Haka, Petr
Current rating: 1581
Record: 62-50-2
- 2003
- 2004
- 2005
- 2006
- 2007
- 2008
- 2009
- 2013
- 2014
- 2019
| Grand Prix London 2019 (WAR sealed) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 69 | Hinch, Leeanne (1443) | Lost 1-2 | -211602 |
| A2sealed | 275 | Cuerva, Alberto (1432) | Lost 0-2 | -211581 |
| top | average opponent: 1437record: 0-2 | new rating: 1581 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 287 | Gulyas, Gergely (1651) | Won 2-0 | +181645 |
| 2modern | 242 | Macalik, Roman (1488) | Lost 0-2 | -211624 |
| 3modern | 364 | Sevcik, Lukas (1486) | Won 2-0 | +161640 |
| 4modern | 332 | Axelsson, Matthias (1502) | Won 2-1 | +151655 |
| 5modern | 263 | Bastos, Frederico (1895) | Lost 1-2 | -141641 |
| 6modern | 385 | Willems, Gert (1610) | Lost 1-2 | -181623 |
| top | average opponent: 1605record: 3-3 | new rating: 1623 | ||
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 132 | Kukla, Martin (1483) | Lost 0-2 | -211609 |
| 2sealed | 413 | Cambor, Rastislav (1446) | Won 2-0 | +151624 |
| 3sealed | 549 | Hahn, Lennard (1536) | Won 2-0 | +161640 |
| 4sealed | 446 | Hochstoger, Andre (1471) | Won 2-1 | +151655 |
| 5sealed | 320 | Piroddi, Dario (1432) | Lost 0-2 | -221633 |
| 6sealed | 375 | Salomoni, Davide (1465) | Won 2-0 | +151648 |
| 7sealed | 316 | Kopietz, Matthias (1445) | Lost 0-2 | -211627 |
| top | average opponent: 1468record: 4-3 | new rating: 1627 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 651 | Hrdlicka, Zdenek (1452) | Lost 0-2 | -221650 |
| 3sealed | 668 | Mayerhofer, Katrin (1501) | Lost 0-2 | -201630 |
| top | average opponent: 1476record: 0-2 | new rating: 1630 | ||
| Grand Prix Rimini 2008 (Lorwyn block) | starting rating: 1701 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 136 | Gasparac, Luka (1550) | Won 2-1 | +151716 |
| 3block | 26 | Canavesi, Daniele (1751) | Won 2-1 | +191735 |
| 4block | 68 | Blohon, Lukas (1647) | Lost 1-2 | -201715 |
| 5block | 130 | Cristofani, Michele (1507) | Lost 1-2 | -221693 |
| 6block | 176 | Bosnic, Mitja (1528) | Lost 0-2 | -211672 |
| top | average opponent: 1597record: 2-3 | new rating: 1672 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1741 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 31 | Saavedra, Felipe (1691) | Draw 1-1 | -11740 |
| 5extended | 36 | Florent, Lucas (1671) | Lost 1-2 | -191721 |
| 6extended | 81 | Sznigir, Filip (1609) | Lost 1-2 | -201701 |
| top | average opponent: 1657record: 0-2-1 | new rating: 1701 | ||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1763 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 62 | Rodemeyer, Thorsten (1518) | Won 2-0 | +131776 |
| 3sealed | 46 | Wache, Paul (1582) | Draw 1-1 | -31773 |
| 4sealed | 91 | Gerber, Christoph (1512) | Lost 0-2 | -231750 |
| 5sealed | 156 | Bimberg, Michael (1518) | Won 2-0 | +141764 |
| 6sealed | 101 | Reimche, Wadim (1464) | Lost 1-2 | -231741 |
| top | average opponent: 1519record: 2-2-1 | new rating: 1741 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1802 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 38 | Reifgerste, Carlo (1518) | Lost 0-2 | -231779 |
| 3sealed | 123 | Mueller, Philipp (1466) | Won 2-0 | +121791 |
| 4sealed | 129 | Landt, Nils (1404) | Won 2-1 | +121803 |
