Dumoulin, Alexander
Current rating: 1496
Record: 5-7
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 103 | Halme, Julius (1544) | Won 2-0 | +201470 |
| 2pioneer | 359 | Baumann, Sebastian (1548) | Won 2-0 | +191489 |
| 3pioneer | 45 | Kuisma, Matti (1809) | Won 2-1 | +241513 |
| 4pioneer | 154 | Caparroz, Joao Lucas (1868) | Won 2-1 | +241537 |
| 5pioneer | 22 | Klimke, Chris (1705) | Lost 1-2 | -151522 |
| 6pioneer | 83 | Chapman, Craig (1788) | Lost 1-2 | -131509 |
| 7pioneer | 268 | Pizzi, William (1813) | Lost 1-2 | -131496 |
| average opponent: 1725record: 4-3 | new rating: 1496 | |||
| Grand Prix Lille 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 121 | Behavka, Ondrej (1500) | Lost 0-2 | -181482 |
| 2modern | 533 | Zemp, Thibaud (1442) | Lost 1-2 | -191463 |
| 3modern | 813 | Genieis, Nicolas (1595) | Won 2-0 | +211484 |
| 4modern | 809 | Martins, Mateus (1710) | Lost 0-2 | -141470 |
| 5modern | 760 | Vandenberghe, Kjell (1381) | Lost 0-2 | -201450 |
| average opponent: 1526record: 1-4 | new rating: 1450 | |||