Tzenos, Christos
Current rating: 1543
| Grand Prix London 2013 (GTC limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Betlinski, Andrzej (1500) | Won 2-0 | +181500 |
| 2sealed | 124 | Binder, Patrick (1486) | Lost 1-2 | -181482 |
| 3sealed | 541 | Ajmone, Alessio (1510) | Lost 1-2 | -181464 |
| 4sealed | 821 | Exford, Matthew (1481) | Won 2-0 | +191483 |
| 5sealed | 565 | Hall, Andy (1511) | Won 2-1 | +181501 |
| 6sealed | 337 | Gillard, Joe (1491) | Won 2-0 | +181519 |
| 7sealed | 415 | Siemons, Bjarne (1546) | Won 2-1 | +181537 |
| 8sealed | 118 | Bergen, Wesley (1574) | Lost 1-2 | -171520 |
| 9sealed | 286 | Ferrarese, Stefano (1774) | Won 2-0 | +231543 |
| top | average opponent: 1541record: 6-3 | new rating: 1543 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 579 | Cremagnani, Michele (1500) | Lost 1-2 | -181481 |
| 2sealed | 818 | Vazzoler, Giulio (1468) | Won 2-0 | +181499 |
| 3sealed | 689 | Arndt, Marcel (1547) | Lost 0-2 | -171482 |
| top | average opponent: 1505record: 1-2 | new rating: 1482 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 574 | Abu Mwais, Ludovico (1500) | Won 2-1 | +181518 |
| 2sealed | 661 | Nieto Gutierrez, Antonio (1426) | Lost 0-2 | -201498 |
| 3sealed | 631 | Melega, Matteo (1484) | Won 2-0 | +181516 |
| 4sealed | 668 | Basso, Nicolo (1518) | Won 2-0 | +181534 |
| 5sealed | 612 | Campeggio, Massimiliano (1519) | Lost 1-2 | -181516 |
| 6sealed | 641 | Albesiano, Enrico (1587) | Lost 1-2 | -171499 |
| top | average opponent: 1505record: 3-3 | new rating: 1499 | ||