Prajzner, Ross
Current rating: 1421
Record: 13-20
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 319 | DeBettencourt, Steven (1500) | Lost 0-2 | -171430 |
| 3legacy | 311 | Natale, Toby (1562) | Lost 1-2 | -161414 |
| 4legacy | 551 | Ybarra, Brett J (1423) | Won 2-1 | +181432 |
| 5legacy | 312 | Brown, Matthew K (1455) | Lost 1-2 | -171415 |
| 6legacy | 418 | Niyazov, Igor (1520) | Lost 1-2 | -161399 |
| 7legacy | 359 | van Sickle, Joseph (1522) | Lost 1-2 | -161383 |
| 8legacy | 292 | Schrum, Nathan (1446) | Won 2-0 | +191402 |
| 9legacy | 220 | Powers, John (1463) | Won 2-0 | +191421 |
| top | average opponent: 1486record: 3-5 | new rating: 1421 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1260 | Nolan, David (1665) | Lost 0-2 | -141421 |
| 3modern | 1399 | Meyer, John (1499) | Won 2-0 | +191440 |
| 4modern | 1385 | Dubac, Casey (1519) | Won 2-1 | +201460 |
| 5modern | 1163 | Houle, Rob (1504) | Lost 0-2 | -171443 |
| 6modern | 1257 | Schibanoff, Justin (1527) | Lost 0-2 | -171426 |
| 7modern | 1341 | Milburn, Jared (1410) | Lost 1-2 | -181408 |
| 8modern | 1274 | Bierce, Jerrad (1483) | Won 2-0 | +191427 |
| 9modern | 1212 | Ball, David (1502) | Won 2-0 | +201447 |
| top | average opponent: 1514record: 4-4 | new rating: 1447 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 2 | Pratt, Taylor (1554) | Won 2-0 | +211442 |
| 3legacy | 182 | Gallagher, Phillip (1537) | Won 2-1 | +191461 |
| 4legacy | 3 | Ell, Matthew (1532) | Won 2-0 | +201481 |
| 5legacy | 14 | Cornwell-Shiel, Chris (1501) | Lost 1-2 | -181463 |
| 6legacy | 158 | Pawelzik, Gery (1634) | Lost 1-2 | -151448 |
| 7legacy | 219 | McCarthy, John (1617) | Won 2-1 | +211469 |
| 8legacy | 253 | Bongiorno, Dan (1513) | Lost 1-2 | -171452 |
| 9legacy | 357 | Davis, Andrew (1502) | Lost 1-2 | -171435 |
| top | average opponent: 1549record: 4-4 | new rating: 1435 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 122 | Roper, Derrick (1510) | Lost 0-2 | -171452 |
| 3legacy | 250 | De Los Santos, Julian (1708) | Lost 0-2 | -141438 |
| 4legacy | 334 | Lewis, Stephen (1486) | Lost 1-2 | -171421 |
| 5legacy | 380 | Bibby, Breeanna (1412) | Won 2-1 | +181439 |
| 6legacy | 320 | Kennedy, Michael (1446) | Lost 1-2 | -181421 |
| top | average opponent: 1512record: 1-4 | new rating: 1421 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 162 | Ryder, Sean (1617) | Lost 0-2 | -161484 |
| 5legacy | 121 | Hatfield, Jesse (1613) | Lost 0-2 | -161468 |
| 6legacy | 283 | Pendergast, Thomas (1451) | Won 2-0 | +181486 |
| 7legacy | 257 | Hamilton, Alexander (1539) | Lost 1-2 | -171469 |
| top | average opponent: 1555record: 1-3 | new rating: 1469 | ||