Mercuriali, Guido
Current rating: 1490
Record: 10-11-1
| Grand Prix London 2011 (MBS limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 31 | Butler, Dara (1597) | Won 2-0 | +191545 |
| 2sealed | 85 | Jovic, Daniel (1518) | Lost 1-2 | -191526 |
| 3sealed | 121 | Lang, Matteo (1576) | Lost 0-2 | -171509 |
| 4sealed | 118 | Coles, Garon M (1448) | Lost 0-2 | -191490 |
| top | average opponent: 1535record: 1-3 | new rating: 1490 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 653 | Reggiani, Samuele (1500) | Draw 1-1 | -11546 |
| 2sealed | 672 | Sposato, Domenico (1501) | Lost 0-2 | -191527 |
| 3sealed | 737 | Vaucher, Joris (1479) | Won 2-1 | +171544 |
| 4sealed | 706 | Giacomelli, Franco (1509) | Lost 0-2 | -181526 |
| top | average opponent: 1497record: 1-2-1 | new rating: 1526 | ||
| Grand Prix Florence 2007 (Time Spiral block) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 124 | Chiarugi, Francesco (1500) | Won 2-0 | +191502 |
| 2block | 6 | Casalboni, Davide (1518) | Won 2-0 | +181520 |
| 3block | 31 | Malin, Antti (1787) | Won 2-1 | +231543 |
| 4block | 31 | Terrasse, Nicolas (1652) | Won 2-1 | +201563 |
| 5block | 19 | Gorski, Michal (1539) | Lost 0-2 | -191544 |
| 6block | 49 | Mygh, Sebastian (1507) | Won 2-1 | +181562 |
| 7block | 43 | Chiera, Luca (1576) | Won 2-1 | +181580 |
| 8block | 29 | Guetl, Ronald (1663) | Lost 0-2 | -171563 |
| 9block | 47 | Lanese, Ivan (1636) | Lost 0-2 | -161547 |
| top | average opponent: 1598record: 6-3 | new rating: 1547 | ||
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 166 | Bonelli, Alessandro (1444) | Lost 0-2 | -191481 |
| 2block | 210 | Lo Castro, Aldo (1482) | Lost 0-2 | -181463 |
| 3block | 283 | Cerutti, Mattia (1587) | Won 2-0 | +201483 |
| 4block | 243 | Bortolussi, Giorgio (1545) | Won 2-0 | +191502 |
| 5block | 267 | Grilli, Roberto (1454) | Lost 0-2 | -191483 |
| top | average opponent: 1502record: 2-3 | new rating: 1483 | ||