Rosen, Sascha
Current rating: 1474
Record: 44-55
| Grand Prix Lyon 2018 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 129 | Ferretti, Luca (1562) | Won 2-0 | +201489 |
| 2modern | 365 | Di Pancrazio, Marc (1434) | Lost 1-2 | -191470 |
| 3modern | 834 | Adjaout, Samy (1483) | Lost 0-2 | -181452 |
| 4modern | 791 | Schmidhuber, Markus (1460) | Won 2-1 | +181470 |
| 5modern | 498 | Dolmatov, Dmitry (1611) | Won 2-0 | +211491 |
| 6modern | 505 | Lenormand, Nicolas (1504) | Lost 0-2 | -181473 |
| 7modern | 642 | Ibouanga, Philippe (1501) | Lost 1-2 | -181455 |
| 8modern | 625 | Van Zanten, Bas (1480) | Won 2-0 | +191474 |
| top | average opponent: 1504record: 4-4 | new rating: 1474 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 164 | Konig, Vincent (1526) | Won 2-1 | +191490 |
| 2sealed | 417 | Burgmann, Martin (1470) | Won 2-0 | +171507 |
| 3sealed | 422 | Vieren, Peter (1931) | Lost 0-2 | -101497 |
| 4sealed | 356 | Schultz, David [DEU] (1527) | Lost 0-2 | -181479 |
| 5sealed | 643 | Chlupac, Zdenek (1570) | Won 2-1 | +201499 |
| 6sealed | 347 | Cornaglia, Andrea (1449) | Lost 1-2 | -191480 |
| 7sealed | 668 | Rizzi, Mattia (1857) | Lost 0-2 | -121468 |
| 8sealed | 647 | Schoenberger, Dennis (1493) | Lost 0-2 | -171451 |
| 9sealed | 564 | Cohen, Herzel (1449) | Won 2-0 | +181469 |
| top | average opponent: 1586record: 4-5 | new rating: 1469 | ||
| Grand Prix Lille 2016 (modern) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 10 | Mazy, Romuald (1410) | Lost 1-2 | -171356 |
| 2modern | 599 | Rudolph, Norbert (1447) | Won 2-0 | +191375 |
| 3modern | 483 | Pauli, Philipp (1503) | Won 2-0 | +211396 |
| 4modern | 517 | Castermant, Julien (1577) | Won 2-1 | +211417 |
| 5modern | 116 | Spreadborough, Andrew (1469) | Won 2-1 | +191436 |
| 6modern | 94 | Sajjad, Usama (1779) | Won 2-1 | +241460 |
| 7modern | 133 | Stencl, Adam (1575) | Lost 1-2 | -161444 |
| 8modern | 150 | Dippon, Andreas (1699) | Won 2-0 | +221466 |
| 9modern | 162 | Werkman, Pascal (1584) | Lost 1-2 | -151451 |
| 10modern | 148 | Zelgert, Kai (1589) | Lost 0-2 | -161435 |
| 11modern | 197 | van Sickle, Joseph (1535) | Won 2-0 | +201455 |
| 12modern | 193 | Landvatter, Matthias (1636) | Won 2-0 | +211476 |
| 13modern | 126 | De Decker, Tom (1687) | Lost 1-2 | -141462 |
| 14modern | 147 | Hector, Stephan (1564) | Won 2-1 | +201482 |
| 15modern | 111 | Lewandowski, Bartlomiej (1878) | Lost 0-2 | -111471 |
| top | average opponent: 1595record: 9-6 | new rating: 1471 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1420 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 423 | Schonauer, Benedikt (1500) | Lost 0-2 | -171403 |
| 2sealed | 535 | De La Fuente Martin, R (1487) | Lost 0-2 | -161387 |
| 3sealed | 658 | Langendonk, Yves (1462) | Lost 1-2 | -171370 |
| 4sealed | 625 | Thies, Patrick (1445) | Won 2-1 | +191389 |
| 5sealed | 518 | Lucassen, Henk (1470) | Lost 1-2 | -161373 |
| top | average opponent: 1473record: 1-4 | new rating: 1373 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 110 | Hervier, Loic (1500) | Lost 1-2 | -171455 |
| 3sealed | 384 | Frohlich, Florian (1540) | Won 2-1 | +191474 |
| 4sealed | 137 | Schroetter, Leo (1480) | Lost 0-2 | -181456 |
| 5sealed | 235 | Rauser, Thomas (1371) | Lost 0-2 | -191437 |
| 6sealed | 291 | Gretzmaier, Bastian (1483) | Lost 1-2 | -171420 |
| top | average opponent: 1475record: 1-4 | new rating: 1420 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 296 | Pedon, Alessandro (1486) | Won 2-1 | +201435 |
| 3modern | 151 | Simon Calixto, David (1535) | Lost 0-2 | -161419 |
| 4modern | 482 | Frutos, Alberto (1517) | Won 2-1 | +191438 |
| 5modern | 873 | Lippmann, Robert (1646) | Won 2-0 | +221460 |
| 6modern | 197 | Karsten, Frank (1941) | Lost 0-2 | -101450 |
| 7modern | 275 | Garcia Meco, Jose Luis (1412) | Won 2-1 | +181468 |
| 8modern | 55 | Vilain, Arnaud (1570) | Won 2-0 | +191487 |
| 9modern | 157 | Rubies Mouliaa, Joan (1646) | Lost 1-2 | -151472 |
