Hallak, Maruan
Current rating: 1366
| Grand Prix Prague 2016 (legacy) | starting rating: 1362 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 380 | Creazza, Antonio (1430) | Lost 1-2 | -171345 |
| 2legacy | 326 | Rigby, Martin (1517) | Lost 0-2 | -151330 |
| 3legacy | 649 | Ponikelsky, Jiri (1463) | Won 2-0 | +211351 |
| 4legacy | 500 | Teich, David (1502) | Won 2-1 | +211372 |
| 5legacy | 460 | Kozuch, Frantisek (1484) | Lost 1-2 | -161356 |
| 6legacy | 516 | Grupp, Linus (1497) | Lost 1-2 | -161340 |
| 7legacy | 534 | Hantak, Petr (1474) | Lost 1-2 | -151325 |
| 8legacy | 509 | Robl, Daniel (1453) | Won 2-0 | +201345 |
| 9legacy | 430 | Masure, Diederik (1520) | Won 2-1 | +211366 |
| top | average opponent: 1482record: 4-5 | new rating: 1366 | ||
| Grand Prix Milan 2014 (modern) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 272 | Labruzzo, Ludovico (1480) | Lost 1-2 | -171394 |
| 2modern | 373 | Berio, Massimo (1482) | Draw 1-1 | +11395 |
| 3modern | 662 | Preiml, Stefan (1541) | Lost 0-2 | -151380 |
| 4modern | 718 | Pissavini, Alessandro (1384) | Lost 0-2 | -181362 |
| top | average opponent: 1472record: 0-3-1 | new rating: 1362 | ||
| Grand Prix Prague 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 114 | Petrik, Adam (1499) | Lost 1-2 | -181482 |
| 2modern | 364 | Tonninelli, Andrea (1481) | Lost 1-2 | -181464 |
| 3modern | 660 | Boza, Manel (1462) | Lost 1-2 | -181446 |
| 4modern | 668 | Franc, David (1447) | Lost 0-2 | -181428 |
| 5modern | 652 | Rienow, Julia (1427) | Lost 1-2 | -181410 |
| 6modern | 611 | Brejcha, Matous (1445) | Lost 0-2 | -171393 |
| 7modern | 567 | Kopicka, Ondrej (1393) | Won 2-1 | +181411 |
| top | average opponent: 1451record: 1-6 | new rating: 1411 | ||