Dziedziak, Matthew
Current rating: 1509
Record: 8-7
| Grand Prix Hartford 2018 (modern) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 145 | Marr, Sam (1475) | Lost 1-2 | -191532 |
| 2modern | 451 | Melo, Joseph (1482) | Won 2-0 | +171549 |
| 3modern | 526 | Jones, Zachary (1501) | Lost 0-2 | -191530 |
| 4modern | 688 | Brennan, James (1482) | Won 2-0 | +171547 |
| 5modern | 435 | Kolpack, Andrew (1468) | Lost 0-2 | -201527 |
| 6modern | 633 | Sellick, Adam (1479) | Lost 0-2 | -181509 |
| average opponent: 1481record: 2-4 | new rating: 1509 | |||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 143 | Iliev, Lubo (1500) | Won 2-1 | +181518 |
| 2standard | 77 | Murgo, Domenic (1433) | Won 2-1 | +161534 |
| 3standard | 58 | Bruce, Adam (1503) | Lost 1-2 | -181516 |
| 4standard | 270 | Crave, Kevin (1526) | Won 2-0 | +181534 |
| 5standard | 70 | Boeve-Winquist, Benjamin (1516) | Lost 0-2 | -181516 |
| 6standard | 248 | Cliff, Harry (1522) | Won 2-0 | +181534 |
| 7standard | 183 | Boillot, Aramis (1511) | Won 2-0 | +171551 |
| 8standard | 110 | Tillotson, Kenneth (1511) | Won 2-1 | +181569 |
| 9standard | 44 | Campbell, Daniel (1581) | Lost 0-0 | -181551 |
| average opponent: 1511record: 6-3 | new rating: 1551 | |||