Markiewicz, Walter
Current rating: 1521
Record: 7-6
| Grand Prix Richmond 2014 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 544 | Priver, David (1520) | Won 2-0 | +181520 |
| 2modern | 347 | Rumingan, John Louis (1568) | Won 1-0 | +191539 |
| 3modern | 121 | Broer, Paul (1536) | Won 2-1 | +181557 |
| 4modern | 32 | Vaughan, Robert (1568) | Lost 1-2 | -181539 |
| 5modern | 154 | Fitzgerald, Charles (1489) | Won 2-1 | +171556 |
| 6modern | 57 | Sedlak, Jon (1560) | Lost 1-2 | -171539 |
| 7modern | 283 | League, Charles (1564) | Lost 0-2 | -181521 |
| average opponent: 1544record: 4-3 | new rating: 1521 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 939 | Tiscione, Scott (1500) | Won 2-0 | +181518 |
| 2sealed | 1194 | Rotenburger, Arnold (1482) | Won 2-0 | +171535 |
| 3sealed | 1008 | Farnung, Ian (1817) | Lost 0-2 | -131522 |
| 4sealed | 1174 | Rodriguez, Brandon (1518) | Won 2-0 | +181540 |
| 5sealed | 987 | Bogdanov, Dennis (1488) | Lost 1-2 | -191521 |
| 6sealed | 836 | Hulse, Kevin (1452) | Lost 0-2 | -191502 |
| average opponent: 1543record: 3-3 | new rating: 1502 | |||