sealed | 156 | Vandermaelen, Yves (1351) | Won 2-1 | +161459 |
| top | average opponent: 1558record: 5-4 | new rating: 1459 | ||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Tomici, Sergio (1577) | Lost 0-2 | -161474 |
| 2sealed | 409 | Orefice, Emanuele (1480) | Won 2-1 | +181492 |
| 3sealed | 333 | Brzozowski, Adam (1533) | Won 2-0 | +191511 |
| 4sealed | 214 | Biaggi, Andrea (1399) | Lost 0-2 | -201491 |
| 5sealed | 347 | Leskovsek, Svarun (1586) | Lost 0-2 | -171474 |
| 6sealed | 204 | Garner, Mike (1494) | Lost 0-2 | -171457 |
| 7sealed | 332 | Bertin, Oscar (1419) | Lost 0-2 | -191438 |
| 8sealed | 285 | Hjembaek, Jesper (1545) | Lost 0-2 | -161422 |
| top | average opponent: 1504record: 2-6 | new rating: 1422 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 27 | Holm, Fredrik (1612) | Won 2-0 | +201521 |
| 5sealed | 19 | Soloviev, Valentin (1522) | Lost 1-2 | -181503 |
| 6sealed | 58 | Curia, Francesco (1590) | Lost 1-2 | -171486 |
| 7sealed | 91 | Gilis, Lucas (1653) | Lost 0-2 | -151471 |
| 8sealed | 78 | Malmstrom, Jacob (1520) | Won 2-1 | +191490 |
| 9sealed | 67 | Barbier, Arnaud (1477) | Draw 1-1 | 01490 |
| top | average opponent: 1562record: 2-3-1 | new rating: 1490 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | Davies, Stephen (1500) | Lost 1-2 | -171412 |
| 2sealed | 151 | Noott, James (1503) | Won 2-0 | +201432 |
| 3sealed | 167 | Ashall, James (1501) | Won 2-1 | +191451 |
| 4sealed | 143 | Payne, Rikki (1509) | Lost 1-2 | -171434 |
| 5sealed | 187 | Pettifer, Philip (1628) | Won 2-0 | +221456 |
| 6sealed | 152 | Poinsignon, Pierre (1510) | Won 2-0 | +191475 |
| 7sealed | 74 | Pichon, Elie (1820) | Won 2-0 | +241499 |
| 8sealed | 38 | Love, James (1571) | Won 2-1 | +191518 |
| 9sealed | 35 | Abbas, Ashraf (1566) | Lost 0-2 | -171501 |
| top | average opponent: 1568record: 6-3 | new rating: 1501 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 711 | Huttenhain, Jesko (1555) | Lost 1-2 | -171483 |
| 2legacy | 914 | Nicolayev, Roman A (1482) | Draw 1-1 | 01483 |
| 3legacy | 928 | Laurent, Fabien (1481) | Lost 0-2 | -181465 |
| 4legacy | 1031 | de Bruijn, Nicole (1460) | Lost 1-2 | -181447 |
| 5legacy | 1011 | Hulshoff, Pieter (1443) | Won 2-1 | +181465 |
| 6legacy | 961 | Caballero, Juli (1443) | Lost 1-2 | -191446 |
| 7legacy | 916 | Maron, Alf (1455) | Lost 0-2 | -171429 |
| 8legacy | 857 | Tang, Chi Foe (1425) | Won 2-0 | +171446 |
| 9legacy | 803 | Ginter, Markus (1468) | Lost 1-2 | -171429 |
| top | average opponent: 1468record: 2-6-1 | new rating: 1429 | ||