Trombetta, Roberto
Current rating: 1363
Record: 5-13
| Grand Prix Verona 2013 (GTC standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 337 | Barros, Joao (1505) | Lost 0-2 | -171429 |
| 2standard | 423 | Pasco, Ugo (1482) | Won 2-1 | +191448 |
| 3standard | 412 | Zucca, Stefano (1499) | Lost 1-2 | -171431 |
| 4standard | 528 | Rossi, Michael (1457) | Lost 0-2 | -171414 |
| 5standard | 497 | Wisz, Lukasz (1446) | Lost 0-2 | -181396 |
| 6standard | 514 | Iordanov Guigov, Lubom (1446) | Lost 1-2 | -171379 |
| 7standard | 462 | Steinke, Michael (1416) | Lost 0-2 | -171362 |
| 8standard | 412 | Dresden, Sarah (1372) | Lost 1-2 | -181344 |
| 9standard | 342 | Valsesia, Andrea (1374) | Won 2-0 | +191363 |
| average opponent: 1444record: 2-7 | new rating: 1363 | |||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 254 | Brown, Eric M (1555) | Lost 1-2 | -171483 |
| 2standard | 305 | Hribek, Michal (1570) | Won 2-0 | +201503 |
| 3standard | 290 | Vos, Tristan (1505) | Won 2-1 | +181521 |
| 4standard | 175 | Lugasi, Piergiorgio (1422) | Lost 0-2 | -201501 |
| 5standard | 288 | Merta, Martin (1497) | Lost 0-2 | -181483 |
| 6standard | 297 | Kotzerke, Matthias (1487) | Won 2-1 | +181501 |
| 7standard | 196 | Carels, Pieter (1535) | Lost 1-2 | -181483 |
| 8standard | 200 | Wang, Ruofan (1482) | Lost 0-2 | -181465 |
| 9standard | 196 | Halliday, Alex (1409) | Lost 0-2 | -191446 |
| average opponent: 1496record: 3-6 | new rating: 1446 | |||