Derdak, Christoph
Current rating: 1644
Record: 35-27-1 (GP) / 16-15 (professional)
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 67 | Porojan, Raul (1421) | Won 2-0 | +141678 |
| 4sealed | 20 | Ta, Luc (1765) | Lost 0-2 | -171661 |
| 5sealed | 93 | Reiter, Micha (1787) | Won 2-1 | +211682 |
| 6sealed | 30 | Mueller, Andre (1665) | Lost 0-2 | -191663 |
| 7sealed | 61 | Aubert, Alban (1576) | Lost 0-2 | -191644 |
| top | average opponent: 1643record: 2-3 | new rating: 1644 | ||
| Grand Prix Nottingham 2005 (RAV limited) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 83 | Engvik, Tommy (1504) | Won 2-1 | +161625 |
| 3sealed | 36 | Bonnotte, Julien (1620) | Lost 0-2 | -181607 |
| 4sealed | 136 | Paterson, Scott (1519) | Won 2-1 | +171624 |
| 5sealed | 43 | Kohl, Reinhold (1674) | Won 2-0 | +181642 |
| 6sealed | 41 | Eigner, Nikolaus (1906) | Lost 1-2 | -131629 |
| 7sealed | 104 | Beduzzi, David (1694) | Won 2-1 | +191648 |
| 8sealed | 45 | Bogliotti, Marco (1521) | Won 2-0 | +161664 |
| top | average opponent: 1634record: 5-2 | new rating: 1664 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 18 | Grossi, Riccardo (1500) | Lost 1-2 | -201610 |
| 4sealed | 131 | Marchet, Cedric (1487) | Won 2-0 | +161626 |
| 5sealed | 67 | Marciniszyn, Michal (1712) | Lost 1-2 | -171609 |
| 6sealed | 102 | Verno, Gianluca (1494) | Won 2-0 | +161625 |
| 7sealed | 90 | Reitbauer, David (1730) | Lost 0-2 | -161609 |
| top | average opponent: 1585record: 2-3 | new rating: 1609 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 81 | Panteleit, Markus (1476) | Won 2-1 | +171573 |
| 3sealed | 52 | Magera, Markus (1633) | Won 2-0 | +191592 |
| 4sealed | 71 | van den Brink, Peter (1566) | Won 2-1 | +171609 |
| 5sealed | 2 | Holzweiss, Ralf (1638) | Lost 0-2 | -171592 |
| 6sealed | 57 | Schneider, Daniel [DEU] (1464) | Won 2-1 | +161608 |
| 7sealed | 23 | Munhoz, Artur (1607) | Won 2-1 | +181626 |
| 8sealed | 26 | Baglin, Arnaud (1590) | Lost 1-2 | -191607 |
| 9sealed | 40 | Girodroux, Pierre (1696) | Won 2-0 | +201627 |
| 10rochester | 24 | Massart, Philippe (1680) | Won 0-0 | +191646 |
| 11rochester | 47 | Martins, Joao (1761) | Lost 0-0 | -161630 |
| 12rochester | 38 | Carboni, Simone (1683) | Won 0-0 | +191649 |
| 13rochester | 46 | Nessler, Michael (1633) | Lost 0-2 | -191630 |
| top | average opponent: 1619record: 8-4 | new rating: 1630 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 90 | Schechtl, Leonard (1572) | Lost 0-2 | -181556 |
| top | record: 0-1 | new rating: 1556 | ||
| Grand Prix Brussels 2004 (DST standard) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 49 | Nurse, Michael (1326) | Won 2-0 | +131625 |
| 5standard | 13 | Dolstra, Menno (1669) | Won 2-1 | +181643 |
| 6standard | 19 | Juza, Martin (1571) | Won 2-1 | +171660 |
| 7standard | 10 | Krautmann, Wenzel (1783) | Lost 1-2 | -161644 |
| 8standard | 25 | Verhulst, Johan (1653) | ID | 01644 |
| 9standard | 26 | Verhulst, Johan (1653) | Lost 1-2 | -181626 |
| 10standard | 9 | Roux, Sebastien (1738) | Lost 0-2 | -151611 |
| 11standard | 19 | Deligio, Luciano (1515) | Won 2-0 | +161627 |
| 12standard | 27 | Groothuizen, Matthijs (1511) | Lost 0-2 | -201607 |
| 13standard | 16 | Brucker, David (1875) | Lost 1-2 | -141593 |
| 14standard | 1 | Sanchez Diaz, Ruben (1531) | Lost 1-2 | -191574 |
| top | average opponent: 1621record: 4-6-1 | new rating: 1574 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 270 | Rohland, Lukas (1460) | Lost 1-2 | -201568 |
| 2sealed | 379 | Kofler, Kurt (1558) | Lost 0-2 | -191549 |
| 3sealed | 421 | Mertz, Ly (1428) | Won 2-0 | +161565 |
| 4sealed | 404 | Oehler, Martin (1448) | Won 2-1 | +161581 |
| 5sealed | 259 | Groth, Timo (1500) | Lost 0-2 | -191562 |
| 6sealed | 295 | Scherer, Florian (1482) | Won 2-1 | +161578 |
| 7sealed | 236 | Hanisch, Daniel (1501) | Draw 1-1 | -11577 |
