Cullum, Mark
Current rating: 1668
Record: 25-15
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 228 | Manuel, Anthony (1468) | Won 2-1 | +161621 |
| 2legacy | 269 | Topp, Jordan (1604) | Won 2-0 | +171638 |
| 3legacy | 192 | Wight, Lawrence (1423) | Won 2-0 | +141652 |
| 4legacy | 23 | Tanner, Charles (1668) | Won 2-1 | +191671 |
| 5legacy | 41 | Schmollinger, Randall (1531) | Won 2-1 | +151686 |
| 6legacy | 22 | Ratajczak, Matthew (1679) | Won 2-1 | +181704 |
| 7legacy | 10 | Blocher, Rob (1540) | Lost 0-2 | -211683 |
| 8legacy | 45 | Murnane, Casey (1596) | Won 2-0 | +161699 |
| 9legacy | 25 | Guardiano, Patrick (1860) | Lost 1-2 | -151684 |
| 10legacy | 195 | Vlcek, Tomas (1725) | Lost 1-2 | -171667 |
| 11legacy | 200 | Ward, Daniel (1865) | Lost 0-2 | -141653 |
| 12legacy | 202 | Nelson, Dan (1680) | Lost 1-2 | -181635 |
| 14legacy | 181 | Miller, Daniel (1530) | Won 2-1 | +161651 |
| 15legacy | 146 | Pryor, Christopher (1580) | Won 2-0 | +171668 |
| top | average opponent: 1625record: 9-5 | new rating: 1668 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 361 | Chapman, Ben (1612) | Won 2-0 | +181608 |
| 2sealed | 178 | Campbell, Derek (1559) | Won 2-0 | +171625 |
| 3sealed | 68 | Green, Ben A (1504) | Lost 0-2 | -201605 |
| top | average opponent: 1558record: 2-1 | new rating: 1605 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 89 | O'Brien, Jonathan (1500) | Won 2-0 | +161615 |
| 2modern | 204 | Rodgers, Ronald (1427) | Lost 1-2 | -221593 |
| 3modern | 398 | Ciufo, Benjamin (1500) | Won 2-0 | +171610 |
| 4modern | 315 | Turner, Michael (1505) | Lost 0-2 | -201590 |
| top | average opponent: 1483record: 2-2 | new rating: 1590 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 172 | Lindo, Aaron (1652) | Lost 0-2 | -181600 |
| 3sealed | 348 | Urban, Matthew (1605) | Won 2-1 | +181618 |
| 4sealed | 171 | Hendricks, Thomas (1519) | Lost 0-2 | -191599 |
| top | average opponent: 1592record: 1-2 | new rating: 1599 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 351 | Walz, Bruce (1445) | Lost 0-2 | -191481 |
| 2standard | 531 | Nagy, Stephen (1704) | Won 2-0 | +221503 |
| 3standard | 377 | Gravely, James (1497) | Won 2-1 | +181521 |
| 4standard | 301 | Homan, Dean (1464) | Won 2-0 | +171538 |
| 5standard | 341 | Bogner, David (1535) | Won 2-1 | +181556 |
| 6standard | 100 | Simon, Cedric (1523) | Won 2-1 | +171573 |
| 7standard | 106 | Bogner, Ryan (1687) | Lost 0-2 | -161557 |
| 8standard | 125 | Klug, Eric (1486) | Won 2-0 | +171574 |
| 9standard | 89 | Allen, Crispin (1587) | Won 2-0 | +181592 |
| 10standard | 52 | Moran, Conor (1575) | Won 2-1 | +181610 |
| 11standard | 54 | Holden, Michael (1784) | Won 2-1 | +211631 |
| 12standard | 28 | Lukas, Andrew M (1628) | Lost 1-2 | -181613 |
| 13standard | 44 | Silvestro, Carlton (1568) | Won 2-0 | +171630 |
| 14standard | 31 | Hampton, Jesse (1985) | Lost 0-2 | -121618 |
| 15standard | 43 | Housman, Myles (1604) | Lost 0-2 | -181600 |
| 16standard | 60 | Poncelet, Kevin (1574) | Won 2-0 | +181618 |
| top | average opponent: 1603record: 11-5 | new rating: 1618 | ||