Sinkovich, Mary
Current rating: 1482
Record: 11-13
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 418 | Meyer, Daniel (1500) | Lost 0-2 | -181502 |
| 2standard | 571 | Kelly, Dylan (1483) | Won 2-0 | +181520 |
| 3standard | 585 | Brodie, Daniel (1470) | Lost 1-2 | -191501 |
| 4standard | 676 | Allen, Terry (1485) | Lost 1-2 | -191482 |
| top | average opponent: 1485record: 1-3 | new rating: 1482 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 194 | Blanchard, Nick (1500) | Lost 0-2 | -181483 |
| 2standard | 450 | Mercado, Billy Joe (1480) | Won 2-0 | +181501 |
| 3standard | 432 | Sprouse, Joseph (1500) | Lost 0-2 | -181483 |
| 4standard | 578 | Maggiore, Nicholas (1431) | Lost 1-2 | -191464 |
| 5standard | 660 | Tausek, Christopher (1465) | Won 2-1 | +181482 |
| 6standard | 572 | Greco, Carmen (1464) | Won 2-1 | +181500 |
| 7standard | 97 | Gharet, Albert (1444) | Won 2-0 | +171517 |
| 8standard | 316 | Zulinski, Seth (1493) | Won 2-0 | +171534 |
| 9standard | 307 | Huang, Ray (1749) | Lost 1-2 | -141520 |
| top | average opponent: 1503record: 5-4 | new rating: 1520 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 442 | Baker, Mark (1502) | Won 2-1 | +191482 |
| 2standard | 24 | Saypoff, Matthew (1816) | Lost 0-2 | -121470 |
| 3standard | 578 | Librizzi, Fulano (1500) | Won 2-0 | +181488 |
| 4standard | 559 | Dombek, Jeremy (1635) | Lost 0-2 | -151473 |
| 5standard | 591 | Mortenson, Jacob (1503) | Won 2-0 | +181491 |
| 6standard | 485 | Jarusinsky, Jason (1528) | Won 2-1 | +191510 |
| 7standard | 426 | Paris, Andrew (1737) | Lost 1-2 | -141496 |
| 8standard | 386 | Baez, Jean (1509) | Won 2-1 | +181514 |
| 9standard | 359 | Parke, Jamie (1786) | Lost 0-2 | -131501 |
| top | average opponent: 1613record: 5-4 | new rating: 1501 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 443 | Thomas, Brian (1451) | Lost 0-2 | -191481 |
| 2sealed | 498 | Beaman, PJ (1482) | Lost 0-2 | -181463 |
| top | average opponent: 1467record: 0-2 | new rating: 1463 | ||