Dumas, Alessandro
Current rating: 1644
Record: 22-13-3
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1646 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 701 | Wielgorski, Daniel (1357) | Lost 1-2 | -231623 |
| 2sealed | 764 | Quadri, Andrea (1430) | Lost 1-2 | -221601 |
| 3sealed | 831 | Presbulgo, Mattia (1518) | Won 2-1 | +171618 |
| 4sealed | 826 | Paradisi, Paolo 930 (1483) | Won 2-1 | +151633 |
| 5sealed | 741 | Capizzi, Giuseppe (1500) | Lost 1-2 | -201613 |
| 6sealed | 809 | Leoni, Stefano (1449) | Won 2-0 | +151628 |
| 7sealed | 720 | Soucheiron, Alex (1504) | Won 2-0 | +161644 |
| 8sealed | 676 | Steiner, Stefan (1665) | Draw 1-1 | 01644 |
| top | average opponent: 1488record: 4-3-1 | new rating: 1644 | ||
| Grand Prix Florence 2007 (Time Spiral block) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 166 | Dorle, Anthony (1589) | Won 2-0 | +191559 |
| 2block | 34 | Tassani, Matteo (1518) | Lost 0-2 | -191540 |
| 3block | 134 | Formato, Alessandro (1501) | Won 2-1 | +181558 |
| 4block | 152 | Chang, Stefano (1520) | Won 2-0 | +171575 |
| 5block | 62 | La Porta, Alessandro (1520) | Won 2-1 | +171592 |
| 6block | 47 | Corbera Bellalta, Marc (1694) | Won 2-1 | +201612 |
| 7block | 38 | Ossino, Stefano (1477) | Won 2-0 | +151627 |
| 8block | 18 | Minghetti, Riccardo (1597) | Lost 1-2 | -181609 |
| 9block | 44 | Sugaya, Hironobu (1543) | Won 2-0 | +171626 |
| 10block | 45 | Oreni, Stefano (1592) | Lost 1-2 | -191607 |
| 11block | 60 | Brambilla, Davide (1568) | Draw 1-1 | -11606 |
| 12block | 54 | Guedj, Tristan (1700) | Won 2-0 | +201626 |
| 13block | 39 | Brodzak, Jan (1733) | Lost 0-2 | -161610 |
| 14block | 48 | Pereira, Rui (1654) | Won 2-0 | +191629 |
| 15block | 38 | Benzi, Luca (1576) | Won 2-0 | +171646 |
| top | average opponent: 1585record: 10-4-1 | new rating: 1646 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Pohlmuller, Marc (1500) | Won 2-0 | +181539 |
| 2sealed | 66 | Assemat, Sebastien (1612) | Lost 1-2 | -171522 |
| 3sealed | 122 | Borrelli, Stefano (1467) | Draw 1-1 | -11521 |
| 4sealed | 204 | Piras, Alberto (1432) | Lost 0-2 | -201501 |
| 5sealed | 221 | Orlandi, Thomas (1536) | Won 2-0 | +191520 |
| 6sealed | 169 | De Sio, Jakub (1641) | Won 2-1 | +201540 |
| top | average opponent: 1531record: 3-2-1 | new rating: 1540 | ||
| Grand Prix Rimini 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 164 | Magera, Markus (1652) | Won 2-1 | +211521 |
| 2block | 20 | Angelozzi, Matteo (1518) | Lost 0-2 | -181503 |
| 3block | 210 | Testini, Niccolo (1501) | Won 2-0 | +181521 |
| 4block | 133 | Francini, Roberto (1519) | Won 2-1 | +181539 |
| 5block | 109 | Donadei, Giorgio (1539) | Won 2-0 | +181557 |
| 6block | 62 | Orlandi, Thomas (1575) | Won 2-0 | +181575 |
| 7block | 15 | Musso, Mattia (1576) | Lost 0-2 | -181557 |
| 8block | 46 | Colica, Stefano (1555) | Lost 1-2 | -181539 |
| 9block | 90 | Garutti, Andrea (1540) | Lost 0-2 | -181521 |
| top | average opponent: 1553record: 5-4 | new rating: 1521 | ||