Wdowiasz, Jonathan
Current rating: 1658
Record: 33-24-2
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Abens, Eric (1500) | Won 2-0 | +151659 |
| 2standard | 274 | Sabin, Ryan (1665) | Won 2-1 | +181677 |
| 3standard | 259 | Reid, Kiel (1539) | Won 2-0 | +161693 |
| 4standard | 28 | Renaud, Luke (1753) | Lost 1-2 | -171676 |
| 5standard | 165 | Russell, Tania (1688) | Lost 0-2 | -181658 |
| 6standard | 252 | Huang, Ray (1809) | Won 2-0 | +211679 |
| 7standard | 274 | Branagan, Lyle (1542) | Lost 1-2 | -211658 |
| top | average opponent: 1642record: 4-3 | new rating: 1658 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1662 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 226 | Lohrenz, Will (1378) | Lost 1-2 | -231639 |
| 2sealed | 509 | Bart, Brian K (1483) | Won 2-0 | +151654 |
| 3sealed | 499 | Diprospero, Adam (1501) | Won 2-0 | +161670 |
| 4sealed | 218 | Browning, Richard (1517) | Won 2-0 | +151685 |
| 5sealed | 120 | Bray, Shawn (1647) | Lost 1-2 | -191666 |
| 6sealed | 258 | Young, Brad (1428) | Lost 0-2 | -221644 |
| top | average opponent: 1492record: 3-3 | new rating: 1644 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1646 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 326 | Carr, Rick (1669) | Won 2-0 | +181664 |
| 3sealed | 48 | Chen, Tao (1472) | Won 2-1 | +151679 |
| 4sealed | 164 | Giovannagelo, Christopher (1570) | Won 2-0 | +161695 |
| 5sealed | 2 | Skarren, Frank (2049) | Lost 1-2 | -121683 |
| 6sealed | 173 | Greiner, Tristan (1556) | Lost 0-2 | -201663 |
| 7sealed | 193 | Cyzienski, Eric (1500) | Won 2-0 | +151678 |
| 8sealed | 182 | Davis, Todd (1813) | Lost 1-2 | -161662 |
| top | average opponent: 1661record: 4-3 | new rating: 1662 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1692 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 45 | Conrow, Bernie (1536) | Lost 1-2 | -211671 |
| 4sealed | 160 | Risner, Austin (1520) | Won 2-0 | +161687 |
| 5sealed | 251 | McHugh, Michael (1590) | Lost 0-2 | -201667 |
| 6sealed | 298 | Willis-Woodward, Andrew (1503) | Lost 1-2 | -211646 |
| top | average opponent: 1537record: 1-3 | new rating: 1646 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1739 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 174 | Okoniewski, Peter (1536) | Won 2-1 | +141753 |
| 4standard | 127 | Lee, Jackie (1684) | Lost 0-2 | -191734 |
| 5standard | 303 | Davis, Isaac (1570) | Lost 1-2 | -211713 |
| 6standard | 291 | Bhanot, Meru (1558) | Lost 0-2 | -211692 |
| top | average opponent: 1587record: 1-3 | new rating: 1692 | ||
| Grand Prix Toronto 2012 (modern) | starting rating: 1677 | |||
| round | table | opponent (rating) | result | Δrating |
| 4modern | 21 | Calcano, Christian (1890) | Won 2-1 | +221699 |
| 5modern | 51 | Battistelli, Alex (1558) | Won 2-1 | +151714 |
| 6modern | 17 | McDonough, Adam (1605) | Won 2-0 | +161730 |
| 7modern | 49 | Pardee, Samuel (1746) | Lost 0-2 | -181712 |
| 8modern | 30 | Fang, Harrison (1679) | Won 2-1 | +181730 |
| 9modern | 28 | Edel, Willy (2065) | Lost 0-2 | -121718 |
| 10modern | 42 | Bentley, Johnathan (1542) | Lost 1-2 | -211697 |
| 11modern | 59 | Miller, Dylan (1594) | Won 2-1 | +161713 |
| 12modern | 30 | Bastos, Frederico (1720) | Won 2-1 | +181731 |
| 13modern | 23 | Smith, Robert RC (1797) | Lost 0-0 | -171714 |
| 14modern | 34 | Noworaj, Andrew (1778) | Won 2-1 | +191733 |
| 15modern | 23 | Duke, Reid (2059) | Draw 1-1 | +61739 |
| top | average opponent: 1753record: 7-4-1 | new rating: 1739 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 634 | Castagna, Nicholas (1425) | Draw 1-1 | -11488 |
| 4sealed | 626 | Fedele, Anthony (1442) | Won 2-0 | +171505 |
| 5sealed | 565 | Lin, Win (1498) | Won 2-1 | +181523 |
| 6sealed | 533 | Katz, Ben (1642) | Won 2-1 | +201543 |
| 7sealed | 515 | Ortiz, Jeremy (1588) | Won 2-0 | +191562 |
| 8sealed | 508 | Tietze, Maxwell (1968) | Lost 0-2 | -111551 |
| 9sealed | 528 | Flores, Edgar (1699) | Won 2-1 | +201571 |
| 10sealed | 33 | Iramain, Jorge (1611) | Won 2-1 | +191590 |
| 11draft | 31 | Meeker-Cummings, Robin (1680) | Won 2-1 | +201610 |
| 12draft | 98 | Crivello, Andre (1700) | Lost 0-2 | -171593 |
| 13draft | 23 | Irby, John (1652) | Won 2-0 | +191612 |
| 14draft | 52 | Lindgren, Tommi (1826) | Won 2-0 | +221634 |
| 15draft | 49 | Crane, Patrick (1636) | Won 2-1 | +181652 |
| 16draft | 2 | Soorani, Shaheen (2024) | Won 2-0 | +251677 |
| top | average opponent: 1671record: 11-2-1 | new rating: 1677 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 84 | Benes, John (1520) | Won 2-0 | +181518 |
| 3sealed | 75 | Edel, Willy (1671) | Lost 1-2 | -151503 |
| 4sealed | 178 | Brill, Christopher (1519) | Won 2-1 | +181521 |
| 5sealed | 84 | Gauthier, Martin-Eric (1591) | Lost 0-2 | -161505 |
| 6sealed | 117 | Johnson-Epstein, Jasper (1622) | Lost 1-2 | -161489 |
| top | average opponent: 1585record: 2-3 | new rating: 1489 | ||