Grosso, Ronald Alan
Current rating: 1589
Record: 11-6-1
| Grand Prix Bologna 2016 (modern) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 200 | Savoretti, Matteo (1500) | Won 2-1 | +171578 |
| 2modern | 56 | Bulgarelli, Marco (1518) | Lost 0-2 | -191559 |
| 3modern | 637 | Brovida, Doriano (1500) | Won 2-1 | +171576 |
| 4modern | 387 | Pieri, Fabio (1483) | Lost 1-2 | -201556 |
| 5modern | 608 | Bratelia, Alexander (1501) | Lost 1-2 | -191537 |
| 6modern | 895 | Schindler, Adrian (1392) | Won 2-0 | +151552 |
| 7modern | 688 | Dogana, Marco (1459) | Draw 1-1 | -11551 |
| 8modern | 647 | Wagner, Christoph (1630) | Won 2-0 | +191570 |
| 9modern | 489 | Rossire, Patrick (1650) | Won 2-0 | +191589 |
| average opponent: 1515record: 5-3-1 | new rating: 1589 | |||
| Grand Prix Milan 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 333 | Menin, Simone (1500) | Lost 0-2 | -181482 |
| 2modern | 433 | Gavello, Francesco (1483) | Won 2-0 | +181500 |
| 3modern | 545 | Gouzy, Jean (1521) | Won 2-0 | +181518 |
| 4modern | 462 | Farace, Rino (1481) | Won 2-0 | +181536 |
| 5modern | 133 | Ciaccia, Giovanni (1395) | Won 2-1 | +151551 |
| 6modern | 79 | Vardzik, Marek (1705) | Lost 0-2 | -151536 |
| 7modern | 241 | Jell, Philipp (1711) | Lost 0-2 | -151521 |
| 8modern | 293 | Williams, Ryan (1627) | Won 2-1 | +201541 |
| 9modern | 141 | Mauguin, Matthieu (1639) | Won 2-0 | +201561 |
| average opponent: 1562record: 6-3 | new rating: 1561 | |||