Effretti, Marco
Current rating: 1448
Record: 1-4-1
| Grand Prix Turin 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 132 | Marangon, Stefano (1464) | Lost 1-2 | -191481 |
| 2standard | 281 | Lombardi, Marco (1642) | Lost 0-2 | -151466 |
| 3standard | 432 | Galea, Roderick (1465) | Won 2-1 | +181484 |
| 4standard | 360 | Abela, Steven (1483) | Lost 1-2 | -181466 |
| 5standard | 388 | Mariani, Michele Fabiano (1446) | Draw 1-1 | 01466 |
| 6standard | 391 | De Luca, Maurizio (1465) | Lost 1-2 | -181448 |
| average opponent: 1494record: 1-4-1 | new rating: 1448 | |||