| 5sealed | 48 | Stein, Harald (1835) | Lost 0-2 | -181785 |
| 6sealed | 122 | Hesseln, Stefan (1542) | Lost 1-2 | -221763 |
| top | average opponent: 1553record: 2-3 | new rating: 1763 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1706 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 50 | Varoqueaux, Laurent (1580) | Won 2-1 | +161722 |
| 3sealed | 8 | Netrefa, Jiri (1567) | Won 2-0 | +151737 |
| 4sealed | 35 | Schroeder, Marcel (1574) | Won 2-0 | +151752 |
| 5sealed | 9 | Gomersall, Sam (1733) | Lost 0-2 | -181734 |
| 6sealed | 32 | Thomas, Herve (1613) | Lost 1-2 | -201714 |
| 7sealed | 67 | Kammer, Michael (1556) | Won 2-1 | +151729 |
| 8sealed | 44 | Perez, Zenon (1663) | Won 2-1 | +171746 |
| 9sealed | 30 | Muller, Michael (1691) | Won 2-1 | +171763 |
| 10draft | 7 | van den Brink, Peter (1728) | Won 2-0 | +171780 |
| 11draft | 40 | Steiner, Stefan (1742) | Won 2-0 | +171797 |
| 12draft | 16 | Levy, Raphael (1918) | Won 2-0 | +201817 |
| 13draft | 41 | Gomersall, Sam (1804) | Lost 0-2 | -181799 |
| 14draft | 3 | Ruel, Antoine (1900) | Won 2-1 | +201819 |
| 15draft | 8 | Ruess, Jan (1864) | Lost 1-2 | -171802 |
| top | average opponent: 1710record: 10-4 | new rating: 1802 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1680 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 41 | Sisask, Erkki (1628) | Won 2-1 | +171697 |
| 5sealed | 9 | Stob, Joel (1571) | Won 2-0 | +161713 |
| 6sealed | 8 | Vonderberg, Sven (1596) | Won 2-1 | +161729 |
| 7sealed | 5 | Schneiber, Benedikt (1553) | Won 2-1 | +151744 |
| 8sealed | 1 | Avsec, Anze (1620) | Lost 0-2 | -201724 |
| 9sealed | 7 | Sacher, Falko (1569) | Lost 1-2 | -211703 |
| 10draft | 5 | Jedlicka, Stefan (1919) | Won 2-1 | +221725 |
| 11draft | 61 | Nahodil, Petr (1755) | Lost 1-2 | -181707 |
| 12draft | 21 | Weise, Hannes (1683) | Won 2-1 | +181725 |
| 13draft | 24 | Frieling, Jan (1578) | Lost 0-2 | -211704 |
| 14draft | 55 | Pinkster, Wilco (1845) | Won 2-1 | +211725 |
| 15draft | 14 | Fritz Kunc, Ziga (1696) | Lost 1-2 | -191706 |
| top | average opponent: 1668record: 7-5 | new rating: 1706 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1695 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 71 | Melichar, Martin (1572) | Lost 1-2 | -201675 |
| 5extended | 130 | Tochacek, Daniel (1538) | Lost 1-2 | -201655 |
| 6extended | 173 | Grillat, Herve (1561) | Won 2-0 | +161671 |
| 7extended | 161 | Man, Chun Wah (1499) | Won 2-0 | +151686 |
| 8extended | 115 | Claessen, Tim (1469) | Lost 0-2 | -221664 |
| 9extended | 100 | Vozdecky, Lukas (1577) | Won 2-0 | +161680 |
| top | average opponent: 1536record: 3-3 | new rating: 1680 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1666 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 77 | Taylor, Eric (1628) | Lost 1-2 | -191647 |
| 5sealed | 123 | Cholet, Gregory (1507) | Lost 0-2 | -201627 |
| 6sealed | 115 | Schmidt, Heiko (1477) | Won 2-1 | +151642 |
| 7sealed | 94 | Vanrie, Wim (1526) | Won 2-1 | +161658 |
| 8sealed | 43 | da Costa Cabral, Bernardo (1875) | Won 2-1 | +221680 |
| 9sealed | 36 | Marceaux, Stephane (1561) | Won 2-0 | +151695 |
