Zielinski, Jason
Current rating: 1497
Record: 14-16
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1520 | Jones, Madalyn (1480) | Won 2-1 | +191443 |
| 2legacy | 1483 | Zheng, Kevin (1551) | Won 2-1 | +201463 |
| 3legacy | 1532 | Latham, Kenny (1535) | Won 2-1 | +201483 |
| 4legacy | 1437 | Marshall, Steven (1574) | Lost 0-2 | -171466 |
| 5legacy | 1625 | English, Eric (1739) | Lost 1-2 | -131453 |
| 6legacy | 1659 | Brumby, Gene (1643) | Won 2-0 | +221475 |
| 7legacy | 1638 | Rhett, Matthew (1514) | Won 2-0 | +181493 |
| 8legacy | 1490 | Rosario Jr., Wil (1593) | Won 2-1 | +201513 |
| 9legacy | 1501 | Mattiuzzo, Richard (1607) | Lost 1-2 | -161497 |
| top | average opponent: 1582record: 6-3 | new rating: 1497 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 183 | Madden, Walter (1500) | Won 2-1 | +191454 |
| 2modern | 83 | Knight, Joshua (1447) | Lost 0-2 | -181436 |
| 3modern | 281 | Kaufmann, Loran (1504) | Lost 0-2 | -171419 |
| 4modern | 537 | Chang, Chingsung (1450) | Won 2-1 | +191438 |
| 5modern | 364 | Dunning, Edward (1688) | Lost 1-2 | -141424 |
| top | average opponent: 1518record: 2-3 | new rating: 1424 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 69 | Goodman, Stephen (1500) | Lost 0-2 | -171414 |
| 2modern | 610 | McDougall, Adam (1482) | Lost 0-2 | -161398 |
| 3modern | 705 | Basseri, Yashar (1401) | Won 2-0 | +181416 |
| 4modern | 661 | Awe, Brent (1431) | Won 2-0 | +181434 |
| 5modern | 415 | Thompson, Miles (1499) | Won 2-0 | +191453 |
| 6modern | 265 | Allward, David (1452) | Lost 0-2 | -181435 |
| top | average opponent: 1461record: 3-3 | new rating: 1435 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 350 | Rice, David B (1426) | Lost 0-2 | -181428 |
| 2legacy | 557 | Vincik, Adam (1482) | Lost 0-2 | -171411 |
| 3legacy | 736 | Powell, Ben (1457) | Won 2-0 | +191430 |
| 4legacy | 762 | Wilkinson, Ricky (1434) | Won 2-0 | +181448 |
| 5legacy | 500 | Smith, Derrik (1525) | Lost 1-2 | -171431 |
| top | average opponent: 1465record: 2-3 | new rating: 1431 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 144 | Sriharan, Sitharthan (1500) | Lost 1-2 | -181482 |
| 2standard | 455 | Colaco, Marc (1485) | Lost 0-2 | -181464 |
| 3standard | 693 | Dos Reis, Louis (1464) | Won 2-0 | +181482 |
| 4standard | 659 | Stoneking, Riley (1481) | Lost 1-2 | -181464 |
| 5standard | 685 | Snipes, Casey (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1479record: 1-4 | new rating: 1446 | ||