| top | average opponent: 1594record: 5-3 | new rating: 1472 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 246 | Berdou, Dennis (1513) | Won 2-1 | +191455 |
| 3standard | 185 | Boudewijn, Bart (1559) | Won 2-0 | +201475 |
| 4standard | 154 | Aguzzi, Evan (1651) | Lost 0-2 | -151460 |
| 5standard | 248 | Pinet, Vincent (1554) | Lost 1-2 | -161444 |
| 6standard | 320 | Piekatz, Pascal (1536) | Lost 1-2 | -161428 |
| 7standard | 355 | van der Zee, Sander v (1464) | Won 2-0 | +181446 |
| 8standard | 293 | Liebke, Tobias (1514) | Lost 1-2 | -171429 |
| 9standard | 263 | Reusink, Paul (1650) | Lost 0-2 | -141415 |
| top | average opponent: 1555record: 3-5 | new rating: 1415 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 288 | Schuringa, Remco (1468) | Won 2-0 | +191434 |
| 3modern | 167 | Rohde, Karl Heinz (1746) | Lost 1-2 | -131421 |
| 4modern | 362 | De Duytsche, Bart (1607) | Won 2-0 | +211442 |
| 5modern | 312 | Amundsen, Rune (1671) | Lost 0-2 | -131429 |
| 6modern | 367 | Reichert, Sebastian (1516) | Won 2-1 | +191448 |
| 7modern | 330 | van der End, Martijn (1523) | Lost 1-2 | -171431 |
| 8modern | 279 | Sauer, Norman (1586) | Lost 0-2 | -151416 |
| 9modern | 320 | Brunet, Max (1497) | Won 2-1 | +201436 |
| top | average opponent: 1577record: 4-4 | new rating: 1436 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1378 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Samra, Baljeet (1429) | Lost 1-2 | -171361 |
| 2sealed | 429 | Knytl, Vladislav (1481) | Lost 0-2 | -161345 |
| 3sealed | 700 | Houzvicek, Matous (1439) | Won 2-1 | +201365 |
| 4sealed | 680 | Marti, Ruedi (1533) | Won 2-1 | +211386 |
| 5sealed | 525 | Labruzzo, Ludovico (1500) | Won 2-0 | +201406 |
| 6sealed | 307 | Kapera, Krzysztof (1514) | Lost 0-2 | -161390 |
| 7sealed | 428 | Janda, Kristian (1528) | Won 2-0 | +211411 |
| 8sealed | 326 | Erjavec, Jure (1433) | Won 2-1 | +181429 |
| 9sealed | 245 | Biela, Marius (1627) | Lost 0-2 | -141415 |
| top | average opponent: 1498record: 5-4 | new rating: 1415 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1381 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 266 | Nielsen, Torben (1500) | Won 2-1 | +201401 |
| 2standard | 64 | Noorlander, Mark (1456) | Lost 0-2 | -171384 |
| 3standard | 226 | Lueder, Marvin (1500) | Won 2-1 | +201404 |
| 4standard | 239 | Langlotz, Thomas (1525) | Lost 1-2 | -161388 |
| 5standard | 213 | Tomiczek, Bartlomiej (1558) | Lost 1-2 | -151373 |
| 6standard | 261 | Toomepuu, Tarmo (1480) | Won 2-0 | +201393 |
| 7standard | 212 | Lewandowski, Bartlomiej (1553) | Lost 0-2 | -151378 |
| top | average opponent: 1510record: 3-4 | new rating: 1378 | ||
| Grand Prix Ghent 2012 (legacy) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 721 | Kuntze, Maximilian (1652) | Lost 0-2 | -141391 |
| 3legacy | 749 | Baselet, Brecht (1500) | Won 2-1 | +201411 |
| 4legacy | 789 | Poulisse, Ward (1448) | Lost 0-2 | -171394 |
| 5legacy | 810 | Marinuzzi, Lorenzo (1526) | Lost 0-2 | -161378 |
| 6legacy | 854 | Vergauwen, Joachim (1420) | Lost 1-2 | -171361 |
| 7legacy | 826 | Bollue, Eddy (1433) | Lost 1-2 | -171344 |
| 8legacy | 798 | Scarpitta, Sebastien (1336) | Won 2-0 | +181362 |
| 9legacy | 761 | Corwood, James (1400) | Won 2-0 | +191381 |
| top | average opponent: 1465record: 3-5 | new rating: 1381 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 27 | Nasini, Giovanni (1401) | Lost 0-2 | -201480 |
| 2standard | 277 | Maxim, Coene (1482) | Lost 1-2 | -181462 |
| 3standard | 295 | De Jong, Wytse (1464) | Lost 0-2 | -181444 |
| 4standard | 365 | Smid, Ondrej (1468) | Lost 1-2 | -171427 |
| 5standard | 354 | Chappart, Edouard (1429) | Won 2-0 | +181445 |
| 6standard | 316 | Durot, Florian (1430) | Lost 1-2 | -191426 |
| 7standard | 297 | Oria, Antoine (1295) | Lost 1-2 | -201406 |
| 8standard | 267 | Kong, Jean-Christophe (1409) | Won 2-0 | +181424 |
| 9standard | 230 | Lopez, Richie (1349) | Lost 0-2 | -191405 |
| top | average opponent: 1414record: 2-7 | new rating: 1405 | ||