Petersen, Bryan
Current rating: 1621
Record: 15-9-1 (GP) / 4-3 (professional)
| Grand Prix Seattle 2005 (extended) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 20 | Lindquist, Ian (1518) | Won 2-0 | +161616 |
| 3extended | 52 | Levin, Eugene (1698) | Lost 0-2 | -161600 |
| 4extended | 99 | Stockbrugger, Kurt (1501) | Won 2-0 | +161616 |
| 5extended | 32 | Lytle, Joshua (1475) | Won 2-0 | +151631 |
| 6extended | 20 | Kizer, Bryon (1553) | Won 2-1 | +171648 |
| 7extended | 11 | Niedelman, Benjamin (1521) | Won 2-1 | +161664 |
| 8extended | 11 | Eleyet, Bryan (1543) | Lost 0-2 | -211643 |
| 9extended | 30 | Tsumura, Kenji (1698) | Won 2-1 | +191662 |
| 10extended | 15 | Barnett, Stephen (1601) | Lost 1-2 | -191643 |
| 11extended | 21 | Gribble, Dylon (1663) | Lost 0-2 | -171626 |
| 12extended | 25 | Gorham, Ernie (1564) | Lost 0-2 | -191607 |
| 13extended | 27 | Twarog, Eric (1526) | Draw 1-1 | -21605 |
| 14extended | 28 | Wysong, Richard (1502) | Won 2-0 | +161621 |
| top | average opponent: 1566record: 7-5-1 | new rating: 1621 | ||
| Grand Prix Seattle 2000 (extended) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 52 | Oden, Ben (1518) | Won 0-0 | +181543 |
| 3extended | 21 | Smith, Gregory (1536) | Won 0-0 | +181561 |
| 4extended | 17 | McKenna, Timothy (1546) | Lost 0-0 | -181543 |
| 5extended | 54 | Gould, Steve (1536) | Won 0-0 | +181561 |
| 6extended | 24 | Moser, Trevor (1555) | Won 0-0 | +171578 |
| 7extended | 20 | Jensen, William (1860) | Won 0-0 | +231601 |
| 8extended | 6 | Reynolds, Ryan (1540) | Lost 0-0 | -191582 |
| 9extended | 20 | Gartman, Christopher (1525) | Lost 0-0 | -191563 |
| 10extended | 25 | Morawski, Jonathan (1522) | Won 0-0 | +181581 |
| 11extended | 19 | Dougherty, Robert (1659) | Lost 0-0 | -171564 |
| 12extended | 17 | Tsay, Tony (1555) | Won 0-0 | +181582 |
| 13extended | 12 | Lawrence, Don (1580) | Won 0-0 | +181600 |
| top | average opponent: 1578record: 8-4 | new rating: 1600 | ||
| Pro Tour London 1999 (UDS draft) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 22 | Gemund, Tobias (1466) | Lost 1-2 | -191481 |
| 2draft | 83 | Donovan, Patrick (1519) | Lost 0-2 | -171464 |
| 3draft | 140 | Masuda, Masakazu (1469) | Won 2-1 | +181482 |
| 4draft | 146 | Gray, David (1482) | Won 2-0 | +181500 |
| 5draft | 132 | Finkel, Jon (1919) | Lost 0-2 | -111489 |
| 6draft | 125 | Carter, John (1459) | Won 2-0 | +181507 |
| 7draft | 104 | Ng, Chi Fai (1526) | Won 2-0 | +181525 |
| top | average opponent: 1549record: 4-3 | new rating: 1525 | ||