Chodak, Michal
Current rating: 1489
Record: 33-36-2
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 259 | Horev, Ori (1505) | Won 2-0 | +181529 |
| 2sealed | 206 | Bonov, Alexander (1518) | Lost 1-2 | -181511 |
| 3sealed | 510 | Zehm, Wolfgang (1462) | Won 2-0 | +171528 |
| 4sealed | 334 | Schulze, Nico (1466) | Lost 1-2 | -191509 |
| 5sealed | 555 | Geuens, Peter (1402) | Lost 0-2 | -201489 |
| top | average opponent: 1470record: 2-3 | new rating: 1489 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 256 | Gore, Emmett (1463) | Lost 0-2 | -191514 |
| 2standard | 563 | Raffington, Andre (1482) | Won 2-0 | +171531 |
| 3standard | 326 | Jackson, Brandon (1500) | Lost 1-2 | -181513 |
| 4standard | 669 | Kamerow, Simon (1473) | Won 2-1 | +171530 |
| 5standard | 465 | Garraud, Monique (1481) | Lost 1-2 | -191511 |
| top | average opponent: 1480record: 2-3 | new rating: 1511 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 602 | Gagin, Thibaut (1500) | Lost 0-2 | -181494 |
| 2sealed | 727 | La Loggia, Luca (1485) | Won 2-0 | +181512 |
| 3sealed | 679 | Charlton, Conor (1546) | Won 2-1 | +191531 |
| 4sealed | 676 | Gruson, Pierre (1480) | Lost 1-2 | -191512 |
| 5sealed | 701 | Keresztes, Attila (1501) | Won 2-0 | +181530 |
| 6sealed | 657 | Kadavy, Petr (1640) | Won 2-1 | +201550 |
| 7sealed | 596 | Zimmermann, Jonas (1626) | Lost 0-2 | -171533 |
| top | average opponent: 1540record: 4-3 | new rating: 1533 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 659 | Roijen, Dominique (1649) | Lost 0-2 | -151475 |
| 2sealed | 725 | Petithomme, Thierry T (1480) | Won 2-0 | +181493 |
| 3sealed | 716 | Balard, Florent (1500) | Lost 1-2 | -181475 |
| 4sealed | 752 | Ciecior, Daniel (1434) | Won 2-0 | +181493 |
| 5sealed | 713 | Corpet, Matthieu (1500) | Won 2-1 | +181511 |
| 6sealed | 619 | Figarski, Tomasz (1598) | Won 2-1 | +191530 |
| 7sealed | 624 | Fradcourt, Pierre-Louis (1535) | Lost 0-2 | -181512 |
| top | average opponent: 1528record: 4-3 | new rating: 1512 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 539 | Rossijcenko, Alexander (1395) | Won 2-1 | +171509 |
| 3sealed | 603 | Halga, Bogdan (1514) | Lost 1-2 | -181491 |
| 4sealed | 694 | Zelezny, Jan (1515) | Lost 1-2 | -181473 |
| 5sealed | 714 | Chvostek, Ondrej (1499) | Won 2-1 | +191492 |
| 6sealed | 701 | Berka, Krystof (1523) | Won 2-1 | +181510 |
| 7sealed | 623 | Jedlicka, Michal (1405) | Lost 0-2 | -201490 |
| top | average opponent: 1475record: 3-3 | new rating: 1490 | ||
| Grand Prix Turin 2006 (DIS limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Sarton, Clement (1556) | Draw 1-1 | +11473 |
| 2sealed | 166 | Mrankov Tosev, Ivan (1541) | Won 2-0 | +191492 |
| top | average opponent: 1548record: 1-0-1 | new rating: 1492 | ||
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 53 | Unfried, Jorg (1779) | Won 2-0 | +241489 |
| 3block | 8 | Verdiani, Luca (1535) | Lost 1-2 | -171472 |
| 4block | 175 | Angelozzi, Daniele (1519) | Won 2-1 | +181490 |
