Petraszczuk, Marco
Current rating: 1364
Record: 7-16-1
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1388 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1027 | Martin, James (1500) | Lost 1-2 | -161372 |
| 2sealed | 1116 | Sperling, Chris (1482) | Won 2-1 | +201392 |
| 3sealed | 1107 | Bilotto, Robert (1633) | Lost 0-2 | -131379 |
| 4sealed | 1096 | Shipp, Aaron (1555) | Lost 1-2 | -151364 |
| top | average opponent: 1542record: 1-3 | new rating: 1364 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 14 | Saleh, Keyafar (1590) | Won 2-1 | +211438 |
| 2extended | 59 | Kronenberg, Art N (1518) | Lost 0-2 | -171421 |
| 3extended | 302 | Hall, Jonjonjalo m (1500) | Lost 0-2 | -161405 |
| 4extended | 343 | Vanessen, Scott (1481) | Lost 0-2 | -171388 |
| top | average opponent: 1522record: 1-3 | new rating: 1388 | ||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Freeman, Shawn (1500) | Draw 1-1 | +11428 |
| 2sealed | 122 | Rawson, Nate (1500) | Lost 0-2 | -161412 |
| 3sealed | 177 | Fram, Robert (1483) | Won 2-0 | +191431 |
| 4sealed | 157 | Doshi, Vishvas (1648) | Lost 0-2 | -141417 |
| top | average opponent: 1533record: 1-2-1 | new rating: 1417 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 71 | Kemme, Brian (1500) | Lost 1-2 | -181463 |
| 2block | 198 | Pasquinzo, Mike (1430) | Lost 1-2 | -181445 |
| 3block | 256 | Castro, Keith (1463) | Lost 0-2 | -181427 |
| top | average opponent: 1464record: 0-3 | new rating: 1427 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Smith, Matt C (1500) | Lost 1-2 | -181481 |
| 2sealed | 184 | Matthews, Daniel (1482) | Won 2-0 | +181499 |
| 3sealed | 213 | Petersen, David (1494) | Lost 1-2 | -181481 |
| top | average opponent: 1492record: 1-2 | new rating: 1481 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Doughty, Nicholas (1500) | Lost 0-0 | -181482 |
| 2sealed | 118 | Parkin, Lisa (1482) | Won 0-0 | +181500 |
| 3sealed | 122 | Johnson, Matthew (1500) | Won 0-0 | +181518 |
| 4sealed | 108 | Kambourakis, Joseph (1500) | Lost 0-0 | -181500 |
| 5sealed | 125 | Anders, Dorian (1498) | Won 0-0 | +181518 |
| 6sealed | 81 | Glocker, Roan (1483) | Lost 0-0 | -191499 |
| top | average opponent: 1494record: 3-3 | new rating: 1499 | ||