Kosmidis, Jon
Current rating: 1633
Record: 11-5-2 (GP) / 41-37-7 (professional)
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1652 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 18 | Moreau, Francois (1699) | Lost 1-2 | -171635 |
| 4sealed | 133 | van der Vegt, Jan (1465) | Won 2-1 | +151650 |
| 5sealed | 94 | Benedikt, Stefan (1457) | Won 2-0 | +151665 |
| 6sealed | 50 | Tomelitsch, Patrick (1817) | Lost 0-2 | -161649 |
| 7sealed | 64 | Nahodil, Petr (1760) | Lost 1-2 | -161633 |
| top | average opponent: 1640record: 2-3 | new rating: 1633 | ||
| 2005 World Championship (mixed) | starting rating: 1761 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 26 | Takac, Marian (1499) | Lost 0-1 | -231738 |
| 2standard | 80 | Petric Maretic, Grgur (1716) | Won 2-1 | +181756 |
| 3standard | 105 | Ogura, Ryou (1933) | Lost 1-2 | -151741 |
| 4standard | 90 | Arneson, Oystein (1499) | Lost 1-2 | -221719 |
| 5standard | 124 | van Noordenburg, Douwe (1458) | Lost 0-2 | -231696 |
| 6standard | 127 | Pena Lopez, Sergio (1442) | Won 2-0 | +131709 |
| 7draft | 65 | Edel, Willy (1533) | Won 2-1 | +151724 |
| 8draft | 79 | Klaric, Ivan (1500) | Won 2-0 | +141738 |
| 9draft | 127 | Patnik, Michael (1499) | Lost 0-2 | -221716 |
| 10draft | 39 | Skampa, Jan (1623) | Won 2-1 | +161732 |
| 11draft | 20 | Thompson, Gerry (1721) | Lost 1-2 | -181714 |
| 12draft | 105 | West, Nicholas (1700) | Lost 0-2 | -181696 |
| 13extended | 106 | Shlyakhov, Yaroslav (1495) | Lost 1-2 | -221674 |
| 14extended | 110 | Surapanpitak, Chet (1462) | Lost 1-2 | -221652 |
| top | average opponent: 1577record: 5-9 | new rating: 1652 | ||
| Pro Tour Los Angeles 2005 (extended) | starting rating: 1791 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 65 | Faure, Stephane (1613) | Won 2-1 | +151806 |
| 2extended | 48 | Stoddard, Samuel (1484) | Lost 1-2 | -241782 |
| 3extended | 125 | O'Connell, Alexander (1586) | Won 2-1 | +151797 |
| 4extended | 75 | Smith, Don (1614) | Won 2-0 | +141811 |
| 5extended | 42 | Osawa, Takuya (1843) | Lost 1-2 | -171794 |
| 6extended | 53 | Chambers, Adam (1612) | Lost 1-2 | -211773 |
| 7extended | 66 | Oiso, Masashi (2120) | Lost 1-2 | -121761 |
| top | average opponent: 1696record: 3-4 | new rating: 1761 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1701 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 140 | Fritz Kunc, Ziga (1598) | Draw 1-1 | -21699 |
| 4sealed | 113 | Lukaszyk, Tomasz (1538) | Won 2-1 | +151714 |
| 5sealed | 56 | Nommensen, Knud (1521) | Won 2-1 | +151729 |
| 6sealed | 29 | Huts, Roy (1504) | Draw 1-1 | -41725 |
| 7sealed | 73 | Iliev, Ilian (1542) | Lost 0-2 | -221703 |
| 8sealed | 130 | Twitchen, Benjamin (1669) | Won 2-1 | +181721 |
| 9sealed | 87 | Stanek, Ondrej (1538) | Won 2-0 | +151736 |
| 10rochester | 15 | Lencses, Andras (1563) | Won 2-0 | +141750 |
