Tzortzis, Tasos
Current rating: 1460
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 717 | Ciach, Maciej (1500) | Won 2-0 | +181488 |
| 2sealed | 636 | Jabs, Slawomir (1645) | Lost 1-2 | -151473 |
| 3sealed | 796 | Pippia, Cristofer (1503) | Won 2-0 | +181491 |
| 4sealed | 759 | Luginbuhl, Thomas (1587) | Lost 1-2 | -161475 |
| 5sealed | 820 | Telarov, Aleksa (1604) | Lost 0-2 | -151460 |
| top | average opponent: 1568record: 2-3 | new rating: 1460 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 95 | Hallberg, Niklas (1530) | Won 2-0 | +191484 |
| 2sealed | 154 | Petrak, Martin (1526) | Won 2-1 | +191503 |
| 3sealed | 32 | Houzvicek, Matous (1507) | Lost 0-2 | -181485 |
| 4sealed | 179 | Janak, Josef (1519) | Lost 1-2 | -171468 |
| 5sealed | 151 | Brade, Raphael (1550) | Lost 1-2 | -171451 |
| 6sealed | 207 | [anonymous] | Won 2-0 | +191470 |
| top | average opponent: 1516record: 3-3 | new rating: 1470 | ||
| Grand Prix Athens 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Broer, Jan (1539) | Lost 0-2 | -171483 |
| 2sealed | 127 | Chrisostomou, Giannis (1482) | Lost 1-2 | -181465 |
| 3sealed | 167 | Almeida, Tiago (1498) | Lost 1-2 | -181447 |
| 4sealed | 212 | Mattheou, Jim (1447) | Won 2-0 | +181465 |
| 5sealed | 180 | Nedelkovski, Jane (1465) | Lost 0-2 | -181447 |
| 6sealed | 181 | Roussinos, Dimitris P (1448) | Lost 1-2 | -181429 |
| 7sealed | 161 | Lampros, Antony (1427) | Won 2-0 | +181447 |
| 8sealed | 135 | Andrikos, Nikos (1444) | Won 2-0 | +181465 |
| top | average opponent: 1469record: 3-5 | new rating: 1465 | ||