Zubko, Ilja
Current rating: 1542
Record: 13-11-2
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 20 | Jachna, Filip (1500) | Won 2-0 | +171560 |
| 2standard | 37 | Bojtar, Gyula (1487) | Won 2-1 | +171577 |
| 3standard | 191 | Boruvka, Petr (1781) | Lost 0-2 | -141563 |
| 4standard | 251 | Morzyc, Krzysztof (1521) | Lost 1-2 | -191544 |
| 5standard | 330 | Musial, Michal (1452) | Won 2-1 | +161560 |
| 6standard | 342 | Jakub, Kopaczynski (1522) | Lost 1-2 | -181542 |
| top | average opponent: 1544record: 3-3 | new rating: 1542 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 685 | Held, Marco (1572) | Lost 1-2 | -181527 |
| 3sealed | 742 | Antonov, Valentin (1473) | Lost 1-2 | -191508 |
| 4sealed | 797 | Houdek, Lukas (1484) | Won 2-0 | +181526 |
| 5sealed | 769 | Strohaeker, Jens (1500) | Won 2-1 | +171543 |
| top | average opponent: 1507record: 2-2 | new rating: 1543 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 116 | Bures, Ondrej (1468) | Won 2-1 | +181503 |
| 2extended | 117 | Chabros, Thomas (1518) | Won 2-0 | +181521 |
| 3extended | 16 | Bauss, Alexander (1507) | Draw 1-1 | 01521 |
| 4extended | 80 | Mazzurco, Carlo (1726) | Lost 0-2 | -141507 |
| 5extended | 134 | Hodovan, Miklos (1476) | Won 2-0 | +171524 |
| 6extended | 89 | Kriz, Tomas (1527) | Won 2-1 | +181542 |
| 7extended | 50 | Sznigir, Filip (1629) | Draw 1-1 | +21544 |
| 8extended | 82 | Fischer, Michael (1592) | Won 2-0 | +191563 |
| 9extended | 56 | Klinger, Bernhard (1557) | Lost 0-2 | -181545 |
| top | average opponent: 1556record: 5-2-2 | new rating: 1545 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Voros, Endre (1500) | Won 2-0 | +181518 |
| 2sealed | 82 | Krupicki, Krzysztof (1657) | Lost 0-2 | -151503 |
| 3sealed | 238 | Morgenstern, Frank (1498) | Lost 0-2 | -191484 |
| 4sealed | 297 | Weber, Antonin (1604) | Lost 1-2 | -151469 |
| 5sealed | 370 | Pobis, Jakub (1494) | Won 2-1 | +181487 |
| 6sealed | 272 | Kohler, Martin (1482) | Lost 1-2 | -181469 |
| 7sealed | 264 | Dvorak, Lukas (1384) | Won 2-1 | +161485 |
| top | average opponent: 1517record: 3-4 | new rating: 1485 | ||