Spyridon, Economou
Current rating: 1537
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 250 | Hansel, Stephan (1632) | Won 2-1 | +201518 |
| 3standard | 127 | Zabkar, Luka (1567) | Lost 1-2 | -171501 |
| 4standard | 67 | Dreske, Jan (1565) | Won 2-1 | +191520 |
| 5standard | 160 | Mackowiak, Marcel (1500) | Lost 0-2 | -181502 |
| 6standard | 445 | Lesch, Andreas (1522) | Lost 1-2 | -181484 |
| 7standard | 462 | Curman, Miodrag (1518) | Won 2-0 | +191503 |
| 8standard | 330 | Cadilek, Christoph (1451) | Won 2-0 | +171520 |
| 9standard | 204 | Colding-Jorgensen, Martin (1469) | Won 2-1 | +171537 |
| top | average opponent: 1528record: 5-3 | new rating: 1537 | ||
| Grand Prix Turin 2012 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 85 | Quinto, Saverio (1527) | Lost 1-2 | -171453 |
| 4modern | 181 | Mauriello, Marcos (1509) | Won 2-1 | +191472 |
| 5modern | 82 | Miani, Davide (1567) | Won 2-0 | +201492 |
| 6modern | 52 | Fiala-Ibitz, Sebastian (1520) | Won 2-0 | +191511 |
| 7modern | 26 | Presbulgo, Mattia (1590) | Lost 0-2 | -171494 |
| 8modern | 77 | Lunghi, Jacopo (1638) | Lost 0-2 | -151479 |
| 9modern | 74 | Rodriguez Targa, David (1528) | Won 2-1 | +191498 |
| top | average opponent: 1554record: 4-3 | new rating: 1498 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 687 | La Placa, Andrea (1732) | Lost 0-2 | -141486 |
| 3sealed | 705 | Ragionieri, Filippo (1440) | Won 2-1 | +171503 |
| 4sealed | 746 | Graefling, Beat (1516) | Lost 1-2 | -171486 |
| 5sealed | 759 | Wicher, Adam (1642) | Lost 0-2 | -161470 |
| top | average opponent: 1583record: 1-3 | new rating: 1470 | ||