souza, justin
Current rating: 1562
Record: 11-8-2
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 249 | Johnson, Andrew (1884) | Won 2-0 | +241588 |
| 2sealed | 306 | McConnaughey, Adam (1500) | Lost 0-2 | -201568 |
| 3sealed | 254 | Dickinson, Geoffrey (1500) | Won 2-0 | +171585 |
| 4sealed | 298 | Haglund, Brendan (1453) | Lost 0-2 | -201565 |
| 5sealed | 400 | Helman, Zechariah (1499) | Won 2-1 | +171582 |
| 6sealed | 283 | Huggins, Mike (1522) | Lost 1-2 | -201562 |
| average opponent: 1560record: 3-3 | new rating: 1562 | |||
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 128 | Rappaport, Josh (1500) | Won 2-0 | +181518 |
| 2extended | 146 | Stickney, Adam (1571) | Won 2-1 | +191537 |
| 3extended | 110 | Taulbee, Brad (1643) | Won 2-0 | +201557 |
| 4extended | 55 | Fletcher, Owen (1534) | Lost 1-2 | -191538 |
| 5extended | 131 | Panzini, Scott (1605) | Won 2-1 | +201558 |
| 6extended | 26 | Emmert, Mike (1714) | Won 2-1 | +211579 |
| 7extended | 30 | Ravitz, Joshua (1642) | Won 2-0 | +191598 |
| 8extended | 27 | Bridy, Dan (1692) | Won 2-0 | +191617 |
| 9extended | 17 | Ortiz, Jason (1608) | Won 2-0 | +181635 |
| 10extended | 7 | Prochak, Chris (1748) | Draw 1-1 | +21637 |
| 11extended | 5 | Pazona, Jon (1679) | Draw 0-0 | +11638 |
| 12extended | 13 | Rose, Marty (1658) | Lost 0-2 | -181620 |
| 13extended | 20 | Zheng, Frank (1618) | Lost 1-2 | -181602 |
| 14extended | 24 | Lu, Henry (1557) | Lost 0-2 | -181584 |
| 15extended | 26 | Pettingill, Christopher (1518) | Lost 0-2 | -201564 |
| average opponent: 1619record: 8-5-2 | new rating: 1564 | |||