Leys, Matthias
Current rating: 1493
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 403 | Nguyen, Didier (1517) | Lost 0-2 | -181461 |
| 2pioneer | 418 | Do, Tonny (1482) | Won 2-1 | +191480 |
| 3pioneer | 618 | Rombout, Storm (1543) | Won 2-1 | +191499 |
| 4pioneer | 496 | Pizzi, William (1804) | Lost 0-2 | -131486 |
| 5pioneer | 580 | Vu, Jeremy (1652) | Won 2-0 | +211507 |
| 6pioneer | 291 | Schulte, Tobias (1505) | Lost 0-2 | -181489 |
| 7pioneer | 399 | Martinez Romero, Ivan (1646) | Won 2-0 | +211510 |
| 8pioneer | 286 | Gianchino, Carmelo (1541) | Lost 0-2 | -171493 |
| top | average opponent: 1586record: 4-4 | new rating: 1493 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 191 | Mueller, Till (1463) | Lost 0-2 | -191500 |
| 2sealed | 406 | Robinot, Julien (1514) | Draw 1-1 | 01500 |
| 3sealed | 617 | Lobenstein, Christian (1383) | Lost 0-2 | -201480 |
| 4sealed | 673 | Facchin, Francois (1381) | Won 2-1 | +161496 |
| 5sealed | 573 | Skov, Soeren (1520) | Lost 0-2 | -171479 |
| top | average opponent: 1452record: 1-3-1 | new rating: 1479 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 477 | Nissen, Francis (1500) | Lost 0-0 | -181482 |
| 2standard | 702 | Gustavsen, Magnus (1482) | Won 0-0 | +181500 |
| 3standard | 639 | Van Laken, Tom (1541) | Lost 1-2 | -171483 |
| 4standard | 683 | Deseau, Johan (1424) | Won 2-0 | +171500 |
| 5standard | 502 | Depickere, Wim (1600) | Lost 0-2 | -171483 |
| 6standard | 690 | Heuser, Marius (1439) | Won 2-1 | +181501 |
| 7standard | 527 | Martins, Daniel (1567) | Lost 1-2 | -171484 |
| 8standard | 442 | Bettelhauser, Eike (1404) | Won 2-1 | +161500 |
| 9standard | 350 | Verbeeck, Matthias (1535) | Won 2-1 | +191519 |
| top | average opponent: 1499record: 5-4 | new rating: 1519 | ||