Piercy, Thomas
Current rating: 1639
Record: 33-24-1
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 288 | Galvez, Maria (1500) | Won 2-1 | +161644 |
| 2sealed | 48 | Hoser, Eric (1623) | Lost 1-2 | -191625 |
| 3sealed | 265 | Vandepol, Coleman (1500) | Won 2-0 | +161641 |
| 4sealed | 216 | Hanley, Jacob (1730) | Draw 1-1 | +21643 |
| 5sealed | 192 | Fayand, Sebastien (1523) | Won 2-0 | +161659 |
| 6sealed | 115 | Hope, Ren (1567) | Lost 0-2 | -201639 |
| top | average opponent: 1574record: 3-2-1 | new rating: 1639 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1695 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 2112 | Wilkins, Alex (1518) | Lost 0-2 | -211674 |
| 3modern | 2378 | Elmore, Robert (1435) | Lost 0-2 | -231651 |
| 4modern | 2633 | Goldstein, Danny (1720) | Lost 0-2 | -161635 |
| 5modern | 2621 | Pisio, Shawn (1437) | Won 2-0 | +141649 |
| 6modern | 2492 | Grimm, Jason [CAN] (1487) | Lost 1-2 | -211628 |
| top | average opponent: 1519record: 1-4 | new rating: 1628 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 252 | Peterson, Erik (1441) | Won 2-0 | +161592 |
| 2sealed | 170 | Peterson, Carter (1503) | Won 2-1 | +161608 |
| 3sealed | 103 | Schultz, Tyler (1536) | Won 2-0 | +171625 |
| 4sealed | 3 | Aw, Roland (1583) | Won 2-1 | +171642 |
| 5sealed | 40 | King, Jeremy (1609) | Lost 0-2 | -191623 |
| 6sealed | 76 | Eilers, Mark (1628) | Won 2-0 | +181641 |
| 7sealed | 32 | McNamara, Brendan (1661) | Lost 1-2 | -171624 |
| 8sealed | 54 | Delcourt, Zachary (1506) | Won 2-1 | +161640 |
| 9sealed | 51 | Wada, Takahide (1561) | Won 2-1 | +161656 |
| 10draft | 76 | Nguyen, Joey (1703) | Won 2-0 | +191675 |
| 11draft | 105 | Saugier, Kyle (1629) | Lost 1-2 | -191656 |
| 12draft | 117 | Betesh, Ralph (1778) | Won 2-0 | +201676 |
| 13draft | 75 | Chen, Michael (1781) | Won 2-0 | +201696 |
| 14draft | 24 | Boyce, Aaron (1586) | Lost 0-2 | -201676 |
| 15draft | 74 | Latham, Benjamin (1706) | Won 2-0 | +191695 |
| top | average opponent: 1614record: 11-4 | new rating: 1695 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1587 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 22 | Shelloff, Alan (1518) | Lost 0-2 | -191568 |
| 3modern | 378 | Peters, Scott (1311) | Won 2-1 | +131581 |
| 4modern | 252 | Boroevich, Jason (1500) | Won 2-1 | +171598 |
| 5modern | 65 | Wiznura, Isaac (1536) | Won 2-1 | +171615 |
| 6modern | 67 | Thiessen, Jacob (1713) | Won 2-1 | +201635 |
| 7modern | 50 | Chisholm, Jacob (1627) | Lost 1-2 | -191616 |
| 8modern | 63 | Wilkinson, Jack (1551) | Won 2-0 | +171633 |
| 9modern | 51 | Healy, Timothy (1571) | Won 2-1 | +171650 |
| 10modern | 20 | Riecken, Steven (1739) | Lost 0-2 | -161634 |
| 11modern | 49 | Yu, Timothy (1543) | Lost 1-2 | -201614 |
| 12modern | 58 | Gross, Mitchell (1801) | Lost 1-2 | -151599 |
| 13modern | 57 | Boa, Andrew (1514) | Lost 1-2 | -191580 |
| 14modern | 55 | Darlington, Kenny (1537) | Won 2-0 | +171597 |
| 15modern | 52 | Collier, Jim (1423) | Lost 0-2 | -211576 |
| top | average opponent: 1563record: 7-7 | new rating: 1576 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 60 | Jones, Ethan (1518) | Won 2-0 | +181505 |
| 3standard | 147 | Yang, Sung Jun (1536) | Won 2-0 | +191524 |
| 4standard | 27 | Trendall, Tim (1526) | Won 2-1 | +181542 |
| 5standard | 48 | Jones, Oscar (1579) | Lost 1-2 | -171525 |
| 6standard | 118 | Murray, Spencer (1552) | Won 2-1 | +181543 |
| 7standard | 28 | Wong, A.J. (1598) | Won 2-0 | +191562 |
| 8standard | 10 | Davoudi, Mani (1792) | Lost 0-2 | -141548 |
| 9standard | 33 | Ferguson, Scott (1476) | Won 2-1 | +171565 |
| 10standard | 54 | Metzger, Jonathan (1657) | Lost 1-2 | -161549 |
| 11standard | 41 | Winterbottom, Ben (1580) | Won 2-0 | +181567 |
| 12standard | 27 | Wilkins, Crossman (1675) | Lost 0-2 | -161551 |
| 13standard | 49 | Fox, Chris (1532) | Won 2-1 | +181569 |
| 14standard | 42 | Spong, Jonathan (1599) | Won 2-1 | +181587 |
| 15standard | 28 | Froehlich, Eric (1882) | ID | 01587 |
| top | average opponent: 1607record: 9-4-1 | new rating: 1587 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | Cornejo, Christopher (1480) | Lost 1-2 | -181482 |
| 2sealed | 218 | Hurtig, Sean (1482) | Won 2-0 | +181500 |
| 3sealed | 269 | Algra, Andrew (1500) | Lost 0-2 | -181482 |
| 4sealed | 356 | Yu, Yonghuan (1482) | Won 2-1 | +181500 |
| 5sealed | 214 | Shears, Brett (1783) | Lost 0-2 | -131487 |
| top | average opponent: 1546record: 2-3 | new rating: 1487 | ||