Gregg, Tony E
Current rating: 1568
Record: 27-24-2
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 45 | Marlowe, Will S (1518) | Won 2-1 | +171566 |
| 3sealed | 49 | Stricoff, Jacob (1536) | Lost 1-2 | -191547 |
| 4sealed | 212 | Berry, Lynn (1617) | Won 2-0 | +201567 |
| 5sealed | 154 | Brooks, Daniel (1541) | Lost 0-2 | -191548 |
| 6sealed | 174 | Brown, Grant (1516) | Won 2-0 | +181566 |
| 7sealed | 82 | Becvar, Nick (1649) | Won 2-1 | +191585 |
| 8sealed | 70 | Connor, Andrew (1616) | Lost 0-2 | -171568 |
| top | average opponent: 1570record: 4-3 | new rating: 1568 | ||
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 81 | Leeper, Paul (1450) | Won 2-0 | +171560 |
| 4sealed | 27 | Christopher, Grant (1661) | Won 2-0 | +201580 |
| 5sealed | 12 | Schmit, Mark (1590) | Lost 0-2 | -181562 |
| 6sealed | 24 | Lebedowicz, Osyp (1831) | Lost 1-2 | -131549 |
| 7sealed | 67 | Amin, Sanjay (1536) | Won 2-0 | +171566 |
| 8sealed | 31 | Hall, Zack (1577) | Lost 0-2 | -171549 |
| top | average opponent: 1607record: 3-3 | new rating: 1549 | ||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 9 | Lovasz, Andrew (1518) | Won 2-0 | +171557 |
| 4sealed | 46 | Lucas, Jason (1553) | Won 2-1 | +181575 |
| 5sealed | 14 | Postlethwait, William (1615) | Lost 0-2 | -171558 |
| 6sealed | 18 | Carlson, Corey (1593) | Won 2-1 | +191577 |
| 7sealed | 16 | Walls, Gabe (1795) | Lost 0-2 | -151562 |
| 8sealed | 32 | Kneece, James (1507) | Lost 0-2 | -191543 |
| top | average opponent: 1597record: 3-3 | new rating: 1543 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 46 | Vidugiris, Gaudenis (1454) | Lost 0-2 | -201558 |
| 3extended | 230 | Calcano, Christian (1562) | Lost 0-2 | -181540 |
| top | average opponent: 1508record: 0-2 | new rating: 1540 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 20 | Ioli, Mark (1520) | Won 2-0 | +171575 |
| 4block | 90 | Burgess, Edward (1556) | Won 2-1 | +181593 |
| 5block | 33 | Regnier, Shawn (1821) | Lost 1-2 | -141579 |
| 6block | 76 | Brellochs, Christopher (1544) | Lost 0-2 | -191560 |
| 7block | 177 | Giaquinto, Frank (1538) | Won 2-0 | +181578 |
| 8block | 59 | Donovan, Patrick (1547) | Won 2-1 | +171595 |
| 9block | 86 | Doshi, Vishvas (1639) | Lost 0-2 | -171578 |
| top | average opponent: 1595record: 4-3 | new rating: 1578 | ||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 261 | Larson, Sean (1500) | Won 2-0 | +171580 |
| 2sealed | 5 | Corbitt, Tyler (1522) | Lost 1-2 | -191561 |
| 3sealed | 236 | Wagner, Bob (1471) | Won 2-1 | +161577 |
| 4sealed | 211 | Pinter, Jeremy (1646) | Lost 1-2 | -161561 |
| 5sealed | 256 | Cirunay, Cedric (1466) | Won 2-1 | +161577 |
| 6sealed | 204 | Crane, Ward (1501) | Lost 0-2 | -191558 |
| top | average opponent: 1518record: 3-3 | new rating: 1558 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 24 | Perron, Francois (1501) | Draw 1-1 | -21575 |
| 4standard | 87 | Domschot, Nicholas J (1538) | Won 2-0 | +181593 |
| 5standard | 43 | Ho, Ken (1743) | Lost 1-2 | -161577 |
| 6standard | 85 | Sonne, Jonathan (1804) | Lost 0-2 | -141563 |
| top | average opponent: 1647record: 1-2-1 | new rating: 1563 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 56 | Jesuale, Peter (1518) | Lost 1-2 | -181518 |
| 3block | 184 | Cornwall, Gary (1500) | Won 2-0 | +181536 |
| 4block | 117 | McCarthy, Casey (1518) | Won 2-0 | +171553 |
| 5block | 75 | Wolfman, Steven (1630) | Won 2-0 | +201573 |
| 6block | 66 | Severa, Matt (1688) | Lost 1-2 | -161557 |
| 7block | 91 | Phillips, Brian M (1562) | Won 2-1 | +181575 |
| 8block | 39 | Impellizzieri, Anthony (1663) | Draw 0-0 | +21577 |
| top | average opponent: 1583record: 4-2-1 | new rating: 1577 | ||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 110 | Ortiz, Giovanni (1500) | Won 2-1 | +181518 |
| 2sealed | 36 | Cooper, Matt (1593) | Lost 1-2 | -171501 |
| 3sealed | 119 | Jones II, Larry (1501) | Won 2-0 | +181519 |
| 4sealed | 148 | Moore, Jeremy (1501) | Won 2-0 | +181537 |
| 5sealed | 126 | O'Brien, Daniel (1471) | Won 2-1 | +171554 |
| 6sealed | 30 | Ioli, Mark (1556) | Lost 1-2 | -181536 |
| 7sealed | 97 | Neumann, Ben (1545) | Won 2-0 | +181554 |
| 8sealed | 63 | Vandover, Jesse (1572) | Lost 1-2 | -181536 |
| top | average opponent: 1530record: 5-3 | new rating: 1536 | ||