Vernikos, Constantine
Current rating: 1675
Record: 19-17-2 (GP) / 27-20 (professional)
| Regional Championships Athens 2023 (pioneer) | starting rating: 1744 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 215 | Kanelis, Pavlos (1569) | Won 2-0 | +151759 |
| 2pioneer | 55 | Korosis, Dimitris (1457) | Lost 1-2 | -231736 |
| 3pioneer | 60 | Montefiori, Giovanni (1791) | Lost 1-2 | -171719 |
| 4pioneer | 187 | Gruber, Benedikt (1506) | Lost 0-2 | -221697 |
| 5pioneer | 176 | Bauer, Benjamin (1477) | Lost 0-2 | -221675 |
| top | average opponent: 1560record: 1-4 | new rating: 1675 | ||
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1709 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 274 | Lacour, Jean-Philippe (1541) | Draw 1-1 | -31706 |
| 2sealed | 373 | De Franco, Davide (1439) | Draw 1-1 | -41702 |
| 3sealed | 711 | Moneta, Andrea (1500) | Won 2-0 | +141716 |
| 4sealed | 565 | Carnevale, Franco (1630) | Won 2-0 | +161732 |
| 5sealed | 384 | Kurkowski, Andrzej (1521) | Won 2-0 | +151747 |
| 6sealed | 243 | Wallner, Johann (1815) | Won 2-0 | +191766 |
| 7sealed | 145 | Schweizer, Michael (1730) | Won 2-0 | +171783 |
| 8sealed | 84 | Friberg, Jonas (1904) | Lost 0-2 | -161767 |
| 9sealed | 171 | Sossella, Fabio (1468) | Lost 1-2 | -231744 |
| top | average opponent: 1616record: 5-2-2 | new rating: 1744 | ||
| Grand Prix Rimini 2013 (M14 limited) | starting rating: 1748 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 53 | Capponcelli, Saverio (1500) | Lost 0-2 | -221726 |
| 2sealed | 317 | Oeslick, David (1536) | Lost 0-2 | -221704 |
| 3sealed | 425 | Diolaiuti, Alberto (1464) | Won 2-0 | +141718 |
| 4sealed | 402 | Vojacek-Sobczak, Sage (1481) | Won 2-0 | +141732 |
| 5sealed | 301 | Bigorne, Aurelien (1494) | Lost 0-2 | -231709 |
| top | average opponent: 1495record: 2-3 | new rating: 1709 | ||
| Pro Tour Avacyn Restored (Innistrad block) | starting rating: 1705 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 129 | Herdzina, Wojciech (1618) | Won 2-0 | +161721 |
| 2block | 3 | Simonot, Timothee (1815) | Won 2-1 | +201741 |
| 3block | 1 | McCaslin, Aaron (1708) | Won 2-0 | +171758 |
| 4block | 18 | Kirchbacher, Florian (1762) | Won 2-0 | +181776 |
| 5block | 3 | Kocsis, Gabor (1706) | Lost 0-2 | -191757 |
| 6draft | 64 | Ylioja, Ilkka-Aleksi (1581) | Won 2-1 | +151772 |
| 7draft | 49 | Babin, Kyle (1789) | Lost 0-2 | -181754 |
| 8draft | 22 | Cox, Patrick (1920) | Lost 1-2 | -151739 |
| 9draft | 112 | Brodzak, Jan (1935) | Lost 1-2 | -141725 |
| 10draft | 85 | Sommen, Pierre (1902) | Lost 1-2 | -151710 |
| 11draft | 97 | Moral, Carlos (1627) | Won 2-1 | +161726 |
| 12block | 80 | Yamazaki, Hiroyuki (1543) | Won 2-0 | +151741 |
| 13block | 69 | Friedman, Ben (1935) | Won 2-0 | +221763 |
| 14block | 45 | Jordan, Daniel (2010) | Won 2-1 | +221785 |
| 15block | 24 | Plocher, Justin (1637) | Lost 0-2 | -211764 |
| 16block | 45 | Goertzen, Simon (1850) | Lost 1-2 | -161748 |
| top | average opponent: 1771record: 9-7 | new rating: 1748 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1685 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 757 | Kleij, Rogier (1635) | Lost 1-2 | -191666 |
| 3legacy | 831 | Bom, Bernard (1501) | Won 2-0 | +151681 |
| 4legacy | 807 | Montanes Gonzalez, Juan A (1600) | Won 2-0 | +171698 |
| 5legacy | 708 | Posoiu, Mircea Adrian (1569) | Lost 1-2 | -211677 |
