Ekonomou, Kostas
Current rating: 1489
Record: 5-7-1
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 305 | Viczian, Laszlo (1532) | Lost 0-2 | -171460 |
| 4standard | 312 | Pinnisch, Markus (1516) | Won 2-1 | +191479 |
| 5standard | 313 | Schramm, Markus (1598) | Lost 1-2 | -161463 |
| 6standard | 421 | Varga, Tomas (1642) | Draw 1-1 | +41467 |
| 7standard | 358 | Dunn, Dennis (1520) | Won 2-0 | +191486 |
| 8standard | 250 | Marzano, Pierre (1622) | Lost 0-2 | -161470 |
| 9standard | 287 | Eichholzer, Marius (1509) | Won 2-1 | +191489 |
| average opponent: 1563record: 3-3-1 | new rating: 1489 | |||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 56 | Thidemann, Anders (1685) | Lost 1-2 | -151485 |
| 5sealed | 105 | Rikola, Markku (1665) | Won 2-0 | +221507 |
| 6sealed | 36 | Wall, Oskar (1655) | Lost 0-2 | -161491 |
| 7sealed | 146 | Forsman, Viktor (1541) | Lost 0-2 | -171474 |
| 8sealed | 154 | Svensson, Fredrik (1475) | Lost 0-2 | -181456 |
| 9sealed | 188 | Tscharner, Beat (1620) | Won 2-1 | +211477 |
| average opponent: 1607record: 2-4 | new rating: 1477 | |||