Harmon, Lawrence
Current rating: 1818 (#1788)
Record: 55-36-1
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1700 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 111 | Black, Sierra (1500) | Won 2-1 | +151715 |
| 3legacy | 206 | Ben-Sasson, Eetai (1679) | Won 2-1 | +171732 |
| 4legacy | 8 | Reesor, Andrew (1774) | Won 2-1 | +191751 |
| 5legacy | 14 | Cali, Rich (1762) | Won 2-0 | +181769 |
| 6legacy | 21 | Phillips, Russell [CAN] (1643) | Won 2-1 | +161785 |
| 7legacy | 6 | Claudel, Slater (1832) | Won 2-0 | +191804 |
| 8legacy | 2 | Buckingham, Dustin (1621) | Lost 1-2 | -221782 |
| 9legacy | 25 | Kocher, Shaun (1549) | Won 2-0 | +141796 |
| 10legacy | 5 | Ulanov, Denis (1979) | Lost 1-2 | -141782 |
| 11legacy | 30 | Carino, Joseph (1684) | Lost 1-2 | -201762 |
| 12legacy | 44 | Bold Wark, Lewis (1806) | Draw 1-1 | +11763 |
| 13legacy | 41 | Cline, Branden (1719) | Won 2-1 | +171780 |
| 14legacy | 28 | Parente, Justin (1802) | Won 2-0 | +181798 |
| 15legacy | 18 | Dore, Maxime (1901) | Won 2-0 | +201818 |
| top | average opponent: 1732record: 10-3-1 | new rating: 1818 | ||
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1669 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 116 | Woofter, Ajai (1519) | Won 2-1 | +151684 |
| 3standard | 149 | Chang, Morgan (1705) | Lost 0-2 | -171667 |
| 4standard | 170 | Sobky, John (1474) | Won 2-0 | +141681 |
| 5standard | 115 | Lopez, Brian (1655) | Lost 1-2 | -181663 |
| 6standard | 289 | Christopher, Michael 5140 (1563) | Won 2-0 | +161679 |
| 7standard | 106 | Mack, Stephan (1523) | Won 2-0 | +151694 |
| 8standard | 149 | Shantz, Aaron (1590) | Won 2-0 | +161710 |
| 9standard | 140 | Negri, Kazu (1594) | Lost 1-2 | -201690 |
| 10standard | 121 | Low, Seth (1507) | Won 2-1 | +151705 |
| 11standard | 130 | Fulger, Joshua (1698) | Lost 0-2 | -181687 |
| 12standard | 131 | Bertelsen, Erik (1735) | Won 2-1 | +191706 |
| 13standard | 120 | Martinez, Mario E (1978) | Won 2-1 | +221728 |
| 14standard | 87 | Tomajko, Oliver (2033) | Lost 0-2 | -121716 |
| 15standard | 116 | Purcell, Luke (1864) | Lost 0-2 | -161700 |
| top | average opponent: 1674record: 8-6 | new rating: 1700 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1699 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 550 | Boku, Takashi (1748) | Won 2-0 | +191718 |
| 4modern | 171 | Kingsley, Kevin (1587) | Lost 0-2 | -201698 |
| 5modern | 304 | Thomas, Ian (1546) | Won 2-0 | +151713 |
| 6modern | 226 | Sorensen, Matt (1562) | Lost 0-2 | -211692 |
| 7modern | 531 | Switzer, Paul (1575) | Won 2-0 | +161708 |
| 8modern | 416 | Glenn, Brian (1512) | Won 2-1 | +151723 |
| 9modern | 185 | Dominguez, Javier (2079) | Lost 1-2 | -121711 |
| 10modern | 431 | Li, Ang [USA] (1532) | Lost 0-2 | -211690 |
| 11modern | 391 | Notaro, Anthony (1540) | Lost 0-2 | -211669 |
| top | average opponent: 1631record: 4-5 | new rating: 1669 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1725 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 270 | Sharpe, Richard (1461) | Won 2-1 | +141739 |
| 4legacy | 152 | Keith, Jody (2039) | Lost 0-2 | -131726 |
| 5legacy | 215 | Baker, Ricky (1533) | Won 2-0 | +141740 |
| 6legacy | 212 | Jacox, Sean (1540) | Won 2-0 | +151755 |
| 7legacy | 168 | Kassari, John (1815) | Lost 1-2 | -171738 |
| 8legacy | 209 | De Jong, Brandon (1805) | Lost 0-2 | -171721 |
| 9legacy | 425 | Kim, William 6413 (1509) | Lost 1-2 | -221699 |
