Sedivy, Jan
Current rating: 1471
Record: 20-22
| Grand Prix Prague 2014 (modern) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 29 | Bossow, Janus (1403) | Won 1-0 | +161547 |
| 2modern | 299 | Himmlestoss, Johannes (1518) | Won 2-0 | +171564 |
| 3modern | 274 | Cappalunga, Giulio (1536) | Lost 0-2 | -191545 |
| 4modern | 315 | Lauwers, Jelle (1465) | Lost 1-2 | -191526 |
| 5modern | 410 | Mraz, Daniel (1515) | Lost 1-2 | -181508 |
| 6modern | 547 | Cekaj, Kristian (1538) | Lost 0-2 | -181490 |
| 7modern | 491 | Cerny, Christopher (1431) | Lost 0-2 | -191471 |
| top | average opponent: 1487record: 2-5 | new rating: 1471 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 195 | Zull, Stephan (1500) | Lost 0-2 | -191531 |
| 2sealed | 515 | Fleischer, Michael (1482) | Won 2-0 | +171548 |
| 3sealed | 604 | Schneider, Valentin (1531) | Won 2-0 | +181566 |
| 4sealed | 319 | Perez, Ruben (1683) | Won 2-0 | +201586 |
| 5sealed | 107 | Luff, Andre (1631) | Lost 0-2 | -171569 |
| 6sealed | 330 | Wienand, Jonas (1597) | Won 2-0 | +181587 |
| 7sealed | 282 | Freau, Cyrille (1563) | Lost 1-2 | -181569 |
| 8sealed | 325 | Rodriguez Frye, Karel (1515) | Lost 0-2 | -191550 |
| 9sealed | 281 | Koszewski, Mateusz (1504) | Lost 1-2 | -191531 |
| top | average opponent: 1556record: 4-5 | new rating: 1531 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 531 | Maffei, Paolo (1500) | Won 2-0 | +181546 |
| 2sealed | 586 | Cujean, Sebastien (1682) | Lost 1-2 | -161530 |
| 3sealed | 734 | Nikitin, Dmitry (1710) | Won 2-0 | +211551 |
| 4sealed | 675 | Luczak, Marcin (1539) | Won 2-0 | +181569 |
| 5sealed | 673 | Hermansson, Emil (1664) | Lost 0-2 | -161553 |
| 6sealed | 650 | Fracasso, Mirko (1519) | Won 2-0 | +171570 |
| 7sealed | 658 | Arnaud, Christophe (1435) | Lost 1-2 | -201550 |
| top | average opponent: 1578record: 4-3 | new rating: 1550 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 46 | Lercher, Patric (1600) | Won 2-0 | +191576 |
| 5sealed | 8 | Sele, Yves (1930) | Lost 0-2 | -121564 |
| 6sealed | 63 | Clemente, Stefano (1589) | Lost 0-2 | -181546 |
| 7sealed | 67 | Morak, Niklas (1539) | Lost 0-2 | -181528 |
| top | average opponent: 1664record: 1-3 | new rating: 1528 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Lundgren, Erik (1522) | Lost 1-2 | -181504 |
| 2sealed | 163 | Anchisi, Corrado (1422) | Won 2-0 | +161520 |
| 3sealed | 188 | Parisi, Paolo (1548) | Won 2-1 | +191539 |
| 4sealed | 178 | Ferrarese, Stefano (1710) | Won 2-0 | +211560 |
| 5sealed | 54 | Tempesta, Fabrizio (1501) | Won 2-0 | +171577 |
| 6sealed | 50 | Cremonesi, Stefano (1554) | Lost 0-2 | -191558 |
| 7sealed | 112 | Lo Iacono, Maurizio (1536) | Won 2-1 | +181576 |
| 8sealed | 73 | Melin, Anders (1512) | Lost 1-2 | -191557 |
| top | average opponent: 1538record: 5-3 | new rating: 1557 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Novotny, Jakub 1996 (1500) | Lost 1-2 | -181482 |
| 2sealed | 209 | Cernohous, Petr (1507) | Won 2-0 | +181500 |
| 3sealed | 161 | Jurkovsky, Ondrej (1570) | Lost 0-2 | -161484 |
| 4sealed | 261 | Wilhelmer, Thomas (1486) | Won 2-1 | +181502 |
| 5sealed | 210 | Gilany, Igor (1481) | Won 2-0 | +171519 |
| 6sealed | 223 | Jarmula, Juliusz (1450) | Won 2-0 | +171536 |
| 7sealed | 159 | Brozek, Petr (1733) | Lost 0-2 | -141522 |
| top | average opponent: 1532record: 4-3 | new rating: 1522 | ||