Marcq, Xavier
Current rating: 1531
Record: 18-16-1
| Grand Prix Antwerp 2013 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 244 | Alves, Cedric (1335) | Lost 0-1 | -211492 |
| 2modern | 575 | Corring, Damien (1434) | Won 2-0 | +171509 |
| 3modern | 459 | Canjels, Jeffrey (1483) | Draw 1-1 | -11508 |
| 4modern | 521 | Michlits, Mario (1638) | Lost 0-2 | -151493 |
| 5modern | 640 | Van Sompel, Arne (1482) | Won 2-1 | +181511 |
| 6modern | 488 | Van Maarseveen, Chris (1520) | Won 2-1 | +181529 |
| 7modern | 361 | Walkenhorst, Ole (1521) | Won 2-0 | +181547 |
| 8modern | 259 | Carabias, Alexandre (1696) | Lost 1-2 | -161531 |
| top | average opponent: 1514record: 4-3-1 | new rating: 1531 | ||
| Grand Prix Ghent 2012 (legacy) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 37 | Morzewski, Maxime (1418) | Won 2-1 | +161550 |
| 2legacy | 99 | Fernandez Gonzalez, Ca (1518) | Won 2-1 | +171567 |
| 3legacy | 34 | Melin, Pierre (1664) | Lost 0-2 | -161551 |
| 4legacy | 185 | Terroy, Cyril (1671) | Lost 0-2 | -161535 |
| 5legacy | 219 | Hens, Tom (1470) | Won 2-0 | +171552 |
| 6legacy | 187 | Westlake, Jamie (1586) | Lost 0-2 | -171535 |
| 7legacy | 174 | Habura, Bastian (1543) | Lost 1-2 | -181517 |
| 8legacy | 192 | Vlutters, Mark (1481) | Lost 1-2 | -191498 |
| 9legacy | 168 | Fokkema, Toon (1335) | Won 2-1 | +151513 |
| top | average opponent: 1521record: 4-5 | new rating: 1513 | ||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Teixeira, Josue (1500) | Won 2-1 | +181535 |
| 2sealed | 30 | Stammbach, Martin (1485) | Won 2-1 | +171552 |
| 3sealed | 73 | Castellano, Marco (1639) | Lost 0-2 | -161536 |
| 4sealed | 104 | Gabriel, Aron (1517) | Lost 0-2 | -191517 |
| 5sealed | 185 | Paulmaier, Benjamin (1503) | Lost 0-2 | -181499 |
| 6sealed | 208 | Lignier, Frederic (1483) | Won 1-0 | +181517 |
| 7sealed | 153 | Tey, Vincent (1467) | Lost 0-0 | -191498 |
| 8sealed | 149 | Montandon, Tatiana (1528) | Won 2-0 | +181516 |
| 9sealed | 103 | Vanderhaegen, Veerle (1499) | Won 2-0 | +181534 |
| top | average opponent: 1514record: 5-4 | new rating: 1534 | ||
| Grand Prix Lille 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 21 | Prevot, Alexandre (1510) | Lost 0-2 | -181482 |
| 2legacy | 210 | Christiaens, Jerome (1483) | Won 2-1 | +181500 |
| 3legacy | 130 | Godmez, Sandrine (1500) | Won 2-0 | +181518 |
| 4legacy | 96 | Gerrits, Marcel (1445) | Won 2-1 | +171535 |
| 5legacy | 55 | Illig, Jerome (1506) | Won 2-0 | +171552 |
| 6legacy | 28 | Paulis, Xavier (1634) | Lost 0-2 | -161536 |
| 7legacy | 65 | Pelisset, Thomas (1487) | Lost 1-2 | -191517 |
| 8legacy | 71 | Bouhanik, Jordan (1529) | Won 2-0 | +181535 |
| 9legacy | 61 | Demaret, Pierre (1538) | Lost 0-2 | -181517 |
| top | average opponent: 1515record: 5-4 | new rating: 1517 | ||