Kosa, Zoltan
Current rating: 1720 (#5313)
Record: 41-29-1
| Regional Championships Naples 2023 (ONE standard) | starting rating: 1778 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 178 | Colangelo, Gianluca (1558) | Lost 0-2 | -221756 |
| 2standard | 217 | Tuinstra, Sebastiaan (1627) | Lost 1-2 | -211735 |
| 3standard | 205 | Ozan Atik, Pertev (1470) | Won 2-1 | +141749 |
| 4standard | 184 | Corona, Luigi (1527) | Won 2-0 | +141763 |
| 5standard | 141 | Dupuy de Lome, Alejandro (1681) | Lost 0-2 | -201743 |
| 6standard | 170 | Oncina, Adolfo (1451) | Lost 1-2 | -231720 |
| top | average opponent: 1552record: 2-4 | new rating: 1720 | ||
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1747 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 199 | Kooter, Toine (1439) | Won 2-0 | +131760 |
| 2pioneer | 145 | Noguez Aignasse, Jason (1674) | Won 2-1 | +161776 |
| 3pioneer | 314 | Porten, Andreas (1580) | Won 2-0 | +151791 |
| 4pioneer | 7 | Silva, Marco (1696) | Won 2-1 | +161807 |
| 5pioneer | 65 | Also, Albert (1438) | Won 2-0 | +121819 |
| 6pioneer | 17 | Dosimont, Amand (1906) | Lost 0-2 | -171802 |
| 7pioneer | 66 | Staples, James (1623) | Won 2-0 | +151817 |
| 8pioneer | 44 | El-Lakany, Amin (1596) | Won 2-1 | +141831 |
| 9pioneer | 30 | Hautot, Mathieu (2049) | Won 2-1 | +221853 |
| 10pioneer | 11 | Martin, Maxime (1874) | Lost 1-2 | -181835 |
| 11pioneer | 34 | Nguyen, Thien (1877) | Lost 0-2 | -171818 |
| 12pioneer | 52 | Fortunati, Andrea (1606) | Lost 0-2 | -221796 |
| 13pioneer | 102 | Traarbach, Charly (1712) | Won 2-1 | +171813 |
| 14pioneer | 87 | Granger, Theophile (1774) | Lost 0-2 | -191794 |
| 15pioneer | 95 | Golubkin, Sergey (1891) | Lost 0-2 | -161778 |
| top | average opponent: 1716record: 9-6 | new rating: 1778 | ||
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 395 | Gotz, Maximilian (1500) | Won 2-0 | +161632 |
| 2sealed | 494 | Dobber, Justin (1519) | Won 2-0 | +161648 |
| 3sealed | 298 | Van Der Poel, Rob (1555) | Won 2-0 | +161664 |
| 4sealed | 158 | Bossy, Gaetan (1869) | Won 2-0 | +221686 |
| 5sealed | 67 | Wright, Joe [ENG] (1616) | Won 2-0 | +171703 |
| 6sealed | 23 | Rouar, Julien (1782) | Lost 0-2 | -171686 |
| 7sealed | 42 | Van Gijssel, Paulus (1580) | Won 2-0 | +161702 |
| 8sealed | 59 | Obels, Andreas (1730) | Won 2-1 | +191721 |
| 9sealed | 209 | Calligaro, Laurent (1731) | Lost 1-2 | -181703 |
| 10draft | 98 | Hulten, Alexander (1843) | Won 2-0 | +201723 |
| 11draft | 46 | Guglielmini, Enrico (1824) | Lost 0-2 | -161707 |
| 12draft | 95 | Hyttel, Lucas (1795) | Lost 0-2 | -161691 |
| 13draft | 95 | Delavy, Theophile (1879) | Won 2-0 | +211712 |
| 14draft | 69 | Scolpito, Teo (1456) | Won 2-0 | +141726 |
| 15draft | 92 | Box, Jesper (1929) | Won 2-1 | +211747 |
| top | average opponent: 1707record: 11-4 | new rating: 1747 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 829 | Kuhrt, Oliver (1500) | Won 2-0 | +171565 |
| 2sealed | 965 | Sudnik, Piotr (1518) | Won 2-1 | +181583 |
| 3sealed | 222 | Krejsa, Tomas (1698) | Won 2-1 | +201603 |
| 4sealed | 246 | Biasio, Stefano (1851) | Lost 1-2 | -141589 |
| 5sealed | 465 | Boinet, Eric (1686) | Lost 0-2 | -161573 |
| 6sealed | 499 | Body, John (1538) | Won 2-0 | +171590 |
| 7sealed | 250 | Neubacher, Lauritz (1513) | Won 2-1 | +171607 |
| 8sealed | 325 | Yatsenko, Alex (1549) | Won 2-1 | +171624 |
| 9sealed | 731 | Famiani, Guglielmo (1760) | Won 2-0 | +201644 |
| 10draft | 633 | Boehmler, Aaron (1760) | Lost 0-2 | -161628 |
| 11draft | 629 | Maubert, Noham (1935) | Won 2-1 | +241652 |
| 12draft | 635 | De Castro Sanchez, Ivan (1870) | Lost 1-2 | -141638 |
| 13draft | 748 | Nuijten, Julien (1927) | Draw 1-1 | +51643 |
| 14draft | 694 | Rothen, Christian (1849) | Lost 1-2 | -151628 |
| 15draft | 622 | Konieczny, Dominik (1940) | Lost 1-2 | -121616 |
| top | average opponent: 1726record: 8-6-1 | new rating: 1616 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1211 | Ben Abu, Ariel (1500) | Won 2-0 | +171582 |
| 2sealed | 1151 | Pritsch, Max (1824) | Lost 1-2 | -141568 |
| 3sealed | 1383 | Meijer, Ben (1500) | Won 2-0 | +171585 |
| 4sealed | 1239 | Verdiani, Luca (1655) | Lost 0-2 | -171568 |
| 5sealed | 1315 | Buchte, Danilo (1466) | Lost 0-2 | -201548 |
| top | average opponent: 1589record: 2-3 | new rating: 1548 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 416 | Kooij, Arjan (1500) | Lost 1-2 | -191552 |
| 2standard | 377 | Schomann, Christoph (1429) | Lost 1-2 | -201532 |
| 3standard | 696 | Grigull, Michael (1465) | Won 2-1 | +161548 |
| 4standard | 675 | Bohnstedt, Lutz (1521) | Won 2-1 | +181566 |
| 5standard | 525 | Beranek, Tomas (1574) | Won 2-0 | +181584 |
| 6standard | 369 | Hungenberg, Timo (1522) | Lost 1-2 | -191565 |
| top | average opponent: 1502record: 3-3 | new rating: 1565 | ||
| Grand Prix Antwerp 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 362 | de Beurs, Anne (1500) | Won 2-1 | +181518 |
| 2modern | 154 | Huss, Thibaut (1499) | Won 2-1 | +181536 |
| 3modern | 237 | Ferber, Mario (1505) | Won 2-1 | +171553 |
| 4modern | 91 | Cibak, Andrea (1714) | Won 2-1 | +211574 |
| 5modern | 46 | Molle, Niels (1581) | Won 2-0 | +181592 |
| 6modern | 23 | Stone, Dennis (1837) | Won 2-0 | +221614 |
| 7modern | 7 | Sormani, Reto (1780) | Lost 1-2 | -151599 |
| 8modern | 46 | Lemeret, Benjamin (1645) | Lost 0-2 | -171582 |
| 9modern | 108 | Cifka, Stanislav (1975) | Lost 0-2 | -111571 |
| top | average opponent: 1671record: 6-3 | new rating: 1571 | ||