Heiser, Doug
Current rating: 1701 (#6485)
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1692 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 193 | Matthews, Odos (1560) | Won 2-0 | +161708 |
| 2standard | 267 | Huddleston, Ethen (1519) | Won 2-0 | +151723 |
| 3standard | 324 | Tobiasch, Marc (1882) | Won 2-0 | +211744 |
| 4standard | 153 | Lowry, William (1774) | Won 2-1 | +181762 |
| 5standard | 3 | DiMascio, Jared (1578) | Won 2-1 | +151777 |
| 6standard | 5 | Berni, Roberto (1747) | Won 2-0 | +171794 |
| 7standard | 16 | Spain, Taylor (1636) | Lost 1-2 | -211773 |
| 8standard | 76 | Deslaurier, Hank (1595) | Lost 0-2 | -211752 |
| 9standard | 57 | Lingelbach, Chase (1595) | Lost 1-2 | -211731 |
| 10standard | 198 | Blackmor, Jason (1560) | Lost 0-2 | -211710 |
| 11standard | 211 | Livernoche, Alexandre (1470) | Draw 1-1 | -41706 |
| 12standard | 205 | Henderson II, LaVance (1570) | Won 2-0 | +151721 |
| 13standard | 166 | Wallace, Michael (1562) | Lost 0-2 | -201701 |
| top | average opponent: 1619record: 7-5-1 | new rating: 1701 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 202 | Bazazzadeh, Kevin (1500) | Won 2-0 | +171577 |
| 2sealed | 389 | Herren, Josh (1517) | Lost 0-2 | -201557 |
| 3sealed | 341 | Rouse, Derek (1502) | Won 2-1 | +171574 |
| 4sealed | 271 | Saleh, Keyafar (1596) | Won 2-0 | +191593 |
| 5sealed | 203 | Slingerland, Maxfield (1606) | Won 2-0 | +181611 |
| 6sealed | 72 | Cox, Patrick (1936) | Won 2-0 | +241635 |
| 7sealed | 50 | Jordan, Luke (1482) | Won 2-1 | +151650 |
| 8sealed | 38 | Mining, Andrew (1554) | Won 2-1 | +161666 |
| 9sealed | 22 | Manfield, Seth (2044) | Won 2-1 | +251691 |
| 10draft | 63 | Williams, Harold (1663) | Won 2-1 | +171708 |
| 11draft | 24 | Ballew, Trey (1701) | Won 2-1 | +181726 |
| 12draft | 2 | Nass, Matthew (2035) | Lost 0-2 | -121714 |
| 13draft | 20 | Jordan, Michael (1640) | Won 2-1 | +161730 |
| 14draft | 40 | Ganz, Andreas (1766) | Lost 0-2 | -171713 |
| 15draft | 12 | Blackmon, Nathan (1573) | Lost 1-2 | -211692 |
| top | average opponent: 1674record: 11-4 | new rating: 1692 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 96 | Maurin, Kevin (1500) | Won 2-0 | +181518 |
| 2standard | 182 | Armstrong, Herman (1634) | Won 2-1 | +201538 |
| 3standard | 101 | Sullano, Andrew (1559) | Draw 1-1 | 01538 |
| 4standard | 98 | Herren, Jason (1595) | Lost 0-2 | -161522 |
| 5standard | 164 | Barrett, Gary (1518) | Won 2-0 | +171539 |
| 6standard | 106 | Hubbard, Alan (1668) | Won 2-1 | +211560 |
| 7standard | 64 | RANGEL, JESUS P (1489) | Won 2-1 | +161576 |
| 8standard | 39 | Gonzales, Jeremy (1569) | Draw 1-1 | 01576 |
| 9standard | 73 | Saba, Adam (1571) | Won 1-0 | +181594 |
| 10standard | 44 | Rugh, Stephen (1587) | Lost 1-2 | -181576 |
| 11standard | 54 | Vazquez, Juan (1602) | Won 2-0 | +191595 |
| 12standard | 41 | Chang, Morgan (1715) | Lost 0-2 | -161579 |
| 13standard | 49 | Johnston, Ben (1516) | Lost 0-2 | -191560 |
| top | average opponent: 1579record: 7-4-2 | new rating: 1560 | ||