Zorko, Robert
Current rating: 1487
| Grand Prix Prague 2017 (AER limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 589 | Verwoerd, Jeffrey (1488) | Lost 0-2 | -191482 |
| 2sealed | 666 | Dirkx, Michael (1482) | Won 2-1 | +181500 |
| 3sealed | 499 | Raker, Sascha (1606) | Draw 1-1 | +21502 |
| 4sealed | 655 | Hedlund, Anton (1558) | Lost 0-2 | -171485 |
| 5sealed | 775 | Marciniak, Jaroslaw (1573) | Won 2-0 | +201505 |
| 6sealed | 603 | Pelzl, Michael (1535) | Lost 1-2 | -181487 |
| top | average opponent: 1540record: 2-3-1 | new rating: 1487 | ||
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 382 | Boissiere, Florian (1622) | Lost 0-1 | -151466 |
| 2sealed | 508 | Martinez, Fabio (1482) | Won 2-1 | +181484 |
| 3sealed | 649 | Bonet, Irene (1441) | Won 2-0 | +171501 |
| 4sealed | 314 | Jones, Toby (1582) | Won 2-0 | +201521 |
| 5sealed | 328 | Flores Silva, Mario Alejandro (1918) | Lost 0-2 | -111510 |
| 6sealed | 365 | Lopez, Daniel [ESP] (1600) | Won 2-1 | +191529 |
| 7sealed | 229 | Yunge, Gonzalo (1604) | Lost 1-2 | -161513 |
| 8sealed | 514 | Zimmermann, Martin (1840) | Lost 0-2 | -121501 |
| top | average opponent: 1636record: 4-4 | new rating: 1501 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 412 | Van der Gucht, Robbert (1561) | Won 2-1 | +191519 |
| 2sealed | 113 | Claus, Alexander (1540) | Won 2-0 | +191538 |
| 3sealed | 166 | Lee, Nai Jai (1478) | Lost 0-2 | -201518 |
| 4sealed | 343 | Libert, Julien (1399) | Lost 0-2 | -201498 |
| 5sealed | 448 | Dielen, Glenn (1557) | Lost 0-2 | -171481 |
| top | average opponent: 1507record: 2-3 | new rating: 1481 | ||