Zemke, Robert
Current rating: 1586
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 308 | Exler, Lukas (1443) | Won 2-1 | +171552 |
| 2legacy | 173 | Sudmann, Jan (1710) | Lost 1-2 | -151537 |
| 3legacy | 151 | Lovino, Luca (1454) | Lost 1-2 | -201517 |
| 4legacy | 413 | Folkerts, Arend (1486) | Won 2-0 | +181535 |
| 5legacy | 231 | Klein, Bernhard (1502) | Won 2-0 | +171552 |
| 6legacy | 225 | Drost, Dennis (1521) | Lost 0-2 | -191533 |
| 7legacy | 231 | Schenck, Vincent E (1506) | Won 2-0 | +181551 |
| 8legacy | 182 | Sourcin, Christoph (1523) | Won 2-1 | +171568 |
| 9legacy | 103 | Bergqvist, Hampus (1542) | Won 2-0 | +181586 |
| top | average opponent: 1521record: 6-3 | new rating: 1586 | ||
| Grand Prix Hanover 2009 (extended) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 446 | Gibaud, Thierry (1599) | Won 2-1 | +191536 |
| 2extended | 498 | Hillmann, Alexander (1491) | Won 2-1 | +181554 |
| 3extended | 463 | Drenger, Freider-Miche (1536) | Lost 1-2 | -191535 |
| 4extended | 504 | Hintze, Jorn (1559) | Won 2-1 | +191554 |
| 5extended | 453 | Koenning, Matthias (1582) | Lost 1-2 | -181536 |
| 6extended | 485 | Schwarz, Carsten (1509) | Won 2-1 | +181554 |
| 7extended | 484 | Westermeyer, Marc-andr (1541) | Lost 1-2 | -191535 |
| top | average opponent: 1545record: 4-3 | new rating: 1535 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 149 | Benda, Pavel (1499) | Lost 0-2 | -181482 |
| 2sealed | 181 | Zierenner, Fabian (1482) | Lost 0-2 | -181464 |
| 3sealed | 187 | Erdmann, Phillip (1464) | Lost 1-2 | -181446 |
| 4sealed | 211 | Drewes, David (1447) | Won 2-1 | +181464 |
| 5sealed | 176 | Schulte, Oliver (1464) | Won 2-0 | +181482 |
| 6sealed | 129 | Pedersen, Mark D (1487) | Lost 1-2 | -181464 |
| 7sealed | 137 | Tutelaers, Klaas (1401) | Won 2-1 | +171481 |
| 8sealed | 104 | Kittl, Christian (1472) | Won 2-0 | +181499 |
| 9sealed | 85 | Possel, Andreas (1502) | Won 2-0 | +181517 |
| top | average opponent: 1469record: 5-4 | new rating: 1517 | ||