Bartak, Martin
Current rating: 1514
Record: 18-18
| Grand Prix Prague 2016 (legacy) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 209 | Stocker, Andreas (1611) | Won 2-0 | +201511 |
| 2legacy | 79 | Johansson, Alexander (1654) | Won 2-1 | +201531 |
| 3legacy | 589 | Rizzi, Nicolo (1650) | Lost 0-2 | -151516 |
| 4legacy | 197 | Lier, Malte (1434) | Lost 1-2 | -201496 |
| 5legacy | 476 | Vanitelli, Raimondo (1502) | Won 2-1 | +181514 |
| 6legacy | 359 | Cakmak, Yakup (1517) | Won 2-0 | +181532 |
| 7legacy | 186 | Shuvalov, Denis (1538) | Lost 1-2 | -181514 |
| 8legacy | 250 | Havlasek, Radim (1493) | Won 2-1 | +181532 |
| 9legacy | 192 | Solstad, Daniel (1539) | Lost 1-2 | -181514 |
| top | average opponent: 1549record: 5-4 | new rating: 1514 | ||
| Grand Prix Paris 2014 (legacy) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 133 | Guitton, Romain (1447) | Won 2-0 | +171524 |
| 2legacy | 63 | Marchand, Antoine (1538) | Lost 1-2 | -171507 |
| 3legacy | 436 | Guillien, Jean-michel (1547) | Lost 0-2 | -181489 |
| 4legacy | 597 | FRACHISSE, David (1483) | Lost 1-2 | -181471 |
| 5legacy | 677 | Albersdorfer, Simon (1544) | Lost 1-2 | -161455 |
| 6legacy | 636 | Jandriae, Marko (1444) | Won 2-0 | +171472 |
| 7legacy | 517 | Gibaud, Thierry (1563) | Won 2-0 | +201492 |
| 8legacy | 424 | Masuch, Norman (1372) | Won 2-1 | +161508 |
| 9legacy | 298 | Powell, George (1553) | Lost 0-2 | -171491 |
| top | average opponent: 1499record: 4-5 | new rating: 1491 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 218 | Uerpmann, Fabian (1500) | Won 2-0 | +191504 |
| 2legacy | 189 | Liapatis, Theodoros (1727) | Won 2-1 | +221526 |
| 3legacy | 70 | La Loggia, Luca (1490) | Won 0-0 | +171543 |
| 4legacy | 124 | Daunis Congost, Ferran (1500) | Lost 1-2 | -191524 |
| 5legacy | 219 | Bonneau, Alexandre (1520) | Won 2-1 | +181542 |
| 6legacy | 70 | Hostettler, Christophe (1575) | Lost 0-2 | -171525 |
| 7legacy | 206 | Dulcide, Benjamin (1530) | Won 2-1 | +181543 |
| 8legacy | 114 | Raugstad, Oddvar (1558) | Lost 0-2 | -181525 |
| 9legacy | 203 | Kaschapow, Marcel (1539) | Lost 1-2 | -181507 |
| top | average opponent: 1549record: 5-4 | new rating: 1507 | ||
| Grand Prix Ghent 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 726 | Togores, Rodrigo (1468) | Lost 0-2 | -191481 |
| 2legacy | 828 | Efinger, Joseph C (1482) | Lost 0-2 | -181463 |
| 3legacy | 866 | Bodini, Niccolo (1535) | Won 2-1 | +201483 |
| 4legacy | 895 | Neven, Tom (1464) | Lost 1-2 | -191464 |
| 5legacy | 900 | van Beeck, Jeroen (1509) | Lost 1-2 | -171447 |
| 6legacy | 867 | Bouche, Arnaud (1443) | Won 2-1 | +181465 |
| 7legacy | 824 | Thompson, Mark J (1460) | Won 2-0 | +181483 |
| 8legacy | 777 | De Bruijn, Vincent (1616) | Won 2-0 | +201503 |
| 9legacy | 742 | Ulens, Tim (1503) | Lost 0-2 | -181485 |
| top | average opponent: 1498record: 4-5 | new rating: 1485 | ||