Zdanys, Kostas
Current rating: 1608
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1649 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 12 | Farago, Balazs (1500) | Lost 1-2 | -201629 |
| 2standard | 353 | Vurnek, Kresimir (1482) | Lost 0-2 | -211608 |
| 3standard | 633 | Brenner, Johannes (1465) | Lost 1-2 | -211587 |
| 4standard | 691 | Loffler, Bernhard (1445) | Lost 1-2 | -201567 |
| 5standard | 668 | Kotzurek, Jaromir (1428) | Won 2-1 | +151582 |
| 6standard | 609 | Mohr, Gerrit (1451) | Won 2-1 | +161598 |
| 7standard | 511 | Gerhardt, Rostislav (1435) | Won 2-0 | +151613 |
| 8standard | 420 | Mondani, Andrea (1467) | Won 2-1 | +151628 |
| 9standard | 99 | Larsson, Daniel (1521) | Lost 0-2 | -201608 |
| top | average opponent: 1466record: 4-5 | new rating: 1608 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 114 | Richter, Dennis (1485) | Won 2-1 | +181535 |
| 3standard | 56 | Fromberg, Michael (1530) | Lost 0-2 | -181517 |
| 4standard | 252 | Almemo, Fredrik (1434) | Won 2-1 | +161533 |
| 5standard | 106 | Vrankenne, Vincent (1538) | Won 2-0 | +181551 |
| 6standard | 91 | Pereira, Vitor (1469) | Won 2-0 | +171568 |
| 7standard | 32 | Angelmahr, Thomas (1567) | Won 2-0 | +181586 |
| 8standard | 17 | Demmel, David (1597) | Won 2-0 | +181604 |
| 9standard | 12 | Garchery, Quentin (1711) | Lost 1-2 | -161588 |
| 10standard | 80 | Manders, Mitchell (1618) | Won 2-0 | +191607 |
| 11standard | 21 | Brenner, Martin (1684) | Lost 0-2 | -171590 |
| 12standard | 54 | Matull, Milan (1655) | Lost 1-2 | -171573 |
| 13standard | 67 | Pfaffenbach, Sven (1579) | Won 2-0 | +181591 |
| 14standard | 57 | Leib, Jochen (1563) | Won 2-0 | +181609 |
| 15standard | 44 | Festre, Chris (1631) | Won 2-1 | +181627 |
| 16standard | 35 | Dominguez, Javier (1866) | Won 2-1 | +221649 |
| top | average opponent: 1595record: 11-4 | new rating: 1649 | ||
| Grand Prix Lille 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Helart, Emmanuel (1500) | Won 2-0 | +181518 |
| 2standard | 38 | Porcel, Vincent (1518) | Lost 1-2 | -181500 |
| 3standard | 225 | Saudek, Lucien (1522) | Lost 1-2 | -181482 |
| 4standard | 300 | de Haan, Floris (1605) | Won 2-1 | +211503 |
| 5standard | 262 | Chalubert, Antoine (1435) | Lost 1-2 | -201483 |
| 6standard | 254 | Weiss, Johannes (1485) | Lost 1-2 | -181465 |
| 7standard | 266 | Rubi, Jean-Francois (1405) | Won 2-0 | +171482 |
| 8standard | 210 | Schneider, Flavian (1475) | Won 2-0 | +181500 |
| 9standard | 177 | Foret, Laurent (1461) | Won 2-1 | +171517 |
| top | average opponent: 1490record: 5-4 | new rating: 1517 | ||