Rothweiler, Zachary
Current rating: 1558
Record: 16-12-6
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 118 | Bentley, Brent (1477) | Lost 0-2 | -201573 |
| 2standard | 378 | Bennett, Crystal (1482) | Won 2-0 | +161589 |
| 3standard | 568 | Wolfe, Henry (1428) | Draw 1-1 | -31586 |
| 4standard | 516 | Trnka, Christian (1511) | Lost 1-2 | -191567 |
| 5standard | 613 | Sikora, Patrick (1481) | Lost 1-2 | -201547 |
| 6standard | 650 | Quinn, Conor (1463) | Draw 1-1 | -11546 |
| 7standard | 605 | Thompson, Jonathan [USA] (1386) | Lost 1-2 | -211525 |
| 8standard | 73 | Hunkapiller, Charles (1428) | Won 2-0 | +161541 |
| 9standard | 454 | Sparling, Jonah (1463) | Won 2-0 | +171558 |
| top | average opponent: 1458record: 3-4-2 | new rating: 1558 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 265 | Caron, Christopher (1518) | Draw 1-1 | 01521 |
| 3legacy | 298 | Diab, Kenan (1507) | Won 2-1 | +181539 |
| 4legacy | 152 | Langella, Nick (1575) | Lost 0-2 | -171522 |
| 5legacy | 282 | Schumann, David (1472) | Draw 1-1 | -11521 |
| 6legacy | 374 | Kunin, Alex (1503) | Won 2-0 | +181539 |
| 7legacy | 270 | Lowey, Hershel (1551) | Won 2-1 | +181557 |
| 8legacy | 182 | Peralta Garcia, Jose Antonio (1587) | Won 2-0 | +181575 |
| 9legacy | 120 | Quinn, Jimmy (1562) | Won 2-0 | +181593 |
| top | average opponent: 1534record: 5-1-2 | new rating: 1593 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1325 | Threet, Jason (1603) | Won 2-0 | +191539 |
| 3modern | 1232 | McHugh, Justin (1536) | Draw 1-1 | 01539 |
| 4modern | 1151 | Hua, Raymond (1537) | Lost 0-2 | -181521 |
| 5modern | 1290 | Cross, Jeremy (1519) | Won 2-0 | +181539 |
| 6modern | 1174 | Golab, Brian (1538) | Lost 0-2 | -181521 |
| 7modern | 1276 | King, Andrew (1518) | Lost 0-2 | -181503 |
| 8modern | 1262 | Perez, Anthony (1537) | Won 2-1 | +191522 |
| 9modern | 1185 | Malone, Andrew (1519) | Draw 1-1 | -11521 |
| top | average opponent: 1538record: 3-3-2 | new rating: 1521 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 250 | Fitzgerald, David A (1623) | Lost 0-2 | -161484 |
| 2legacy | 519 | Turner, Newell (1466) | Lost 0-2 | -181466 |
| 3legacy | 758 | Gerszewski, Gabriel R (1479) | Won 2-0 | +181484 |
| 4legacy | 637 | Poole, Jon (1570) | Won 2-1 | +201504 |
| 5legacy | 578 | Schaeffer, Joshua (1470) | Won 2-0 | +171521 |
| 6legacy | 373 | Fulton, Randall (1416) | Lost 0-2 | -201501 |
| 7legacy | 463 | Courson, David (1497) | Won 2-1 | +181519 |
| 8legacy | 180 | Forsyth, Jr (1544) | Won 2-0 | +191538 |
| 9legacy | 203 | Stambaugh, Craig (1541) | Lost 0-2 | -181520 |
| top | average opponent: 1512record: 5-4 | new rating: 1520 | ||