| top | average opponent: 1596record: 4-2 | new rating: 1695 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 244 | Schaller, Jan (1500) | Won 2-1 | +161642 |
| 2sealed | 93 | Andrle, Kurt (1519) | Won 2-1 | +161658 |
| 3sealed | 79 | Lerch, Matthias (1593) | Won 2-1 | +171675 |
| 4sealed | 93 | Weber, Antonin (1633) | Won 2-0 | +171692 |
| 5sealed | 8 | Kunic, Tomislav (1519) | Lost 1-2 | -211671 |
| 6sealed | 88 | Lippert, Christoph (1715) | Won 2-1 | +191690 |
| 7sealed | 57 | Over, Thomas (1564) | Lost 1-2 | -211669 |
| 8sealed | 100 | Rasir, Tobias (1612) | Won 2-0 | +171686 |
| 9sealed | 86 | Lencses, Andras (1542) | Lost 1-2 | -201666 |
| top | average opponent: 1577record: 6-3 | new rating: 1666 | ||
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 64 | Crippa, Marco (1517) | Won 2-0 | +161607 |
| 3block | 2 | Cotini, Renato (1535) | Won 2-1 | +171624 |
| 4block | 32 | Krutil, Daniel (1719) | Lost 1-2 | -161608 |
| 5block | 92 | Jurkovic, Robert (1657) | Won 2-0 | +191627 |
| 6block | 101 | Martin, Quentin (1702) | Lost 1-2 | -171610 |
| 7block | 91 | Klein, Christoph (1537) | Won 2-0 | +171627 |
| 8block | 43 | Vaisanen, Aarne (1607) | Won 2-0 | +171644 |
| 9block | 35 | Campiotti, Emanuele (1644) | Lost 1-2 | -181626 |
| top | average opponent: 1615record: 5-3 | new rating: 1626 | ||
| Grand Prix Zurich 2004 (Mirrodin block) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 4 | Hauchard, Francois (1500) | Won 2-1 | +171529 |
| 2block | 82 | Ballivet, Louis (1581) | Won 2-1 | +191548 |
| 3block | 95 | Ruess, Jan (1576) | Won 2-1 | +191567 |
| 4block | 34 | Rosner, Bodo (1627) | Won 2-1 | +191586 |
| 5block | 28 | Steinsdoerfer, Daniel (1865) | Won 2-1 | +231609 |
| 6block | 13 | Krutil, Daniel (1706) | Lost 0-2 | -161593 |
| 7block | 33 | Wimmer, Peter (1539) | Lost 1-2 | -191574 |
| 8block | 54 | Vizzari, Paolo (1526) | Won 2-1 | +171591 |
| top | average opponent: 1615record: 6-2 | new rating: 1591 | ||
| Grand Prix Brussels 2004 (DST standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 19 | Fatouros, Vasilis (1474) | Lost 0-2 | -191509 |
| 5standard | 82 | Sibast, Rasmus (1625) | Won 2-0 | +201529 |
| 6standard | 53 | Zidek, Arnost (1489) | Lost 0-2 | -191510 |
| 7standard | 134 | Berteaux, Julien (1571) | Lost 0-2 | -171493 |
| 8standard | 106 | Thil, Michael (1520) | Won 2-1 | +191512 |
| top | average opponent: 1536record: 2-3 | new rating: 1512 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 237 | Zombori, Csaba (1425) | Won 2-0 | +171517 |
| 2sealed | 96 | Le Henanf, Marc (1607) | Won 2-0 | +191536 |
| 3sealed | 66 | Skampa, Jan (1529) | Won 2-0 | +181554 |
| 4sealed | 59 | Scholz, Florian (1683) | Lost 0-2 | -151539 |
| 5sealed | 140 | Mifsud Tommasi, Patrick (1576) | Lost 0-2 | -181521 |
| 6sealed | 177 | Wiegersma, Jelger (1987) | Lost 1-2 | -101511 |
| 7sealed | 233 | Zysset, Peter (1428) | Won 2-1 | +171528 |
| top | average opponent: 1605record: 4-3 | new rating: 1528 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Chamet, Chafiz (1500) | Won 2-1 | +181518 |
| 2sealed | 62 | Dvorak, Jiri 0396 (1521) | Won 2-1 | +181536 |
| 3sealed | 61 | Hulle, Tomas (1535) | Lost 1-2 | -181518 |
| 4sealed | 178 | Chlupac, Zdenek (1518) | Lost 1-2 | -181500 |
| top | average opponent: 1519record: 2-2 | new rating: 1500 | ||