| 8sealed | 175 | Holtin, Karsten (1507) | Won 2-0 | +171594 |
| 9sealed | 129 | Mazzurco, Carlo (1604) | Won 2-0 | +181612 |
| top | average opponent: 1499record: 5-3-1 | new rating: 1612 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 320 | Hurek, Pavel (1500) | Won 2-0 | +161609 |
| 2sealed | 88 | Leitgeb, Marco (1518) | Won 2-1 | +171626 |
| 3sealed | 98 | Vilm, Jerome (1496) | Lost 1-2 | -211605 |
| 4sealed | 155 | Leander, Erik (1633) | Lost 0-2 | -171588 |
| top | average opponent: 1537record: 2-2 | new rating: 1588 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 139 | Rolla, Riccardo (1570) | Lost 0-2 | -181559 |
| 3sealed | 148 | Ruzizka, Ernst (1527) | Won 2-0 | +171576 |
| 4sealed | 95 | Nahodil, Petr (1558) | Won 2-0 | +181594 |
| 5sealed | 53 | van der Velden, Stan (1639) | Won 2-1 | +191613 |
| 6sealed | 56 | Comte, Florian (1537) | Lost 1-2 | -201593 |
| top | average opponent: 1566record: 3-2 | new rating: 1593 | ||
| Pro Tour New York 2000 (Masques block) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 54 | Alvarez Leoni, Omar (1618) | Lost 0-2 | -181579 |
| 2block | 128 | Elarre, Ignacio (1481) | Won 2-1 | +161595 |
| 3block | 58 | van de Logt, Tom (1548) | Lost 0-2 | -191576 |
| 4block | 120 | Benafel, Chris (1658) | Lost 0-2 | -161560 |
| 5block | 133 | Nakamura, Satoshi (1533) | Won 2-1 | +171577 |
| 6block | 100 | Gysemans, Peter (1492) | Won 2-1 | +171594 |
| 7block | 69 | Fujita, Tsuyoshi (1650) | Lost 0-2 | -171577 |
| top | average opponent: 1569record: 3-4 | new rating: 1577 | ||
| 1999 World Championship (mixed) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Zagalsky, Alejo (1500) | Lost 0-0 | -181494 |
| 2standard | 84 | Simao Teixeira, Eduardo (1482) | Won 0-0 | +181512 |
| 3standard | 39 | Effendi, Yopi (1507) | Won 0-0 | +171529 |
| 4standard | 16 | Hunka, John (1565) | Lost 0-0 | -171512 |
| 5standard | 49 | Yu, Dino (1502) | Lost 0-2 | -181494 |
| 6standard | 66 | Brown-Santirso, Damian (1439) | Won 0-0 | +171511 |
| 7rochester | 51 | McCarrel, Casey (1798) | Lost 0-0 | -131498 |
| 8rochester | 72 | Kronstrand, Hans-Ole (1434) | Won 0-0 | +171515 |
| 9rochester | 56 | Gonzales, Felix (1505) | Lost 0-0 | -181497 |
| 10rochester | 71 | Firsov, Konstantin (1483) | Won 0-0 | +171514 |
| 11rochester | 25 | Dominguez Ramos, Alejandro (1392) | Won 0-0 | +161530 |
| 12rochester | 78 | Maher, Bob (1638) | Won 0-0 | +201550 |
| 13extended | 30 | Mowshowitz, Zvi (1835) | Won 0-0 | +231573 |
| 14extended | 25 | Rose, Kyle (1713) | Lost 0-0 | -151558 |
| 15extended | 28 | Bedoucha, William Francois (1546) | Won 0-0 | +181576 |
| 16extended | 20 | Shing Hong, Ngan (1570) | Won 0-0 | +171593 |
| 17extended | 17 | Comer, Alan (1750) | Won 0-0 | +211614 |
| 18extended | 10 | Hamon, Yann (1626) | Lost 0-0 | -171597 |
| top | average opponent: 1571record: 11-7 | new rating: 1597 | ||
| 1999 European Championship (mixed) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Darcan, Onur (1500) | Lost 1-2 | -191534 |
| 2standard | 93 | De Robien, Gael (1482) | Won 2-0 | +171551 |
| 3standard | 65 | Smrek, Juraj (1580) | Won 2-0 | +191570 |
| 4standard | 27 | Leppert, Stefan (1476) | Lost 0-2 | -201550 |
| 5standard | 70 | Asp, Ken (1504) | Lost 1-2 | -191531 |
| 6standard | 84 | Starnini, Matteo (1466) | Lost 0-0 | -191512 |
| top | average opponent: 1501record: 2-4 | new rating: 1512 | ||
| Grand Prix Vienna 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 71 | Wetzl, Roland (1500) | Won 0-0 | +181518 |
| 2extended | 47 | Zoubal, Frantisek (1500) | Won 0-0 | +181536 |
| 3extended | 35 | Szabolcs, Toszegi (1536) | Won 0-0 | +181554 |
| 4extended | 58 | Glasner, Richard (1518) | Won 0-0 | +171571 |
| 5extended | 8 | Lawrenz, Thomas (1572) | ID | 01571 |
| 6extended | 11 | Stanoev, Ivan (1578) | Lost 0-0 | -181553 |
| top | average opponent: 1534record: 4-1-1 | new rating: 1553 | ||