De Biasi, Mattia
Current rating: 1535
Record: 19-18-4
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Trippass, Mark (1500) | Won 2-0 | +171573 |
| 2sealed | 267 | Barnes, Aidan (1519) | Lost 1-2 | -191554 |
| 3sealed | 342 | Hoe, Jason (1490) | Lost 1-2 | -191535 |
| 4sealed | 519 | Kalise, Dante (1530) | Draw 1-1 | 01535 |
| top | average opponent: 1510record: 1-2-1 | new rating: 1535 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 76 | Jillali, Sebastien (1500) | Won 2-0 | +181552 |
| 2sealed | 146 | Fornasari, Michele (1690) | Won 2-0 | +201572 |
| 3sealed | 94 | Lindgren, Tommi (1649) | Draw 1-1 | +21574 |
| 4sealed | 125 | Sonnleitner, Martin (1501) | Won 2-0 | +161590 |
| 5sealed | 61 | Tolazzi, Massimo (1663) | Lost 0-2 | -161574 |
| 6sealed | 129 | Gilis, Lucas (1580) | Lost 0-2 | -181556 |
| top | average opponent: 1597record: 3-2-1 | new rating: 1556 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 691 | Cavani, Alessio (1450) | Lost 1-2 | -201520 |
| 2sealed | 734 | Fabregas Canal, Telm (1464) | Draw 1-1 | -11519 |
| 3sealed | 741 | Giordano, Luca Valerio (1482) | Won 2-0 | +171536 |
| 4sealed | 716 | Contorno, Tiziano (1499) | Won 2-0 | +181554 |
| 5sealed | 652 | Manicolo, Kevin (1495) | Lost 1-2 | -201534 |
| top | average opponent: 1478record: 2-2-1 | new rating: 1534 | ||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Libkin, Eugen (1500) | Won 2-1 | +181489 |
| 2sealed | 81 | Farkas, Andrej (1518) | Lost 1-2 | -171472 |
| 3sealed | 164 | Gourdol, Jean-Noel (1682) | Won 2-0 | +211493 |
| 4sealed | 149 | Dobis, David (1711) | Won 2-0 | +221515 |
| 5sealed | 91 | McIntyre, Graeme (1521) | Won 2-1 | +181533 |
| 6sealed | 61 | Rosenmeier, Eugen (1594) | Won 2-0 | +191552 |
| 7sealed | 28 | Refsdal, Thomas (1848) | Lost 0-2 | -121540 |
| 8sealed | 66 | Oppliger, Daniel (1510) | Won 2-0 | +171557 |
| 9sealed | 44 | Erinin, Dimitar (1576) | Lost 1-2 | -171540 |
| top | average opponent: 1606record: 6-3 | new rating: 1540 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 96 | Gierszewski, Maciek (1519) | Won 2-0 | +191503 |
| 3standard | 62 | Gorniak, Mariusz (1676) | Lost 1-2 | -151488 |
| 4standard | 98 | Ungaro, Filippo (1451) | Won 2-0 | +171505 |
| 5standard | 68 | Perovic, Milos (1537) | Lost 1-2 | -171488 |
| 6standard | 80 | Sulkowski, Piotr (1520) | Lost 1-2 | -171471 |
| top | average opponent: 1541record: 2-3 | new rating: 1471 | ||
| Grand Prix Turin 2006 (DIS limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | grihangne, michael (1500) | Won 2-0 | +191503 |
| 2sealed | 1 | Aiello, Carlo (1518) | Draw 1-1 | 01503 |
| 3sealed | 107 | Ferrarese, Stefano (1518) | Lost 0-2 | -181485 |
| 4sealed | 209 | Di Filippo, Dario (1419) | Won 2-0 | +171502 |
| 5sealed | 149 | La Rosa, Andrea (1517) | Lost 0-2 | -181484 |
| top | average opponent: 1495record: 2-2-1 | new rating: 1484 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Ceccolini, Daniele (1500) | Lost 0-2 | -181482 |
| 2sealed | 246 | Caggese, Giuseppe (1481) | Lost 1-2 | -181464 |
| 3sealed | 294 | Bellante, Matteo (1464) | Won 2-1 | +181482 |
| 4sealed | 210 | Lombardi, Giacomo (1524) | Won 2-1 | +191501 |
| 5sealed | 180 | Nardulli, Piergiulio (1489) | Won 2-0 | +181519 |
| 6sealed | 159 | Herrero, Sergi (1621) | Lost 1-2 | -171502 |
| 7sealed | 135 | Casadio, Enrico (1502) | Lost 0-2 | -181484 |
| top | average opponent: 1512record: 3-4 | new rating: 1484 | ||