| 11rochester | 21 | Lampert, Csaba (1614) | Won 2-0 | +161766 |
| 12rochester | 26 | Vila, Ferran (1714) | Lost 1-2 | -191747 |
| 13rochester | 24 | Iliev, Ilian (1593) | Won 2-0 | +151762 |
| 14rochester | 9 | Schaap, Sander (1565) | Won 2-1 | +151777 |
| 15rochester | 11 | Widuch, Piotr (1582) | Won 2-1 | +141791 |
| top | average opponent: 1580record: 9-2-2 | new rating: 1791 | ||
| Pro Tour Amsterdam 2004 (MRD rochester) | starting rating: 1701 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 169 | Schneider, Justin (1829) | Won 2-1 | +201721 |
| 2rochester | 66 | Canavesi, Emanuele (1855) | Won 2-0 | +211742 |
| 3rochester | 26 | Hamon, Yann (2201) | Lost 1-2 | -111731 |
| 4rochester | 52 | Linder, David (1896) | Lost 0-2 | -151716 |
| 5rochester | 24 | De Rosa, Antonino (1861) | Lost 1-2 | -151701 |
| top | average opponent: 1929record: 2-3 | new rating: 1701 | ||
| 2003 World Championship (mixed) | starting rating: 1740 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Lee, Ji-Hoon (1622) | Draw 1-1 | -21738 |
| 2standard | 53 | Lee, Sang-Ryeol (1490) | Won 2-0 | +141752 |
| 3standard | 24 | Jocumsen, Bjorn (1673) | Draw 1-1 | -21750 |
| 4standard | 140 | Chang, Chih-Hsiang (1717) | Draw 1-1 | 01750 |
| 5standard | 117 | Mihara, Makihito (1745) | Lost 0-2 | -181732 |
| 6standard | 103 | Dato, Federico (1685) | Lost 0-2 | -191713 |
| 7rochester | 119 | Idelchik, Andrey (1517) | Won 2-1 | +141727 |
| 8rochester | 58 | da Costa Cabral, Bernardo (1741) | Lost 0-2 | -171710 |
| 9rochester | 115 | Jensen, Thomas Dall (1602) | Lost 0-2 | -201690 |
| 10rochester | 44 | Kimchi, Baruchi (1391) | Won 2-0 | +121702 |
| 11rochester | 7 | Swannack, Cole (1596) | Won 2-0 | +161718 |
| 12rochester | 93 | Trevilyan, Bryce (1569) | Won 2-0 | +161734 |
| 13extended | 22 | Kibler, Brian (1951) | Lost 1-2 | -141720 |
| 14extended | 86 | Tenenbaum, Amiel (1683) | Lost 1-2 | -191701 |
| top | average opponent: 1641record: 5-6-3 | new rating: 1701 | ||
| 2003 European Championship (mixed) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 40 | Prondzynski, Mateusz (1509) | Won 2-1 | +161628 |
| 2standard | 39 | Akritas, Pavlos (1671) | Won 2-0 | +191647 |
| 3standard | 31 | Schreurs, Jos (1841) | Lost 0-2 | -151632 |
| 4rochester | 75 | Kapalas, Georgios (1650) | Lost 1-2 | -171615 |
| 5rochester | 73 | Beduzzi, David (1566) | Won 2-1 | +171632 |
| 6rochester | 115 | Mellaerts, Damien (1582) | Won 2-0 | +171649 |
| 7rochester | 43 | Dato, Federico (1617) | Lost 0-2 | -191630 |
| 8rochester | 2 | Turner, William (1578) | Won 2-0 | +171647 |
| 9rochester | 105 | Idzikovsky, Eugene (1609) | Won 2-0 | +181665 |
| 10rochester | 27 | Malakhov, Aleksey (1584) | Won 2-0 | +161681 |
| 11standard | 21 | Zatlkaj, Matej (1733) | Won 2-0 | +191700 |
| 12standard | 10 | Blech, Reinhard (1743) | Won 2-0 | +191719 |
