Iwaniec, Justin
Current rating: 1537
Record: 5-3
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 96 | Smith, Deion (1590) | Lost 1-2 | -161484 |
| 2standard | 212 | O'Wril, Charles (1484) | Lost 1-2 | -181466 |
| 3standard | 313 | Antonelli, Christopher (1465) | Won 2-0 | +181484 |
| 4standard | 264 | Boyer, James (1487) | Won 2-1 | +181502 |
| 5standard | 247 | Loucks, Sultan (1501) | Won 2-0 | +181520 |
| 6standard | 172 | Schneider, Daniel (1545) | Lost 0-2 | -181502 |
| 7standard | 215 | Wilson, Miles (1438) | Won 2-1 | +171519 |
| 8standard | 152 | Poltorak, Darren (1530) | Won 2-1 | +181537 |
| average opponent: 1505record: 5-3 | new rating: 1537 | |||