Hassler, Oliver
Current rating: 1226
Record: 16-42-1
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1207 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 142 | Milivojevic, Marko (1602) | Lost 1-2 | -111196 |
| 2standard | 471 | Sercl, Adam (1428) | Lost 0-2 | -141182 |
| 3standard | 715 | antoniou, rafail konst (1464) | Won 2-0 | +231205 |
| 4standard | 638 | Schimka, Laurids (1482) | Won 2-1 | +231228 |
| 5standard | 509 | Luik, Jan (1507) | Won 2-0 | +231251 |
| 6standard | 317 | Vardzik, Marek (1592) | Lost 0-2 | -121239 |
| 7standard | 339 | Hoyer, Michel (1507) | Lost 1-2 | -131226 |
| top | average opponent: 1512record: 3-4 | new rating: 1226 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1210 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 760 | Jaeger, Sven (1500) | Lost 1-2 | -131197 |
| 2sealed | 801 | Mari, Francesco (1481) | Won 2-0 | +231220 |
| 3sealed | 1028 | Herold, Marius (1503) | Lost 0-2 | -131207 |
| top | average opponent: 1495record: 1-2 | new rating: 1207 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1228 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 861 | Pauli, Stev (1470) | Lost 1-2 | -141214 |
| 2sealed | 909 | Galindo, David (1482) | Lost 1-2 | -131201 |
| 3sealed | 976 | Lemesnager, Tiphaine (1464) | Won 2-1 | +231224 |
| 4sealed | 944 | Trincart, Titouan (1482) | Lost 1-2 | -141210 |
| top | average opponent: 1475record: 1-3 | new rating: 1210 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1231 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Malden, Marcus (1500) | Lost 1-2 | -141217 |
| 2sealed | 150 | Severin, Thoralf (1541) | Won 2-1 | +241241 |
| 3sealed | 174 | Redlich, Malte (1507) | Lost 1-2 | -131228 |
| top | average opponent: 1516record: 1-2 | new rating: 1228 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1246 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Vlach, Josef (1500) | Lost 1-2 | -141232 |
| 2sealed | 336 | Tkoc, Michal (1482) | Lost 0-2 | -131219 |
| 3sealed | 395 | Sejkora, Svatopluk (1466) | Won 2-0 | +221241 |
| 4sealed | 333 | Broer, Jan (1530) | Lost 1-2 | -131228 |
| 5sealed | 349 | Nipans, Aldis (1452) | Lost 1-2 | -141214 |
| 6sealed | 338 | Matyska, Lukas (1445) | Won 2-0 | +231237 |
| 7sealed | 266 | Kvacek, Jan (1464) | Lost 0-2 | -141223 |
| 8sealed | 218 | Koci, Martin (1445) | Lost 1-2 | -141209 |
| 9sealed | 172 | Rojka, Daniel (1428) | Won 2-0 | +221231 |
| top | average opponent: 1468record: 3-6 | new rating: 1231 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1263 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Moreno Morales, Francisco (1500) | Lost 0-2 | -141249 |
| 2sealed | 321 | Sanchez Toro, Francisco Javier (1542) | Won 2-0 | +241273 |
| 3sealed | 242 | Ortiz, Sergio (1570) | Lost 0-2 | -131260 |
| 4sealed | 313 | Veloso, Eduardo (1484) | Lost 0-2 | -141246 |
| top | average opponent: 1524record: 1-3 | new rating: 1246 | ||
| Grand Prix Reims 2002 (extended) | starting rating: 1285 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 137 | Chitel, Arnaud (1464) | Lost 0-1 | -151270 |
| 2extended | 307 | Amzil, Rachid (1482) | Won 2-0 | +221292 |
| 3extended | 276 | Gonday, Pierre-Yves (1481) | Lost 0-2 | -141278 |
| 4extended | 330 | Levy, Samuel (1484) | Lost 1-2 | -151263 |
| top | average opponent: 1478record: 1-3 | new rating: 1263 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1314 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 144 | Erdmann, Patrick (1500) | Lost 1-2 | -141300 |
| 2block | 150 | Kohne, Henning (1482) | Lost 0-2 | -151285 |
| top | average opponent: 1491record: 0-2 | new rating: 1285 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1368 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Gentil, Pascal (1502) | Lost 0-2 | -161352 |
| 2sealed | 230 | Moreau, Francois (1529) | Lost 0-2 | -151337 |
| 3sealed | 252 | Maes, Jerry (1464) | Lost 0-2 | -151322 |
| 4sealed | 264 | Mertalo, Oskari (1432) | Won 2-0 | +201342 |
| 5sealed | 227 | Moerhoeve, Robbert (1464) | Lost 0-2 | -161326 |
| 6sealed | 206 | Van Landeghem, Gunther (1447) | Won 2-0 | +201346 |
| 7sealed | 152 | Cools, Patricia (1467) | Lost 1-2 | -161330 |
| 8sealed | 141 | van den Wouwer, Chris (1446) | Lost 1-2 | -161314 |
| top | average opponent: 1469record: 2-6 | new rating: 1314 | ||
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 280 | Holzweiss, Ralf (1607) | Lost 0-2 | -151395 |
| 2sealed | 360 | Wigge, Mathias (1481) | Lost 0-2 | -161379 |
| 3sealed | 356 | Hahn, Erkmar (1467) | Draw 1-1 | +21381 |
| 4sealed | 365 | Herbert, Jurgen (1445) | Lost 0-2 | -171364 |
| 5sealed | 320 | Borger, Gundolf (1445) | Lost 0-2 | -171347 |
| 6sealed | 279 | Weber, Thomas (1330) | Won 2-0 | +181365 |
| 7sealed | 211 | Koster, Raphael (1446) | Lost 1-2 | -171348 |
| 8sealed | 177 | von Natzmer, Frederike (1428) | Won 2-0 | +201368 |
| top | average opponent: 1456record: 2-5-1 | new rating: 1368 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Trossbach, Martin (1500) | Lost 0-2 | -181482 |
| 2sealed | 214 | Djukic, Marko (1483) | Lost 0-2 | -181464 |
| 3sealed | 303 | Guerra, Pablo (1464) | Lost 0-2 | -181446 |
| 4sealed | 279 | Feichtinger, Christian (1447) | Won 2-0 | +181464 |
| 5sealed | 247 | Schmidt, Krisztian (1464) | Lost 0-2 | -181446 |
| 6sealed | 225 | Piirimees, Raul (1416) | Lost 0-2 | -191427 |
| 7sealed | 193 | Weber, Robert (1447) | Lost 0-2 | -171410 |
| top | average opponent: 1460record: 1-6 | new rating: 1410 | ||