Marous, Roman
Current rating: 1472
Record: 14-17-1
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 853 | Nolf, Jerome (1431) | Won 2-0 | +171487 |
| 2standard | 615 | Loffler, Alexander (1465) | Won 2-1 | +181505 |
| 3standard | 680 | Libkin, Eugen (1610) | Lost 1-2 | -161489 |
| 4standard | 845 | Clerc, Benjamin (1506) | Won 2-0 | +181507 |
| 5standard | 733 | Linssen, Frank (1518) | Lost 0-2 | -181489 |
| 6standard | 763 | Yu, Shao-Chi (1525) | Lost 0-2 | -171472 |
| top | average opponent: 1509record: 3-3 | new rating: 1472 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 542 | Alvarez Busto, Camilo (1502) | Won 2-1 | +191462 |
| 2sealed | 693 | Kwasniewski, Artur (1500) | Lost 0-2 | -171445 |
| 3sealed | 737 | Vokas, Petr (1503) | Lost 1-2 | -171428 |
| 4sealed | 825 | Kunz, Ernst (1502) | Won 2-0 | +191447 |
| 5sealed | 748 | Solberg, Tage (1500) | Lost 1-2 | -171430 |
| 6sealed | 731 | Mayerhofer, Katrin (1483) | Won 2-0 | +191449 |
| 7sealed | 688 | Erenyi, Jakub (1507) | Lost 1-2 | -171432 |
| 8sealed | 663 | Sobejko, Krzysztof (1481) | Won 2-0 | +191451 |
| 9sealed | 631 | Mentenegro, Oswaldo (1503) | Won 2-0 | +191470 |
| top | average opponent: 1498record: 5-4 | new rating: 1470 | ||
| Grand Prix Copenhagen 2008 (EVE standard) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 92 | Koskinen, Riku (1518) | Won 2-1 | +201430 |
| 2standard | 101 | Rokkjaer, Simon (1431) | Lost 0-2 | -181412 |
| 3standard | 142 | Durr-frederiksen, Kenneth (1499) | Lost 1-2 | -161396 |
| 4standard | 207 | Isakovic, Edvin (1559) | Won 2-1 | +211417 |
| 5standard | 205 | Vrist-jensen, Peter (1501) | Won 2-0 | +191436 |
| 6standard | 154 | Storch, Alexander (1510) | Won 2-1 | +191455 |
| 7standard | 66 | Blohon, Lukas (1597) | Lost 1-2 | -151440 |
| 8standard | 108 | Sorum, Tore Johan (1519) | Won 2-0 | +191459 |
| 9standard | 88 | Guldborg, Dan (1539) | Lost 0-2 | -161443 |
| top | average opponent: 1519record: 5-4 | new rating: 1443 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Skiba, Jacek (1500) | Lost 0-2 | -181482 |
| 2standard | 154 | Marciniak, Artur (1481) | Lost 0-2 | -181464 |
| 3standard | 166 | Aleksandrovich, Biryukov (1464) | Lost 0-2 | -181446 |
| 4standard | 203 | Distel, Piotr (1447) | Lost 0-1 | -181428 |
| 5standard | 200 | Solak, Piotr (1429) | Won 2-0 | +181446 |
| 6standard | 177 | Krzyzyk, Michal (1445) | Lost 0-2 | -181428 |
| 7standard | 164 | Rossi, Robert (1428) | Draw 1-1 | 01428 |
| 8standard | 144 | Cielniaszek, Gracjan (1427) | Lost 0-2 | -181410 |
| top | average opponent: 1453record: 1-6-1 | new rating: 1410 | ||