Cosovic, Dejan
Current rating: 1584
Record: 31-24
| Grand Prix Columbus 2016 (legacy) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 306 | McShane, Brendan (1525) | Won 2-1 | +171593 |
| 2legacy | 318 | Vegh, Michael (1516) | Lost 0-2 | -191574 |
| 3legacy | 463 | Pike, Chris (1397) | Won 2-1 | +151589 |
| 4legacy | 337 | Douglas, Braxton (1498) | Lost 1-2 | -201569 |
| 5legacy | 471 | Nowak, John (1500) | Won 2-0 | +171586 |
| 6legacy | 400 | Vance, Heath (1500) | Won 2-0 | +161602 |
| 7legacy | 176 | Buehler, William (1614) | Lost 1-2 | -181584 |
| top | average opponent: 1507record: 4-3 | new rating: 1584 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 277 | Forget, Alexandre (1500) | Won 2-0 | +171565 |
| 2sealed | 358 | Mackenzie, Ronald (1500) | Won 2-0 | +171582 |
| 3sealed | 211 | Neganiwina, David (1479) | Lost 0-2 | -201562 |
| 4sealed | 362 | Chow, Matthew (1500) | Lost 1-2 | -191543 |
| 5sealed | 540 | Chlobowski, Dominik (1551) | Won 2-1 | +181561 |
| 6sealed | 430 | Chappell, Simon (1518) | Won 2-0 | +171578 |
| 7sealed | 195 | Fang, Patrick (1536) | Won 2-0 | +171595 |
| 8sealed | 123 | Asoyuf, Saul r (1522) | Lost 1-2 | -191576 |
| top | average opponent: 1513record: 5-3 | new rating: 1576 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 167 | Costa, Andrew (1500) | Won 2-1 | +171573 |
| 2modern | 122 | Buchanan, Brian (1518) | Lost 1-2 | -191554 |
| 3modern | 351 | Stevens, Michael (1373) | Won 2-0 | +151569 |
| 4modern | 243 | Henarath, Kal (1518) | Won 2-0 | +171586 |
| 5modern | 79 | Lanthier, Dan (1633) | Lost 0-2 | -181568 |
| 6modern | 222 | Lapierre, Matt (1426) | Lost 0-2 | -201548 |
| top | average opponent: 1495record: 3-3 | new rating: 1548 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 357 | Chen, Danny (1500) | Lost 0-2 | -201577 |
| 2sealed | 597 | Proano, Gina (1482) | Lost 0-2 | -201557 |
| 3sealed | 616 | Desrochers, Vincent (1512) | Won 2-0 | +171574 |
| 4sealed | 549 | Darby, Scott (1552) | Lost 1-2 | -181556 |
| top | average opponent: 1512record: 1-3 | new rating: 1556 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 72 | Mulrooney, Ryan P (1500) | Won 2-1 | +161621 |
| 3sealed | 16 | Thomas, Kevin (1519) | Lost 0-2 | -191602 |
| 4sealed | 171 | Kapsidis, James (1518) | Won 2-1 | +161618 |
| 5sealed | 50 | Muraca, Nick (1615) | Lost 0-2 | -181600 |
| 6sealed | 170 | Nolan, David (1466) | Won 2-0 | +161616 |
| 7sealed | 132 | Li, Chen (1561) | Lost 1-2 | -191597 |
| top | average opponent: 1530record: 3-3 | new rating: 1597 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 115 | Garcia, Onyx (1484) | Lost 0-2 | -211595 |
| 2extended | 396 | Pike, Maitland (1482) | Won 2-0 | +161611 |
| 3extended | 199 | Allen, Ward (1532) | Won 2-1 | +171628 |
| 4extended | 171 | Azzano, Douglas (1588) | Lost 0-2 | -191609 |
| 5extended | 249 | Hanley, Kevin (1502) | Won 2-0 | +161625 |
| 6extended | 199 | Coval, Brian (1518) | Lost 1-2 | -201605 |
| top | average opponent: 1518record: 3-3 | new rating: 1605 | ||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Yu, Steve (1517) | Won 2-1 | +171569 |
| 2sealed | 63 | Owenby, Matthew (1517) | Won 2-0 | +171586 |
| 3sealed | 78 | kennedy, matt (1483) | Won 2-1 | +161602 |
| 4sealed | 60 | Nassif, Gabriel (1866) | Lost 0-2 | -131589 |
| 5sealed | 147 | Jackson, Conrad (1537) | Won 2-0 | +171606 |
| 6sealed | 33 | Moore, John E (1703) | Won 2-0 | +201626 |
| 7sealed | 50 | Stocks, Jonathan (1805) | Won 2-1 | +211647 |
| 8sealed | 30 | Scott-Vargas, Luis (2009) | Lost 1-2 | -121635 |
| 9sealed | 52 | Yeung, Wilbert (1559) | Lost 0-2 | -191616 |
| top | average opponent: 1666record: 6-3 | new rating: 1616 | ||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Campbell, Evan (1500) | Won 2-0 | +181518 |
| 2sealed | 161 | Jolin, Gregory (1457) | Lost 1-2 | -191499 |
| 3sealed | 316 | Goldberg, Martin (1465) | Won 2-0 | +171516 |
| 4sealed | 206 | Henderson, Josh (1517) | Won 2-0 | +181534 |
| 5sealed | 164 | Richardson, Tyler (1520) | Lost 0-2 | -181516 |
| 6sealed | 162 | Steele, Derrick (1510) | Won 2-1 | +181534 |
| 7sealed | 183 | Pettinari, Eric (1537) | Won 2-1 | +181552 |
| 8sealed | 104 | Materewicz, Christopher (1538) | Won 2-1 | +181570 |
| 9sealed | 30 | Trepanier, Ryan (1563) | Lost 1-2 | -181552 |
| top | average opponent: 1512record: 6-3 | new rating: 1552 | ||