Ambrosini, Marco
Current rating: 1522
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 607 | Tammelleo, Angelo (1481) | Won 2-0 | +171509 |
| 2standard | 536 | McGovern, Mark (1667) | Won 2-0 | +211530 |
| 3standard | 547 | Nunes, Joel (1429) | Lost 0-2 | -201510 |
| 4standard | 655 | Ugalde, Dionisio (1633) | Won 2-1 | +211531 |
| 5standard | 547 | van den Hanenberg, Frank (1719) | Won 2-1 | +211552 |
| 6standard | 534 | Renedo, Rodrigo (1839) | Lost 1-2 | -131539 |
| 7standard | 566 | Christensson, Thommy (1571) | Lost 0-2 | -171522 |
| top | average opponent: 1620record: 4-3 | new rating: 1522 | ||
| Grand Prix Lyon 2010 (ROE limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 88 | Hebert, Laurent (1500) | Won 2-0 | +181501 |
| 2sealed | 82 | Liin, Vahur-Peeter (1748) | Lost 1-2 | -141487 |
| 3sealed | 145 | Cambriels, Pierre-Arnaud (1502) | Won 1-0 | +191506 |
| 4sealed | 208 | De La Crompe De La Boi, (1482) | Won 2-1 | +171523 |
| 5sealed | 119 | Jager, Marc (1663) | Lost 1-2 | -151508 |
| 6sealed | 171 | Hunziker, Gerd (1606) | Lost 1-2 | -161492 |
| top | average opponent: 1584record: 3-3 | new rating: 1492 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 617 | Pedoux, Sophie (1388) | Lost 0-2 | -201480 |
| 2standard | 836 | Elgner, Jens (1484) | Won 2-0 | +181498 |
| 3standard | 755 | Bittner, Paul (1551) | Lost 0-2 | -171481 |
| 4standard | 922 | Bartolini, Valerio (1559) | Won 2-1 | +191500 |
| 5standard | 800 | Piovan, Jerome (1512) | Lost 0-2 | -171483 |
| top | average opponent: 1499record: 2-3 | new rating: 1483 | ||