Poltis, Bob
Current rating: 1409
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Fox, Douglas (1428) | Lost 1-2 | -181419 |
| 2sealed | 518 | Mastrantoni, Joseph (1484) | Lost 0-2 | -171402 |
| 3sealed | 820 | Ploughman, Daniel (1464) | Won 2-0 | +191421 |
| 4sealed | 665 | Swanson, Brian (1481) | Lost 1-2 | -161405 |
| 5sealed | 691 | Gresh, Julianne (1461) | Won 1-0 | +191424 |
| 6sealed | 545 | Jones, Nathan (1598) | Lost 0-2 | -151409 |
| top | average opponent: 1486record: 2-4 | new rating: 1409 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Kelahan, Seamus (1523) | Won 2-0 | +191483 |
| 2sealed | 119 | Smithers, Alex (1518) | Won 2-0 | +181501 |
| 3sealed | 31 | McFadden, Robert (1540) | Lost 0-2 | -171484 |
| 4sealed | 136 | Moulton, Jesse (1529) | Lost 1-2 | -171467 |
| 5sealed | 150 | Hahn, Jurgen (1804) | Lost 0-2 | -121455 |
| 6sealed | 189 | Ketel, Ben (1482) | Lost 0-2 | -181437 |
| top | average opponent: 1566record: 2-4 | new rating: 1437 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 66 | Holland, Bob (1510) | Draw 1-1 | 01500 |
| 2legacy | 161 | O'Neal, Paul (1506) | Lost 0-2 | -181482 |
| 3legacy | 238 | Esterle, Jon (1482) | Lost 0-2 | -181464 |
| 4legacy | 282 | DeFazio, Mike (1465) | Lost 0-2 | -181446 |
| 5legacy | 261 | Learnihan, Brendan (1444) | Draw 1-1 | 01446 |
| 6legacy | 221 | Collins, Aaron A (1429) | Won 2-0 | +181464 |
| 7legacy | 170 | Winser, Michael (1447) | Draw 1-1 | 01464 |
| top | average opponent: 1469record: 1-3-3 | new rating: 1464 | ||