Petterson, David
Current rating: 1576
Record: 19-16
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Hawkins, Dave (1500) | Won 2-0 | +181480 |
| 2sealed | 152 | Lawhon, Spencer (1580) | Lost 0-2 | -161464 |
| 3sealed | 608 | Schooley, John (1530) | Lost 1-2 | -171447 |
| 4sealed | 770 | Carpenter, Mikael (1482) | Won 2-0 | +191466 |
| 5sealed | 525 | Patchell, John (1525) | Won 2-1 | +191485 |
| 6sealed | 498 | Laviola, Nicholas (1518) | Won 2-1 | +191504 |
| 7sealed | 194 | Peternell, Nick (1891) | Won 2-0 | +251529 |
| 8sealed | 256 | Sun, Qiushi (1638) | Won 2-1 | +191548 |
| 9sealed | 109 | Culotta, Martin (1645) | Won 2-0 | +201568 |
| 10draft | 209 | Hawklyn, Scott (1603) | Lost 0-2 | -171551 |
| 11draft | 26 | Hatch, Gregory (1807) | Lost 0-0 | -141537 |
| 12draft | 217 | Elliott, Kevin (1587) | Won 2-0 | +191556 |
| 13draft | 221 | Weeke, John (1618) | Lost 1-2 | -171539 |
| 14draft | 177 | Crane, Brandon (1504) | Won 2-0 | +181557 |
| 15draft | 122 | Bruner, Christopher (1626) | Won 2-0 | +191576 |
| top | average opponent: 1603record: 10-5 | new rating: 1576 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 537 | Cappetta, G. J. (1500) | Lost 0-2 | -171462 |
| top | record: 0-1 | new rating: 1462 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 218 | Roybal, Dane (1500) | Lost 0-2 | -191498 |
| 2extended | 251 | Benson, Marty (1482) | Won 2-0 | +181516 |
| 3extended | 156 | Mees, Rob (1501) | Lost 1-2 | -181498 |
| 4extended | 322 | Rideout, Vincent (1473) | Lost 0-2 | -191479 |
| top | average opponent: 1489record: 1-3 | new rating: 1479 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 243 | Owens, Joseph K (1486) | Won 2-1 | +171518 |
| 2standard | 46 | Darby, Scott (1541) | Lost 1-2 | -171501 |
| 3standard | 225 | Ling, Justin A (1436) | Lost 0-2 | -191482 |
| 4standard | 414 | Crider, Greg J (1465) | Won 2-0 | +171499 |
| 5standard | 307 | Wilson, Ken W (1500) | Won 2-0 | +181517 |
| 6standard | 302 | Conlin, Morgan (1484) | Won 2-1 | +181535 |
| 7standard | 133 | Morrigan, Seth (1535) | Lost 1-2 | -181517 |
| top | average opponent: 1492record: 4-3 | new rating: 1517 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 91 | Pierce, Marcus J (1519) | Won 2-1 | +181518 |
| 2extended | 164 | Job, Jonathan (1602) | Lost 0-2 | -161502 |
| 3extended | 288 | Krizan, Zach (1543) | Won 2-0 | +191521 |
| 4extended | 167 | McGough, Joseph (1518) | Lost 0-2 | -181503 |
| 5extended | 301 | Moss, Stephen (1499) | Won 2-0 | +181521 |
| 6extended | 176 | Tatum, Jeffrey (1484) | Won 2-0 | +171538 |
| 7extended | 157 | Nishimura, Timothy (1601) | Lost 0-2 | -171521 |
| 8extended | 155 | Gonzales, Roberto (1394) | Lost 1-2 | -201501 |
| top | average opponent: 1520record: 4-4 | new rating: 1501 | ||