Polak, Lukas
Current rating: 1510
Record: 17-19
| Grand Prix Madrid 2010 (legacy) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1058 | Hallwirth, Stephan (1514) | Lost 1-2 | -171471 |
| 2legacy | 1080 | Sevilla, Leticia (1483) | Won 2-1 | +181489 |
| 3legacy | 976 | Allasinaz, Jeanpaul (1499) | Lost 1-2 | -181471 |
| 4legacy | 1069 | Gonzalez Hidalgo, Francisco Jose (1557) | Lost 1-2 | -161455 |
| 5legacy | 1172 | Bassols, Arnau (1415) | Won 2-0 | +171472 |
| 6legacy | 1032 | Font, Ferran (1494) | Won 2-1 | +181490 |
| 7legacy | 965 | Garcia Copete, David (1565) | Won 2-0 | +201510 |
| 8legacy | 907 | Garcia, Rodrigo [ESP] (1520) | Won 2-0 | +181528 |
| 9legacy | 843 | Cid Lores, Jose David (1532) | Lost 0-2 | -181510 |
| top | average opponent: 1509record: 5-4 | new rating: 1510 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 8 | Creiche, Selim (1682) | Won 2-0 | +221473 |
| 5sealed | 27 | Hruska, Jakub (1574) | Won 2-0 | +201493 |
| 6sealed | 23 | Guillot, Elric (1691) | Won 2-1 | +221515 |
| 7sealed | 12 | Valosek, Jakub (1603) | Won 2-0 | +191534 |
| 8sealed | 2 | Tajak, Lukas (1707) | Lost 1-2 | -151519 |
| 9sealed | 11 | Zunko, Bojan (1787) | Lost 0-2 | -131506 |
| 10draft | 40 | Von Kalkstein, Christian (1637) | Lost 1-2 | -151491 |
| 11draft | 18 | Zinovjevas, Arturas (1559) | Won 2-1 | +191510 |
| 12draft | 55 | Levy, Raphael (1965) | Lost 1-2 | -101500 |
| 13draft | 69 | Vavra, Nikola (1723) | Won 2-1 | +221522 |
| 14draft | 57 | Hauser, Matthias (1584) | Lost 0-2 | -171505 |
| 15draft | 64 | Held, Marco (1592) | Lost 0-2 | -171488 |
| top | average opponent: 1675record: 6-6 | new rating: 1488 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Friedel, Sebastian (1500) | Lost 0-2 | -171447 |
| 2sealed | 192 | Hietalahti, Matti (1482) | Won 2-0 | +191466 |
| 3sealed | 140 | Nagy, Zoltan (1479) | Lost 0-2 | -181448 |
| 4sealed | 165 | Baierhofer, Horst (1400) | Lost 0-2 | -191429 |
| 5sealed | 177 | [anonymous] | Won 2-1 | +191448 |
| 6sealed | 142 | Weller, Tobias (1481) | Won 2-1 | +181466 |
| 7sealed | 113 | Pedersen, Mark D (1505) | Lost 0-2 | -171449 |
| 8sealed | 101 | Ippisch, Josef (1488) | Lost 0-2 | -171432 |
| 9sealed | 102 | Scholz, Florian (1506) | Won 2-1 | +191451 |
| top | average opponent: 1479record: 4-5 | new rating: 1451 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Pick, Tobias (1557) | Lost 0-2 | -171483 |
| 2sealed | 375 | Filip, David (1449) | Won 2-1 | +171500 |
| 3sealed | 270 | Sokol, Dia (1500) | Lost 1-2 | -181482 |
| 4sealed | 300 | Picha, Stepan (1478) | Lost 1-2 | -181464 |
| 5sealed | 361 | Fajmon, Petr (1464) | Won 2-0 | +181482 |
| 6sealed | 265 | Kollert, Michal (1483) | Lost 1-2 | -181464 |
| top | average opponent: 1488record: 2-4 | new rating: 1464 | ||