Nieft, John C
Current rating: 1534
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Griffith, Lauren (1414) | Won 2-0 | +161532 |
| 2standard | 252 | Beck, Collen (1483) | Won 2-0 | +171549 |
| 3standard | 158 | Pritt, Gary (1497) | Won 2-0 | +171566 |
| 4standard | 46 | Komisarow, Kirk (1537) | Lost 0-2 | -181548 |
| 5standard | 260 | Compton, Eddie (1578) | Won 2-0 | +181566 |
| 6standard | 83 | Geary, Justin (1745) | Lost 0-2 | -141552 |
| 7standard | 337 | McGovern, Clint (1593) | Lost 1-2 | -181534 |
| 8standard | 316 | Jones, Jeff (1534) | Lost 1-2 | -181516 |
| 9standard | 297 | Nakata, Stacey (1498) | Won 2-0 | +181534 |
| top | average opponent: 1542record: 5-4 | new rating: 1534 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 436 | McClasky, Derek (1515) | Draw 1-1 | 01517 |
| 3legacy | 501 | Compton, Travis (1517) | Won 2-0 | +181535 |
| 4legacy | 482 | Cai, Adam (1500) | Draw 1-1 | -11534 |
| 5legacy | 532 | Enokian, Anthony (1535) | Lost 0-2 | -181516 |
| top | average opponent: 1517record: 1-1-2 | new rating: 1516 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 327 | Pullman, Shawn P (1430) | Lost 1-2 | -191481 |
| 2sealed | 334 | Stratton, Travis D (1483) | Lost 1-2 | -181463 |
| 3sealed | 456 | Goings, Adin (1464) | Won 2-1 | +181481 |
| 4sealed | 441 | Nordlund, Dan (1483) | Won 2-1 | +181499 |
| 5sealed | 376 | Froom, Matt (1500) | Won 2-1 | +181517 |
| 6sealed | 163 | Crivello, Andy (1562) | Won 2-1 | +191536 |
| 7sealed | 147 | Saari, Tim (1485) | Won 2-0 | +171553 |
| 8sealed | 74 | Reifsteck, Nathan D (1546) | Lost 1-2 | -181535 |
| 9sealed | 126 | Fehr, Dan (1536) | Lost 1-2 | -181517 |
| top | average opponent: 1499record: 5-4 | new rating: 1517 | ||