Zhang, David
Current rating: 1606
Record: 27-21
| Regional Championships Toronto 2023 Cycle 4 (pioneer) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 35 | Powell, Charles (1457) | Won 2-0 | +141678 |
| 2pioneer | 70 | Giglia, Noah (1521) | Lost 0-2 | -211657 |
| 3pioneer | 103 | Mead, Michael (1647) | Lost 1-2 | -181639 |
| 4pioneer | 122 | Nguyen, Lan (1683) | Lost 0-2 | -171622 |
| 5pioneer | 120 | Carlile, Chris (1723) | Lost 0-2 | -161606 |
| top | average opponent: 1606record: 1-4 | new rating: 1606 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 1626 | Molina, Mario (1568) | Won 2-1 | +161667 |
| 3legacy | 1585 | Krause, Nicholas (1540) | Won 2-0 | +161683 |
| 4legacy | 1518 | Crone, Ryan (1569) | Won 2-0 | +161699 |
| 5legacy | 1423 | Parke, Jamie (2091) | Lost 0-2 | -111688 |
| 6legacy | 1451 | Olson, Tracy (1554) | Lost 1-2 | -211667 |
| 7legacy | 1547 | Hillman, Lowell (1581) | Won 2-0 | +171684 |
| 8legacy | 1488 | Chin, Richard (1599) | Lost 1-2 | -201664 |
| top | average opponent: 1643record: 4-3 | new rating: 1664 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 240 | Dion-Pelletier, Gabriel (1484) | Won 2-0 | +151673 |
| 4modern | 100 | Leister, Nicole (1604) | Lost 0-2 | -191654 |
| 5modern | 278 | Cuccurullo, Luke (1600) | Won 2-1 | +171671 |
| 6modern | 145 | Gerhardt, Scott (1718) | Won 2-0 | +191690 |
| 7modern | 108 | Green, Dan (1567) | Lost 1-2 | -211669 |
| 8modern | 181 | Zhang, Peter (1626) | Lost 1-2 | -181651 |
| top | average opponent: 1600record: 3-3 | new rating: 1651 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 309 | Cook, Kyle (1500) | Won 2-0 | +171560 |
| 3legacy | 554 | Barrett, Chris (1526) | Won 2-0 | +171577 |
| 4legacy | 110 | Tang, Robert (1564) | Won 2-0 | +181595 |
| 5legacy | 10 | Fornaro, Christopher (1617) | Won 2-0 | +191614 |
| 6legacy | 35 | Wolfe, Ryan (1444) | Won 2-0 | +151629 |
| 7legacy | 266 | Krotkov, Andrei (1619) | Lost 1-2 | -191610 |
| 8legacy | 82 | Donegan, Dylan (1639) | Lost 0-2 | -171593 |
| 9legacy | 181 | Copenhaver, Eric (1615) | Won 2-1 | +181611 |
| 10legacy | 102 | Boswell, Andrew (1738) | Won 2-0 | +211632 |
| 11legacy | 29 | Weaver, James (1673) | Won 2-0 | +181650 |
| 12legacy | 41 | Hatfield, Alix (1963) | Lost 1-2 | -121638 |
| 13legacy | 47 | Turpin, Andrew (1655) | Lost 1-2 | -181620 |
| 14legacy | 70 | van Driel, Boaz (1572) | Won 2-1 | +171637 |
| 15legacy | 56 | Sokol, Mason (1798) | Won 2-0 | +211658 |
| top | average opponent: 1637record: 10-4 | new rating: 1658 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 341 | Fleming, Matthew (1482) | Won 2-0 | +181518 |
| 2standard | 123 | Hollis, Tim (1517) | Won 2-0 | +181536 |
| 3standard | 268 | Labutka, Adam (1528) | Won 2-1 | +181554 |
| 4standard | 204 | Haak, Bryan (1509) | Won 2-1 | +171571 |
| 5standard | 25 | Westbrook, Matthew (1518) | Won 2-0 | +171588 |
| 6standard | 8 | White, Harold (1639) | Won 2-1 | +191607 |
| 7standard | 25 | Ashford, Marshall (1682) | Lost 1-2 | -171590 |
| 8standard | 24 | Samson, Daniel (1662) | Lost 1-2 | -171573 |
| 9standard | 78 | Applegate, David (1542) | Won 2-0 | +181591 |
| 10standard | 88 | Palama, Phillip (1579) | Lost 0-2 | -181573 |
| 11standard | 86 | Hall, Zack (1813) | Lost 1-2 | -141559 |
| 12standard | 92 | Forsberg, Ryan (1657) | Lost 1-2 | -161543 |
| 13standard | 92 | Hall, Lukasz (1555) | Won 2-0 | +181561 |
| 14standard | 81 | Kandziolka, James (1609) | Won 2-1 | +191580 |
| 15standard | 64 | Heflin, Emily (1591) | Lost 1-2 | -181562 |
| 16standard | 70 | Wenokor, Eric (1498) | Lost 1-2 | -191543 |
| top | average opponent: 1586record: 9-7 | new rating: 1543 | ||