Shield, Jeffrey
Current rating: 1456
Record: 68-67
- 2010
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 381 | Kiernan, Chad (1500) | Won 2-0 | +201443 |
| 2standard | 276 | Lansdell, Chris (1561) | Lost 1-2 | -161427 |
| 3standard | 545 | Smeltz, Jacob (1504) | Won 2-1 | +191446 |
| 4standard | 356 | Anaya, Carlos (1480) | Won 2-0 | +191465 |
| 5standard | 358 | Martell, William (1621) | Lost 1-2 | -151450 |
| 6standard | 265 | Hicks, Zachary (1473) | Won 2-0 | +181468 |
| 7standard | 176 | Balakin, Dmitry (1659) | Won 2-1 | +211489 |
| 8standard | 154 | Rowe, Taylor (1575) | Lost 0-2 | -161473 |
| 9standard | 220 | Mandel, Arthur (1529) | Lost 0-2 | -171456 |
| top | average opponent: 1545record: 5-4 | new rating: 1456 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Batchelder, James (1500) | Won 2-0 | +181486 |
| 2standard | 236 | McGrew, Evan (1435) | Won 2-0 | +181504 |
| 3standard | 115 | DeMars, Brian (1894) | Won 2-1 | +241528 |
| 4standard | 119 | Turnbull, Chris (1485) | Lost 0-2 | -181510 |
| 5standard | 222 | Clausen, Joe (1595) | Lost 1-2 | -171493 |
| 6standard | 235 | Betrix, Ryan (1615) | Lost 1-2 | -161477 |
| 7standard | 471 | Lee, Eric (1550) | Lost 1-2 | -161461 |
| 8standard | 408 | Hudson, Micheal (1400) | Lost 1-2 | -201441 |
| 9standard | 414 | Schmidt, Steven (1427) | Lost 1-2 | -181423 |
| top | average opponent: 1544record: 3-6 | new rating: 1423 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 197 | Moore, Jared (1378) | Won 2-0 | +161501 |
| 2standard | 22 | Swanson, Kevin (1563) | Lost 1-2 | -171484 |
| 3standard | 443 | Worley II, Mark (1500) | Lost 1-2 | -171467 |
| 4standard | 551 | Baker, Brian (1440) | Won 2-1 | +171484 |
| 5standard | 431 | Moran, Kathleen (1506) | Lost 0-2 | -171467 |
| 6standard | 474 | Bodnar, Stephen (1484) | Won 2-1 | +181485 |
| 7standard | 362 | Mellott, Mitchell (1507) | Won 2-0 | +181503 |
| 8standard | 289 | Gambardello, Nicolas (1525) | Lost 0-2 | -171486 |
| 9standard | 333 | Dutko, Cody (1492) | Lost 1-2 | -181468 |
| top | average opponent: 1488record: 4-5 | new rating: 1468 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 72 | Tarnawsky, Andrew (1484) | Lost 1-2 | -181480 |
| 2legacy | 627 | Fetter, Kelby (1483) | Won 2-1 | +181498 |
| 3legacy | 454 | Austin, Ryan (1498) | Won 2-1 | +181516 |
| 4legacy | 241 | White, Harold (1615) | Lost 0-2 | -161500 |
| 5legacy | 499 | Decker, Henry (1445) | Lost 1-2 | -191481 |
| 6legacy | 711 | Austin, Cary (1467) | Lost 1-2 | -191462 |
| 7legacy | 635 | Thornton, Jesse (1453) | Won 2-0 | +181480 |
| 8legacy | 510 | Jacob, Maxwell (1781) | Lost 0-2 | -121468 |
| 9legacy | 479 | Ehrman, Joseph (1451) | Won 2-0 | +171485 |
| top | average opponent: 1520record: 4-5 | new rating: 1485 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 470 | Carrin, Talon (1573) | Lost 0-2 | -181535 |
| 3sealed | 477 | Beckman, Anders (1501) | Lost 1-2 | -181517 |
| 4sealed | 818 | Brown, Zack (1482) | Lost 0-2 | -191498 |
| top | average opponent: 1519record: 0-3 | new rating: 1498 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 89 | Spellman, Charles (1560) | Lost 1-2 | -191552 |
| 3standard | 295 | Ma, Jonathan (1703) | Won 2-1 | +211573 |
| 4standard | 217 | Bedell, Rodney (1596) | Won 2-0 | +191592 |
| 5standard | 125 | Egolf, Michael (1583) | Lost 0-2 | -191573 |
| 6standard | 213 | Kanwar, Satjiv (1516) | Lost 1-2 | -191554 |
| 7standard | 248 | Wight, Lawrence (1533) | Won 2-0 | +181572 |
