Maddalena, Isaia
Current rating: 1378
Record: 2-9
| Grand Prix Lyon 2012 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 68 | Carlier, Louis (1549) | Lost 1-2 | -161410 |
| 2modern | 204 | Solignac, Jean-emmanue (1428) | Lost 0-2 | -181392 |
| 3modern | 264 | Mozzi, Jaume (1464) | Lost 0-2 | -161376 |
| 4modern | 321 | Kocyigit, Sener (1299) | Lost 0-2 | -201356 |
| 5modern | 312 | Mathis, Remy (1430) | Lost 1-2 | -161340 |
| 6modern | 288 | Seive, Gregoire (1411) | Won 2-0 | +191359 |
| 7modern | 252 | Boffa, Andrea (1427) | Won 2-0 | +191378 |
| average opponent: 1430record: 2-5 | new rating: 1378 | |||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 551 | Di Iorio, Daniele (1500) | Lost 0-2 | -181482 |
| 2sealed | 747 | Carra, Edoardo (1482) | Lost 1-2 | -181464 |
| 3sealed | 755 | Flauss, Elisabeth (1347) | Lost 0-2 | -201444 |
| 4sealed | 792 | Rossi, Davide (1446) | Lost 0-2 | -181426 |
| average opponent: 1444record: 0-4 | new rating: 1426 | |||