Tzouriadis, Iason
Current rating: 1527
Record: 14-13-2
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 86 | Metters, Owen (1500) | Draw 1-1 | 01473 |
| 2block | 86 | Lee, Wen Jie (1588) | Lost 0-2 | -151458 |
| 3block | 86 | Huizinga, Sander (1466) | Lost 0-2 | -181440 |
| 4block | 86 | Crawshaw, Mark (1463) | Draw 1-1 | 01440 |
| 5block | 86 | Grinstead, Ruth (1366) | Won 2-1 | +171457 |
| 6block | 86 | Mcknight, Michael [WAL] (1481) | Won 2-0 | +181475 |
| 7block | 86 | Evans, Leon (1479) | Won 2-0 | +181493 |
| 8block | 86 | Tucknott, Joshua (1519) | Won 2-0 | +191512 |
| 9block | 86 | Barnetson, Edward (1332) | Won 2-1 | +151527 |
| top | average opponent: 1466record: 5-2-2 | new rating: 1527 | ||
| Grand Prix Valencia 2013 (THS limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Gonzalez Cardenas, Moises (1500) | Lost 0-2 | -171432 |
| 2sealed | 399 | Codina Font, Francesco (1573) | Lost 1-2 | -161416 |
| 3sealed | 471 | Marco, Francisco (1463) | Won 2-0 | +191435 |
| 4sealed | 405 | Sanchez Reig, Jorge (1504) | Won 2-1 | +191454 |
| 5sealed | 316 | Elena, Alejandro (1504) | Lost 0-2 | -171437 |
| 6sealed | 356 | Fons, Ferran (1478) | Lost 0-2 | -171420 |
| 7sealed | 369 | Esteve, Enrique (1385) | Won 2-0 | +171437 |
| 8sealed | 275 | Fernandez, Oriol (1467) | Won 2-0 | +191456 |
| 9sealed | 204 | Morales, David (1414) | Won 2-0 | +171473 |
| top | average opponent: 1476record: 5-4 | new rating: 1473 | ||
| Grand Prix London 2011 (MBS limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Donovan, Jamie (1500) | Lost 1-2 | -171447 |
| 2sealed | 318 | Skrede Reigstad, Simen (1482) | Lost 0-2 | -171430 |
| 3sealed | 349 | Ludwig, Derek (1462) | Won 2-0 | +181448 |
| 4sealed | 339 | Dugdale, Andrew (1465) | Won 2-0 | +181466 |
| 5sealed | 296 | Cordier, Kris (1472) | Lost 0-2 | -171449 |
| top | average opponent: 1476record: 2-3 | new rating: 1449 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 640 | Ballista, Enrico (1506) | Won 2-0 | +181518 |
| 2sealed | 573 | Gavrilita, George (1518) | Lost 0-2 | -181500 |
| 3sealed | 639 | Rascato, Pier Paolo (1473) | Lost 1-2 | -181482 |
| 4sealed | 753 | Bacenetti, Umberto (1482) | Won 2-1 | +181500 |
| 5sealed | 726 | Prodanov, Dimitar (1532) | Lost 1-2 | -181482 |
| 6sealed | 708 | Righetti, Andrea (1486) | Lost 0-2 | -181464 |
| top | average opponent: 1499record: 2-4 | new rating: 1464 | ||