Zbrog, Matt
Current rating: 1485
Record: 4-5
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Horn, Doug (1500) | Won 2-0 | +191501 |
| 2sealed | 27 | Reynolds, Rachel (1572) | Won 2-1 | +191520 |
| 3sealed | 52 | Apodaca, Gilbert (1536) | Lost 1-2 | -181502 |
| 4sealed | 103 | Patterson III, MacKenzie (1525) | Lost 0-2 | -171485 |
| average opponent: 1533record: 2-2 | new rating: 1485 | |||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 140 | frantz, chad (1500) | Won 2-0 | +181518 |
| 2extended | 51 | Johnson, Patrick (1522) | Lost 1-2 | -181500 |
| 3extended | 75 | Anderson, Gary (1500) | Won 2-0 | +181518 |
| 4extended | 97 | Beacham, Steve (1539) | Lost 1-2 | -181500 |
| 5extended | 144 | Veloz, D. (1500) | Lost 1-2 | -181482 |
| average opponent: 1512record: 2-3 | new rating: 1482 | |||