Gurczynski, Ben
Current rating: 1421
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 609 | Dameron, Joshua (1447) | Won 2-0 | +181447 |
| 2sealed | 9 | McIndoe, Robert (1518) | Lost 0-2 | -171430 |
| 3sealed | 413 | Lozano, Franz (1492) | Lost 1-2 | -161414 |
| 4sealed | 618 | Milliken, Seth (1529) | Lost 1-2 | -161398 |
| 5sealed | 730 | Puente, Joaquin (1464) | Won 2-0 | +191417 |
| 6sealed | 624 | Lindsay, Andrew (1550) | Won 2-0 | +201437 |
| 7sealed | 534 | Everman, Connor (1556) | Lost 0-2 | -161421 |
| top | average opponent: 1508record: 3-4 | new rating: 1421 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 244 | Cuellar, Nicholas (1500) | Lost 1-2 | -181462 |
| 2standard | 491 | Trojan, Jay (1597) | Lost 0-2 | -151447 |
| 3standard | 881 | McMillan, Ryan (1464) | Lost 1-2 | -181429 |
| top | average opponent: 1521record: 0-3 | new rating: 1429 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Capps, Scott (1500) | Lost 0-2 | -181482 |
| 2sealed | 460 | Oliver, Byron (1429) | Lost 0-2 | -191463 |
| 3sealed | 523 | Scherer, Zachary (1465) | Won 2-0 | +181481 |
| 4sealed | 351 | Phommaksone, Simon (1481) | Lost 0-2 | -181463 |
| 5sealed | 435 | Isenhower, Cade (1465) | Won 1-0 | +181481 |
| 6sealed | 344 | Rojas, Andres (1432) | Won 2-0 | +171498 |
| 7sealed | 251 | Mouton, Andre (1470) | Lost 0-2 | -181480 |
| top | average opponent: 1463record: 3-4 | new rating: 1480 | ||