Feldman, Zachary
Current rating: 1642
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Goodwin, Adam (1574) | Won 2-0 | +181565 |
| 2sealed | 168 | Berkowitz, Louis (1561) | Won 2-1 | +181583 |
| 3sealed | 65 | Rapp, Michael (1577) | Won 2-1 | +181601 |
| 4sealed | 91 | Madsen, Timothy (1635) | Lost 0-2 | -171584 |
| 5sealed | 128 | Aiello, Justin (1632) | Won 2-0 | +191603 |
| 6sealed | 116 | Patelakis, Steve (1760) | Won 2-0 | +211624 |
| 7sealed | 18 | Perez Jr., Raymond (1728) | Won 2-0 | +201644 |
| 8sealed | 22 | Bain, Scott (1561) | Lost 1-2 | -201624 |
| 9sealed | 40 | Vizaro, Justin (1692) | Won 2-0 | +191643 |
| 10draft | 173 | Lam, Charlie (1574) | Lost 1-2 | -191624 |
| 11draft | 191 | Yorke, Chris (1545) | Lost 1-2 | -191605 |
| 12draft | 197 | Remillard, Michel (1753) | Lost 0-2 | -161589 |
| 13draft | 211 | Vizaro, Justin (1658) | Won 2-1 | +191608 |
| 14draft | 175 | Dugal, Louis-Philippe (1538) | Won 2-0 | +171625 |
| 15draft | 186 | Bisson, Stephane (1571) | Won 2-0 | +171642 |
| top | average opponent: 1624record: 10-5 | new rating: 1642 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 432 | Patyk, Bryson (1500) | Won 2-0 | +191485 |
| 2sealed | 131 | Kingsley, James W (1497) | Lost 0-2 | -181467 |
| 3sealed | 570 | Goldman, Gabriel (1446) | Won 2-0 | +181485 |
| 4sealed | 237 | Aiken, Simone (1688) | Lost 0-2 | -151470 |
| 5sealed | 503 | Yeh, Martin (1594) | Won 2-1 | +211491 |
| 6sealed | 358 | Clark, Brian (1571) | Won 2-0 | +191510 |
| 7sealed | 309 | Robinson, Bradley (1766) | Won 2-1 | +231533 |
| 8sealed | 184 | Fairchild, Eric (1555) | Lost 1-2 | -181515 |
| 9sealed | 207 | Buck, Robert (1597) | Won 2-0 | +191534 |
| 10draft | 759 | Sawyer, Alex (1703) | Won 2-0 | +211555 |
| 11draft | 698 | Yam, Philip (1924) | Won 2-1 | +251580 |
| 12draft | 771 | Rightmyer, Rory (1703) | Lost 0-2 | -161564 |
| 13draft | 790 | Winata, Andrew (1565) | Lost 0-2 | -181546 |
| 14draft | 773 | Moody, Trey (1519) | Won 2-0 | +181564 |
| 15draft | 702 | Fonseka, Aruna (1636) | Lost 1-2 | -171547 |
| top | average opponent: 1618record: 9-6 | new rating: 1547 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 423 | D'Angelo, Christopher (1557) | Lost 1-2 | -171483 |
| 2sealed | 438 | Lizzi, Adam (1545) | Lost 1-2 | -171466 |
| top | average opponent: 1551record: 0-2 | new rating: 1466 | ||