Lockhart, Joe
Current rating: 1530
Record: 8-7
| Grand Prix Toronto 2019 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 225 | Shay, Doug (1500) | Won 2-0 | +181531 |
| 2modern | 197 | Li, Jonathan [CAN] (1611) | Lost 0-2 | -161515 |
| 3modern | 336 | Montville, Kenneth (1449) | Won 2-0 | +161531 |
| 4modern | 333 | Voss, Skyler (1466) | Won 2-1 | +171548 |
| 5modern | 99 | Adler, Ethan (1574) | Lost 1-2 | -171531 |
| 6modern | 246 | Watson, Mike (1518) | Won 2-1 | +181549 |
| 7modern | 255 | Chalk, William (1542) | Lost 0-2 | -191530 |
| average opponent: 1523record: 4-3 | new rating: 1530 | |||
| Grand Prix Montreal 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Dubreuil, Patrice (1635) | Won 2-1 | +201520 |
| 2sealed | 67 | Buchanan, Nathan (1623) | Lost 1-2 | -161504 |
| 3sealed | 427 | McSpurren, Dylan (1500) | Lost 0-2 | -181486 |
| 4sealed | 441 | Longo, Tyler (1627) | Lost 1-2 | -151471 |
| 5sealed | 453 | Nolette, Neil (1501) | Won 2-0 | +181489 |
| 6sealed | 342 | Dixon, Caleb (1481) | Won 2-0 | +181507 |
| 7sealed | 284 | Wescoe, Craig (1903) | Lost 1-2 | -111496 |
| 8sealed | 247 | Reno, Dominique (1465) | Won 2-1 | +171513 |
| average opponent: 1592record: 4-4 | new rating: 1513 | |||