Ruzicka, Marek
Current rating: 1457
Record: 18-20
| Grand Prix Prague 2014 (modern) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 155 | Eichenseer, Lukas (1500) | Lost 1-2 | -181496 |
| 2modern | 392 | Maciocha, Thomas (1366) | Won 2-1 | +161512 |
| 3modern | 380 | Kocman, Jiri (1422) | Lost 1-2 | -201492 |
| 4modern | 608 | Materne, Philipp (1531) | Lost 1-2 | -171475 |
| 5modern | 632 | Viehmann, Sebastian (1472) | Lost 0-2 | -181457 |
| top | average opponent: 1458record: 1-4 | new rating: 1457 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 251 | Riha, Daniel (1500) | Lost 1-2 | -191537 |
| 2sealed | 344 | Banasiak, Ewelina (1418) | Won 2-0 | +161553 |
| 3sealed | 537 | Hajek, Michal (1432) | Lost 0-2 | -201533 |
| 4sealed | 621 | Strasak, Jan (1503) | Lost 0-2 | -191514 |
| top | average opponent: 1463record: 1-3 | new rating: 1514 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Kubiszyn, Michael Misi (1455) | Won 2-1 | +161615 |
| 2sealed | 81 | Szewczyk, Michal (1579) | Lost 1-2 | -191596 |
| 3sealed | 221 | Hofmann, Mike (1617) | Lost 0-2 | -181578 |
| 4sealed | 249 | Kaufmann, David (1547) | Won 2-1 | +181596 |
| 5sealed | 160 | Hajek, Radim (1524) | Lost 1-2 | -201576 |
| 6sealed | 199 | Borkowski, Robert (1466) | Lost 0-2 | -201556 |
| top | average opponent: 1531record: 2-4 | new rating: 1556 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 248 | Van Winckel, Jordy (1500) | Won 2-1 | +171566 |
| 2standard | 99 | Hedemann, Marcel (1508) | Won 2-0 | +171583 |
| 3standard | 115 | Bons, Mick (1483) | Won 2-0 | +161599 |
| 4standard | 101 | Dewez, Johan (1705) | Lost 0-2 | -161583 |
| 5standard | 176 | De Marelle, Anthony (1569) | Won 2-1 | +171600 |
| 6standard | 111 | Beckmann, Bertram (1703) | Lost 0-2 | -161584 |
| 7standard | 151 | Nikolic, Isidor (1487) | Won 2-1 | +171601 |
| 8standard | 80 | Cornu, Hubert (1505) | Won 2-1 | +161617 |
| 9standard | 61 | Oberborsch, Benjamin (1646) | Won 2-1 | +181635 |
| 10standard | 59 | Sommerlade, Jan Philip (1684) | Lost 0-2 | -171618 |
| 11standard | 93 | Plummer, Richard (1564) | Lost 0-2 | -191599 |
| 12standard | 93 | Strubelj, Gregor (1554) | Lost 0-2 | -191580 |
| 13standard | 93 | Luik, Herman (1501) | Lost 0-2 | -191561 |
| 15standard | 82 | Alarcon, Jorge (1561) | Won 2-1 | +181579 |
| 16standard | 76 | Lysak, Zdenek (1700) | Won 2-0 | +201599 |
| top | average opponent: 1578record: 9-6 | new rating: 1599 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 649 | Otahal, Jiri (1500) | Won 2-1 | +181518 |
| 2sealed | 581 | Rascato, Pier Paolo (1500) | Won 2-1 | +181536 |
| 3sealed | 610 | Kroll, Tobias (1726) | Won 2-1 | +211557 |
| 4sealed | 503 | Papatsarouchas, Evangelos (1749) | Lost 0-2 | -141543 |
| 5sealed | 602 | Koleno, Patrik (1534) | Lost 0-2 | -191524 |
| 6sealed | 689 | Campanini, Tommaso (1654) | Won 2-1 | +211545 |
| 7sealed | 652 | Grunauer, Simon (1762) | Lost 0-2 | -141531 |
| 8sealed | 654 | Patek, Zdenek (1523) | Won 2-0 | +181549 |
| top | average opponent: 1619record: 5-3 | new rating: 1549 | ||