| 5block | 108 | Santopadre, Marco (1518) | Won 2-0 | +191509 |
| 6block | 80 | Pensieri, Fernando (1519) | Lost 1-2 | -181491 |
| 7block | 148 | Serafini, Caterina (1361) | Lost 1-2 | -201471 |
| 8block | 116 | Thoma, Christian (1516) | Lost 0-2 | -171454 |
| 9block | 135 | Sheppard, Daniel (1457) | Won 2-0 | +181472 |
| top | average opponent: 1525record: 4-4 | new rating: 1472 | ||
| Grand Prix Genoa 2003 (Onslaught block) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 27 | Richard, Armel (1502) | Won 2-0 | +191458 |
| 3block | 97 | Zombori, Csaba (1496) | Lost 1-2 | -171441 |
| 4block | 76 | Risso, Marco (1502) | Lost 1-2 | -171424 |
| 5block | 195 | Rosselli, Luca (1499) | Lost 0-2 | -171407 |
| 6block | 198 | Pali, Klevis (1482) | Won 2-0 | +201427 |
| 7block | 122 | Carre, Richard (1500) | Won 2-1 | +191446 |
| 8block | 82 | Lefrene, Yann (1517) | Won 2-0 | +191465 |
| top | average opponent: 1500record: 4-3 | new rating: 1465 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1418 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Murins, Vladimirs (1485) | Won 2-0 | +191437 |
| 2sealed | 174 | Marek, Libor (1450) | Won 1-0 | +191456 |
| 3sealed | 72 | Over, Thomas (1517) | Lost 0-2 | -171439 |
| top | average opponent: 1484record: 2-1 | new rating: 1439 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 27 | Wiegersma, Jelger (2003) | Lost 0-2 | -91447 |
| 5sealed | 45 | Zink, Sebastian (1567) | Lost 0-2 | -161431 |
| 6sealed | 130 | Akritas, Pavlos (1517) | Lost 1-2 | -171414 |
| 7sealed | 116 | Vilm, Jerome (1475) | Lost 0-2 | -161398 |
| 8sealed | 121 | Aubertin, Nicolas (1549) | Won 2-0 | +201418 |
| top | average opponent: 1622record: 1-4 | new rating: 1418 | ||
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Giersch-Eisfeld, Michael (1500) | Won 2-1 | +191466 |
| 2sealed | 169 | Muller, Falko (1518) | Won 2-0 | +191485 |
| 3sealed | 75 | Wache, Paul (1589) | Lost 0-2 | -161469 |
| 4sealed | 166 | Zidek, Arnost (1523) | Won 2-0 | +191488 |
| 5sealed | 137 | Cetl, Philipp (1489) | Lost 1-2 | -181470 |
| 6sealed | 150 | Hoglund, Kim (1524) | Won 2-1 | +191489 |
| 7sealed | 92 | Scholz, Hannes (1541) | Lost 1-2 | -171472 |
| 8sealed | 115 | Skjetne, Endre Helgesen (1550) | Lost 0-2 | -161456 |
| top | average opponent: 1529record: 4-4 | new rating: 1456 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Twiefel, Torben (1571) | Lost 0-2 | -171483 |
| 2sealed | 253 | Cieslak, Andrzej (1481) | Draw 1-1 | 01483 |
| 3sealed | 249 | Caminada, Julien (1481) | Won 2-0 | +181501 |
| 4sealed | 206 | Naraks, Aljaz (1500) | Lost 0-2 | -181483 |
| 5sealed | 234 | Neumann, Alexander (1481) | Lost 0-2 | -181465 |
| 6sealed | 216 | Gottwald, Dieter (1477) | Lost 0-2 | -181447 |
| 7sealed | 191 | Klotz, Florentine (1449) | Won 2-0 | +181465 |
| 8sealed | 156 | Hecht, Stefan (1468) | Lost 1-2 | -181447 |
| top | average opponent: 1489record: 2-5-1 | new rating: 1447 | ||