| 13standard | 7 | Barrado, Carlos (1906) | Won 2-0 | +211740 |
| 14standard | 3 | Eskeland, Sigurd (1928) | ID | 01740 |
| top | average opponent: 1680record: 10-3-1 | new rating: 1740 | ||
| Pro Tour Yokohama 2003 (LGN draft) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 46 | Roux, Sebastien (1564) | Lost 0-2 | -191577 |
| 2draft | 54 | Yamagishi, Yuichi (1597) | Lost 0-2 | -171560 |
| 3draft | 56 | Kashima, Akihiro (1782) | Lost 0-2 | -141546 |
| 4draft | 33 | Koss, Chad (1494) | Won 2-1 | +171563 |
| 5draft | 105 | Takahashi, Kenji (1558) | Won 2-1 | +181581 |
| 6draft | 32 | King, Michael (1491) | Won 2-0 | +161597 |
| 7draft | 65 | Lee, Sung-Bum (1438) | Won 2-1 | +151612 |
| top | average opponent: 1560record: 4-3 | new rating: 1612 | ||
| Pro Tour Venice 2003 (Onslaught block) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 20 | Stors, James (1501) | Lost 1-2 | -201571 |
| 2block | 120 | Nai, Enrico (1490) | Draw 1-1 | -11570 |
| 3block | 118 | Sonne, Jonathan (1646) | Won 2-0 | +191589 |
| 4block | 79 | Fiore, Stefano (1880) | Won 2-0 | +231612 |
| 5block | 48 | Chan, Tiago (1748) | Draw 1-1 | +31615 |
| 6block | 74 | Chapela, Gustavo (1557) | Lost 1-2 | -191596 |
| top | average opponent: 1637record: 2-2-2 | new rating: 1596 | ||
| Pro Tour Chicago 2003 (ONS rochester) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 111 | Wiegersma, Jelger (1908) | Lost 1-2 | -131611 |
| 2rochester | 130 | Bonomo, Justin (1458) | Won 2-0 | +161627 |
| 3rochester | 121 | Perez Fresnedo, Javier (1642) | Lost 1-2 | -181609 |
| 4rochester | 125 | Courtois, Frederic (1787) | Won 2-0 | +211630 |
| 5rochester | 111 | Kassis, Eli (1572) | Lost 1-2 | -191611 |
| 6rochester | 57 | van Heeswijk, Roel (1494) | Lost 0-2 | -201591 |
| top | average opponent: 1643record: 2-4 | new rating: 1591 | ||
| Pro Tour Houston 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 6 | Lauriol, Sylvain (1731) | Won 2-0 | +221522 |
| 2extended | 15 | Mason, Jim (1527) | Won 2-1 | +181540 |
| 3extended | 12 | Wolf, Andrew (1752) | Lost 1-2 | -141526 |
| 4extended | 75 | Rubin, Matthew (1818) | Won 2-1 | +231549 |
| 5extended | 25 | Rubin, Benjamin (1804) | Won 2-0 | +231572 |
| 6extended | 9 | Giacolini, Emanuele (1571) | ID | 01572 |
| 7extended | 20 | Seville, Scott (1628) | Won 2-0 | +191591 |
| 8extended | 13 | Galimbertti, Victor (1704) | Lost 0-2 | -161575 |
| 9extended | 27 | Guevin, Thomas (1884) | Draw 1-1 | +51580 |
| 10extended | 28 | Senhouse, Chris (1682) | Lost 0-2 | -161564 |
| 11extended | 38 | Howden, Jason (1601) | Won 2-0 | +191583 |
| 12extended | 28 | Sixkiller, Jimbob (1577) | Won 2-0 | +181601 |
| 13extended | 21 | Pechon, Jonathan (1815) | Draw 1-1 | +41605 |
| 14extended | 27 | Walls, Gabe (1707) | Won 2-1 | +191624 |
| top | average opponent: 1700record: 8-3-3 | new rating: 1624 | ||