| 8standard | 176 | Brady, Shawn (1519) | Lost 0-2 | -191553 |
| top | average opponent: 1573record: 3-4 | new rating: 1553 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1273 | Korner, Nick (1518) | Lost 1-2 | -201576 |
| 3modern | 1478 | McCarthy, Michael (1450) | Lost 1-2 | -201556 |
| 4modern | 1585 | DeShazo, Alex (1484) | Won 2-0 | +171573 |
| 5modern | 1393 | Krontz, Jason (1538) | Won 2-0 | +171590 |
| 6modern | 1196 | Mckinnis, Dallen T (1518) | Lost 1-2 | -191571 |
| top | average opponent: 1502record: 2-3 | new rating: 1571 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 220 | Panella, James (1517) | Won 2-1 | +171595 |
| 3sealed | 265 | Alaniz, Nicholas (1519) | Won 2-0 | +161611 |
| 4sealed | 130 | Haussmann, Phil (1701) | Lost 1-2 | -161595 |
| 5sealed | 178 | Collier, Jamie (1503) | Won 2-0 | +161611 |
| 6sealed | 106 | Knaub, Matthew (1592) | Lost 1-2 | -181593 |
| 7sealed | 160 | Mezoff, Timothy (1595) | Won 2-0 | +181611 |
| 8sealed | 127 | Tunison, Drew (1749) | Lost 0-2 | -151596 |
| top | average opponent: 1597record: 4-3 | new rating: 1596 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1649 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 1424 | Smith, Allie (1491) | Lost 0-2 | -211628 |
| 3legacy | 1765 | Lockwood, Theodore T (1446) | Lost 0-2 | -211607 |
| 4legacy | 1951 | Christensen, James (1415) | Lost 1-2 | -211586 |
| 5legacy | 1911 | Oria, Antoine (1288) | Won 2-0 | +121598 |
| 6legacy | 1840 | Ledoux, Jeff (1454) | Lost 0-2 | -201578 |
| top | average opponent: 1419record: 1-4 | new rating: 1578 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 201 | Champeaux, Walker (1500) | Won 2-1 | +151647 |
| 2modern | 2 | Setzer, Will (1518) | Lost 0-2 | -201627 |
| 3modern | 353 | Fitterman, Danny (1500) | Won 2-0 | +161643 |
| 4modern | 371 | Davidson, Brent (1476) | Lost 0-2 | -211622 |
| 5modern | 335 | Katcher, Kevin (1501) | Won 2-1 | +161638 |
| 6modern | 219 | Magou, George (1565) | Won 2-1 | +161654 |
| 7modern | 139 | Scott, Joshua (1537) | Won 2-1 | +161670 |
| 8modern | 68 | Foley, Mitchell (1518) | Lost 1-2 | -211649 |
| top | average opponent: 1514record: 5-3 | new rating: 1649 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Walat, Cody (1498) | Won 2-0 | +161597 |
| 2sealed | 177 | Wright, David (1557) | Won 2-0 | +181615 |
| 3sealed | 140 | DiCara, Mike (1500) | Won 2-1 | +151630 |
| 4sealed | 120 | Wallerstein, Robert (1684) | Lost 0-2 | -171613 |
| 5sealed | 175 | Ordiales, Kevin (1505) | Won 2-1 | +161629 |
| 6sealed | 70 | Carim, Taran (1558) | Lost 1-2 | -191610 |
| 7sealed | 291 | Currie, Matthew (1589) | Won 2-0 | +181628 |
| 8sealed | 114 | Babcock, Grant (1628) | Won 2-0 | +181646 |
| 9sealed | 128 | Lapine, Michael (1869) | Lost 1-2 | -141632 |
| top | average opponent: 1599record: 6-3 | new rating: 1632 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1067 | Mccready, Richard (1534) | Won 2-1 | +171630 |
| 2modern | 1166 | Ilich, Chris (1506) | Lost 0-2 | -201610 |
| 3modern | 1387 | Titcombe, Nick (1500) | Lost 1-2 | -201590 |
| 4modern | 1563 | Parker, James R (1430) | Lost 1-2 | -211569 |
| 5modern | 1516 | Mills, Mike (1462) | Won 2-0 | +161585 |
| 6modern | 1447 | Brink, Stefen (1415) | Won 2-1 | +151600 |
| 7modern | 1303 | Corvese, Harry (1815) | Lost 1-2 | -141586 |
| 8modern | 1277 | Fitzpatrick, James (1435) | Lost 0-2 | -211565 |
| 9modern | 1224 | Liu, Patrick (1444) | Won 2-1 | +161581 |