| 6legacy | 803 | Creazza, Antonio (1520) | Lost 0-2 | -201657 |
| 7legacy | 825 | Johnsen, John-Martin (1503) | Won 2-1 | +151672 |
| 8legacy | 774 | Efraimidis, Aris (1656) | Won 2-0 | +181690 |
| 9legacy | 717 | Lebrun, Benoit (1536) | Won 2-1 | +151705 |
| top | average opponent: 1565record: 5-3 | new rating: 1705 | ||
| Pro Tour Amsterdam 2010 (extended) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 179 | Bajgo, Boris (1482) | Won 2-1 | +141665 |
| 2extended | 33 | Kitayama, Masaya (1973) | Won 2-0 | +241689 |
| 3extended | 22 | Chan, Tiago (1667) | Won 2-1 | +181707 |
| 4extended | 9 | Cipolleschi, Francesco (1771) | Lost 1-2 | -171690 |
| 5extended | 62 | Jordan, Daniel (1697) | Lost 0-2 | -181672 |
| 6draft | 65 | Peck, Donnie (1739) | Won 2-0 | +191691 |
| 7draft | 145 | Kimura, Kazuaki (1827) | Won 2-1 | +211712 |
| 8draft | 124 | Kalf, Timo (1607) | Won 2-1 | +161728 |
| 9draft | 69 | Doise, Jan (1763) | Lost 0-2 | -181710 |
| 10draft | 10 | Kunzler, Matthias (1804) | Lost 1-2 | -161694 |
| 11draft | 3 | Kuo, Tzu-Ching (1999) | Won 2-0 | +231717 |
| 12extended | 35 | Boggemes, Kyle (1942) | Lost 1-2 | -141703 |
| 13extended | 56 | Duke, Ian (1693) | Lost 1-2 | -181685 |
| top | average opponent: 1766record: 7-6 | new rating: 1685 | ||
| 2009 World Championship (mixed) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 96 | Mihara, Makihito (1933) | Lost 1-2 | -111535 |
| 2standard | 165 | Pelekanos, Vangelis (1515) | Won 2-0 | +181553 |
| 3standard | 149 | Kuchenbecker, Sebastian (1498) | Won 2-1 | +171570 |
| 4standard | 30 | Dal Farra, Gionata (1645) | Won 2-0 | +191589 |
| 5standard | 21 | Zidek, Arnost (1740) | Won 2-0 | +211610 |
| 6standard | 10 | Techarattanaprasert, Mongkol (1819) | Won 2-0 | +221632 |
| 7draft | 164 | Juza, Martin (1980) | Lost 1-2 | -121620 |
| 8draft | 155 | Albert, Camille-Olivier (1681) | Lost 1-2 | -171603 |
| 9draft | 66 | Bucher, Manuel (1736) | Won 2-1 | +201623 |
| 10draft | 48 | Sim, Chapman (1767) | Lost 1-2 | -151608 |
| 11draft | 4 | Kjartansson, Halldor S (1564) | Won 2-1 | +171625 |
| 12draft | 51 | Disconzi, Romolo (1658) | Lost 1-2 | -171608 |
| 13extended | 46 | Stone, Dennis (1711) | Lost 0-2 | -161592 |
| 14extended | 66 | Erickson, Jens (1716) | Won 2-0 | +201612 |
| 15extended | 56 | Koltsov, Ivan (1566) | Won 2-1 | +171629 |
| 16extended | 34 | Mango, Gennaro (1677) | Won 2-1 | +191648 |
| 17extended | 28 | Summereder, Philipp (1744) | Lost 0-2 | -161632 |
| 18extended | 42 | Racz, Csaba (1685) | Won 2-1 | +191651 |
| top | average opponent: 1702record: 11-7 | new rating: 1651 | ||
| Grand Prix Athens 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 80 | Magganas, Giorgos (1518) | Won 2-0 | +181518 |
| 3sealed | 32 | Kolb, Markus (1665) | Won 2-0 | +211539 |
| 4sealed | 13 | Dam, Lars (1852) | Won 2-1 | +241563 |
| 5sealed | 5 | Pereira, Nuno J (1552) | Lost 1-2 | -191544 |
| 6sealed | 35 | Akritas, Pavlos (1640) | Lost 1-2 | -161528 |
| 7sealed | 78 | Bracht, Maximilian (1741) | Won 2-1 | +221550 |
| 8sealed | 54 | Zidek, Arnost (1781) | Won 2-0 | +221572 |
| 9draft | 32 | da Costa Cabral, Bernardo (1860) | Lost 0-2 | -131559 |
| 10draft | 21 | Borba, Rodrigo (1758) | Won 2-1 | +221581 |
| 11draft | 22 | Fonseca, Tiago (1640) | Lost 1-2 | -171564 |
| 12draft | 3 | Dingler, Martin (1593) | Lost 0-2 | -181546 |
| top | average opponent: 1691record: 6-5 | new rating: 1546 | ||