Thatch, Jonathan
Current rating: 1516
Record: 18-17
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1402 | Abalan, Kaleb (1503) | Lost 1-2 | -191541 |
| 2legacy | 1789 | Stone, Ryan P (1485) | Won 2-0 | +171558 |
| 3legacy | 1817 | Jorgens, Joe (1433) | Lost 1-2 | -201538 |
| 4legacy | 1865 | Parkhurst, Mark (1459) | Lost 0-2 | -201518 |
| 5legacy | 1910 | Pistone, Michael (1438) | Won 2-1 | +171535 |
| 6legacy | 1799 | Giszack, Brendan (1481) | Lost 1-2 | -191516 |
| top | average opponent: 1466record: 2-4 | new rating: 1516 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 48 | Lowther, Cameron J (1639) | Won 2-0 | +211520 |
| 2legacy | 264 | Buss, Teresa (1499) | Lost 0-2 | -191501 |
| 3legacy | 298 | Burns, Ned (1478) | Won 2-0 | +181519 |
| 4legacy | 313 | Li, Si-Ning (1556) | Lost 1-2 | -171502 |
| 5legacy | 611 | Heilker, David (1701) | Won 2-0 | +211523 |
| 6legacy | 458 | Strausman, Shea (1503) | Won 2-0 | +181541 |
| 7legacy | 50 | Gault, Dustin (1464) | Won 2-1 | +161557 |
| 8legacy | 135 | Bigelow, Clair (1613) | Won 2-0 | +191576 |
| 9legacy | 108 | Coleman, Allison (1653) | Lost 1-2 | -161560 |
| top | average opponent: 1567record: 6-3 | new rating: 1560 | ||
| Grand Prix Denver 2013 (legacy) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 77 | Miyashiro, Travis (1553) | Lost 1-2 | -191574 |
| 5legacy | 80 | Simon, Michael (1622) | Lost 1-2 | -171557 |
| 6legacy | 183 | Lahman, Faessal (1517) | Lost 0-2 | -191538 |
| 7legacy | 186 | Johnson, Jamie M (1438) | Lost 0-2 | -201518 |
| 8legacy | 171 | Lau, Ricky (1461) | Lost 0-2 | -191499 |
| top | average opponent: 1518record: 0-5 | new rating: 1499 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 253 | Karasienski, Austin J (1500) | Lost 1-2 | -181482 |
| 2legacy | 365 | Hernandez, Dan P (1482) | Won 2-0 | +181500 |
| 3legacy | 404 | Roessler, Rob (1502) | Won 2-0 | +181518 |
| 4legacy | 373 | Koepke, Devin (1631) | Won 2-0 | +201538 |
| 5legacy | 151 | Brunette, Nathan (1535) | Won 2-1 | +181556 |
| 6legacy | 138 | Neganiwina, David (1479) | Won 2-1 | +171573 |
| 7legacy | 56 | Eason, Anthony (1693) | Won 2-1 | +201593 |
| 8legacy | 51 | Le, Michael (1553) | Lost 0-2 | -191574 |
| 9legacy | 117 | Jenkins, Benjamin (1534) | Won 2-0 | +171591 |
| 10legacy | 39 | Van Deelen, Mike (1528) | Won 2-0 | +171608 |
| 11legacy | 32 | Nichols, William (1576) | Won 2-0 | +181626 |
| 12legacy | 21 | Laskin, Lewis (1637) | Lost 1-2 | -181608 |
| 13legacy | 36 | Hoey, Matthew (1780) | Won 2-1 | +211629 |
| 14legacy | 19 | Quackenbush, Mark (1608) | Lost 0-2 | -181611 |
| 15legacy | 41 | Toyota, Shimpei (1618) | Lost 0-2 | -181593 |
| top | average opponent: 1577record: 10-5 | new rating: 1593 | ||