| top | average opponent: 1505record: 4-5 | new rating: 1581 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 141 | H194, Scott (1531) | Lost 1-2 | -201608 |
| 3legacy | 659 | Smith, Nick L (1481) | Lost 1-2 | -201588 |
| 4legacy | 689 | Sabol, Ben (1482) | Won 2-1 | +161604 |
| 5legacy | 466 | Scotton, Jonas (1477) | Lost 1-2 | -201584 |
| 6legacy | 606 | Herbig, Michael (1626) | Lost 1-2 | -181566 |
| 7legacy | 554 | Turner, Newell (1449) | Won 2-0 | +161582 |
| 8legacy | 433 | Hensley, Shannon (1443) | Won 2-1 | +161598 |
| 9legacy | 221 | McGuire, Christopher (1476) | Won 2-0 | +151613 |
| top | average opponent: 1496record: 4-4 | new rating: 1613 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1031 | Wood, Jon (1500) | Won 2-0 | +161623 |
| 2sealed | 855 | Siirila, Jared (1518) | Won 2-0 | +161639 |
| 3sealed | 764 | Finken, Kyle (1489) | Won 2-1 | +161655 |
| 4sealed | 756 | Caudle, Clinton (1566) | Won 2-1 | +161671 |
| 5sealed | 685 | Wetzel, Lance (1589) | Won 2-0 | +171688 |
| 6sealed | 694 | Serano, Josh (1498) | Lost 0-2 | -221666 |
| 7sealed | 704 | Goldstein, Danny (1700) | Lost 0-2 | -171649 |
| 8sealed | 391 | Tubergen, Pieter (1488) | Lost 1-2 | -211628 |
| top | average opponent: 1544record: 5-3 | new rating: 1628 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 59 | Cashmer, Jason (1500) | Won 2-1 | +171532 |
| 2legacy | 43 | Bopp, Kevin (1518) | Lost 0-2 | -181514 |
| 3legacy | 196 | Bheodari, Mahindra (1528) | Lost 1-2 | -181496 |
| 4legacy | 413 | Bongiorno, Dan (1445) | Won 2-0 | +171513 |
| 5legacy | 354 | Casali, Dominic M (1481) | Won 2-1 | +181531 |
| 6legacy | 293 | Weaver, Kyle (1500) | Won 2-1 | +171548 |
| 7legacy | 136 | Bates, John (1471) | Won 2-1 | +171565 |
| 8legacy | 86 | Utter-Leyton, Josh (1893) | Won 2-0 | +241589 |
| 9legacy | 83 | Ley, Isaiah (1540) | Won 2-1 | +171606 |
| 10legacy | 62 | McCready, Robert (1528) | Won 2-1 | +161622 |
| 11legacy | 29 | Akpinar, Tim (1603) | Won 2-1 | +181640 |
| 12legacy | 20 | Edelkamp, Fred (1773) | Lost 0-2 | -161624 |
| 13legacy | 25 | Kirby, Zachary (1535) | Won 2-1 | +171641 |
| 14legacy | 13 | Bogner, Ryan (1776) | Lost 0-2 | -161625 |
| 15legacy | 34 | Pogue, James (1625) | Lost 1-2 | -181607 |
| top | average opponent: 1581record: 10-5 | new rating: 1607 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Demi, Stephen (1447) | Lost 0-2 | -191520 |
| 2standard | 513 | Abrams, Cory (1451) | Lost 0-2 | -201500 |
| 3standard | 112 | WITEK, CURTIS L (1464) | Won 2-0 | +181518 |
| 4standard | 632 | Ziare, Brandon (1481) | Won 2-1 | +171535 |
| 5standard | 480 | Coover, Tyler (1466) | Won 2-0 | +171552 |
| 6standard | 397 | Freiler, John (1521) | Lost 0-2 | -191533 |
| 7standard | 441 | Kauffman, Jacob (1501) | Lost 1-2 | -181515 |
| top | average opponent: 1476record: 3-4 | new rating: 1515 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 92 | Cooper, Marshall E (1500) | Won 2-1 | +181518 |
| 2standard | 130 | Bologna, Will (1505) | Won 2-1 | +181536 |
| 3standard | 29 | Rockey, Craig D (1519) | Lost 1-2 | -191517 |
| 4standard | 262 | Halinka, Donnie (1484) | Won 2-1 | +181535 |
| 5standard | 154 | Lee, Lauren (1507) | Won 2-1 | +171552 |
| 6standard | 73 | Brown, Eric D (1505) | Lost 1-2 | -191533 |
| 7standard | 167 | Ross, Tom (1923) | Won 2-0 | +251558 |
| 8standard | 77 | Jafri, Ali (1507) | Lost 1-2 | -191539 |
| top | average opponent: 1556record: 5-3 | new rating: 1539 | ||