Vulfs, Justin
Current rating: 1657
Record: 23-16
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 266 | Fontaine, David (1415) | Won 2-0 | +141655 |
| 2sealed | 72 | Quinn, Stephen (1586) | Won 0-0 | +171672 |
| 3sealed | 146 | Posey, Vincent (1536) | Won 2-0 | +151687 |
| 4sealed | 40 | Soorani, Shaheen (2148) | Lost 1-2 | -101677 |
| 5sealed | 97 | Leenhouts, Garrick (1501) | Won 2-1 | +151692 |
| 6sealed | 127 | Chen, Gregory (1676) | Lost 0-2 | -181674 |
| 7sealed | 202 | Duval, Dylan (1759) | Lost 1-2 | -171657 |
| top | average opponent: 1660record: 4-3 | new rating: 1657 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 208 | Lopez, Eric (1609) | Won 2-0 | +181629 |
| 2sealed | 109 | Whittington, Michael (1537) | Won 2-0 | +161645 |
| 3sealed | 212 | Lariviere, Frederic (1530) | Won 2-0 | +161661 |
| 4sealed | 88 | Goldfarb, David (1812) | Lost 0-2 | -151646 |
| 5sealed | 210 | Saddy, Julian (1491) | Lost 0-2 | -211625 |
| 6sealed | 250 | Gagnon-Chretien, Maxime (1525) | Won 2-0 | +161641 |
| 7sealed | 102 | Roth, Marcus (1658) | Won 2-1 | +191660 |
| 8sealed | 115 | Moynihan, Christopher (1627) | Lost 0-2 | -191641 |
| top | average opponent: 1599record: 5-3 | new rating: 1641 | ||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 112 | Cline, Branden (1584) | Lost 0-2 | -171545 |
| 4standard | 119 | Sottile, Aiden (1578) | Lost 1-2 | -181527 |
| 5standard | 255 | Bregman, Sam (1465) | Won 2-0 | +171544 |
| 6standard | 131 | Babb, Joshua (1486) | Won 1-0 | +171561 |
| 7standard | 119 | Guy, Sam (1490) | Won 2-1 | +171578 |
| 8standard | 63 | Petre, Evan (1835) | Won 2-1 | +221600 |
| 9standard | 60 | Nelson, Dan (1712) | Lost 1-2 | -161584 |
| 10standard | 74 | Delvalle, Nicolas (1604) | Won 2-1 | +191603 |
| 11standard | 39 | Horton, Joseph (1672) | Won 2-1 | +191622 |
| 12standard | 26 | Schrantz, Mac (1813) | Lost 0-2 | -141608 |
| 13standard | 38 | Quiroga, Eric (1546) | Won 2-1 | +161624 |
| 14standard | 27 | Chin, Ricky (1888) | Lost 0-2 | -131611 |
| top | average opponent: 1639record: 7-5 | new rating: 1611 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Trumble, Christopher (1500) | Won 2-0 | +181518 |
| 2standard | 324 | Hathaway, Patrick (1518) | Won 2-0 | +181536 |
| 3standard | 350 | Schilha, Eric (1808) | Won 2-0 | +231559 |
| 4standard | 144 | Davis, Randy (1738) | Won 2-0 | +211580 |
| 5standard | 87 | Zhu, Yuxuan (1638) | Lost 1-2 | -171563 |
| 6standard | 133 | Barry, Thomas (1748) | Won 2-1 | +211584 |
| 7standard | 128 | Petre, Evan (1850) | Lost 0-2 | -131571 |
| 8standard | 224 | Wolbers, Andrew (1789) | Lost 0-2 | -141557 |
| 9standard | 191 | Bowman, Jeremy (1700) | Won 2-0 | +211578 |
| 10standard | 144 | Rawlings, Peter (1739) | Lost 1-2 | -151563 |
| 11standard | 214 | Jones, Scott (1450) | Won 2-1 | +161579 |
| 12standard | 128 | Lampkin, Patrick (1678) | Lost 1-2 | -171562 |
| top | average opponent: 1680record: 7-5 | new rating: 1562 | ||