| top | average opponent: 1672record: 3-4 | new rating: 1699 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1681 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 525 | Rodaitis, Andrew (1483) | Won 2-0 | +141695 |
| 4legacy | 414 | Lehmkuhl, Mike (1650) | Won 2-0 | +171712 |
| 5legacy | 306 | Cooke, James (1559) | Won 2-0 | +161728 |
| 6legacy | 284 | Smith, Greg (1588) | Lost 0-2 | -211707 |
| 7legacy | 339 | Ray, Wil (1580) | Won 2-1 | +161723 |
| 8legacy | 335 | Andersen, Christoffer (1800) | Won 2-0 | +191742 |
| 9legacy | 299 | Das, Anuraag (1752) | Lost 0-2 | -181724 |
| 10legacy | 1032 | Mayo, Daniel (1738) | Won 2-0 | +191743 |
| 11legacy | 1040 | Helfer, Zachary (1662) | Won 2-0 | +161759 |
| 12legacy | 1012 | Doiron, Curtis (1670) | Won 2-1 | +161775 |
| 13legacy | 1016 | Ulanov, Denis (1813) | Lost 0-2 | -171758 |
| 14legacy | 1017 | Hayne, Alexander (1979) | Lost 0-2 | -141744 |
| 15legacy | 1035 | Harrell, Chase (1699) | Lost 0-2 | -191725 |
| top | average opponent: 1690record: 8-5 | new rating: 1725 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 74 | Kabler Sr., Jeremy (1500) | Won 2-1 | +171561 |
| 2modern | 60 | Smith, Jay (1390) | Won 2-0 | +151576 |
| 3modern | 382 | Ayers, Matt (1811) | Won 2-1 | +221598 |
| 4modern | 45 | Gallagher, Sean (1477) | Lost 0-2 | -201578 |
| 5modern | 200 | Zimmerman, Nick (1516) | Won 2-1 | +171595 |
| 6modern | 128 | Orange, Gregory (1937) | Lost 1-2 | -121583 |
| 7modern | 347 | Murphy, Collin (1537) | Won 2-1 | +171600 |
| 8modern | 191 | Brown, Brad (1747) | Won 2-1 | +211621 |
| 9modern | 116 | Hart, Brian (1623) | Lost 0-2 | -181603 |
| 10modern | 992 | Collins, Kenyon (1766) | Won 2-0 | +211624 |
| 11modern | 917 | Mills, Jesse (1671) | Won 2-0 | +191643 |
| 12modern | 905 | Hare, Ryan (1643) | Won 2-1 | +181661 |
| 13modern | 914 | Grosteffon, Josh (1673) | Won 2-0 | +181679 |
| 14modern | 870 | Peay, Nicholas (1619) | Won 2-0 | +171696 |
| 15modern | 865 | Lin, David (1861) | Lost 0-2 | -151681 |
| top | average opponent: 1651record: 11-4 | new rating: 1681 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 546 | Hagen, Paul (1498) | Won 2-0 | +171545 |
| 2legacy | 96 | Emery, Joshua (1485) | Won 2-0 | +171562 |
| 3legacy | 373 | Evans, Sean (1607) | Lost 0-2 | -171545 |
| 4legacy | 391 | Tussing, Austin (1512) | Lost 0-2 | -191526 |
| 5legacy | 619 | Onland, Jesse (1519) | Lost 1-2 | -181508 |
| 6legacy | 782 | Lingafelter, Spencer (1430) | Won 2-1 | +171525 |
| 7legacy | 413 | Chu, Jian Liang (1565) | Won 2-1 | +191544 |
| 8legacy | 312 | Calvo, Sean (1508) | Won 2-0 | +171561 |
| 9legacy | 364 | Coval, Brian (1618) | Lost 1-2 | -171544 |
| top | average opponent: 1527record: 5-4 | new rating: 1544 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 32 | Lovely, Robert (1500) | Won 2-0 | +181518 |
| 2modern | 38 | Donner, Samuel (1518) | Won 2-1 | +181536 |
| 3modern | 416 | Oakes, Connor (1500) | Won 2-1 | +171553 |
| 4modern | 148 | Wu, Steven (1515) | Lost 0-2 | -181535 |
| 5modern | 408 | Yanaga, Ben (1550) | Won 2-0 | +181553 |
| 6modern | 199 | Ganz, Andreas (1787) | Lost 0-2 | -141539 |
| 7modern | 360 | Harry, Nick (1558) | Won 2-0 | +181557 |
| 8modern | 241 | Coumtryman, Joe (1537) | Won 2-0 | +181575 |
| 9modern | 115 | Cubenas, Chris (1622) | Lost 0-2 | -171558 |
| 10modern | 181 | Johnson, Courtney (1646) | Lost 1-2 | -161542 |
| 11modern | 318 | Rubin, Steve (1784) | Lost 1-2 | -141528 |
| top | average opponent: 1592record: 6-5 | new rating: 1528 | ||