Ambrose, Brandon
Current rating: 1517
Record: 14-15
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 258 | Salermo, Juan (1500) | Won 2-1 | +191457 |
| 2standard | 157 | Tarver, Joshua (1483) | Won 2-1 | +191476 |
| 3standard | 112 | Bammann, Jesse (1536) | Won 2-0 | +191495 |
| 4standard | 49 | Fulgium, James (1922) | Lost 0-2 | -111484 |
| 5standard | 103 | Walker, Nathaniel (1843) | Won 2-1 | +251509 |
| 6standard | 62 | Morriss, Bryan (1548) | Lost 1-2 | -181491 |
| 7standard | 257 | Moen, Carsey (1627) | Won 2-1 | +211512 |
| 8standard | 130 | Juang, Kevin (1594) | Won 2-0 | +191531 |
| 9standard | 81 | McCandless, Andrew (1729) | Lost 1-2 | -141517 |
| top | average opponent: 1642record: 6-3 | new rating: 1517 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 544 | Flatford, Jason (1514) | Won 2-0 | +191483 |
| 2modern | 375 | Lekan, Austin (1517) | Lost 1-2 | -181465 |
| 3modern | 670 | Morris, Riley (1498) | Lost 1-2 | -171448 |
| 4modern | 753 | Sui, Xin (1943) | Lost 0-2 | -101438 |
| top | average opponent: 1618record: 1-3 | new rating: 1438 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1751 | Brichta, Jean-Paul (1509) | Won 2-0 | +191479 |
| 2legacy | 1623 | Brown, Aaron (1520) | Lost 1-2 | -171462 |
| 3legacy | 1873 | Race, Allan (1478) | Won 2-0 | +181480 |
| 4legacy | 1587 | Wiese, Matthew (1571) | Lost 1-2 | -161464 |
| top | average opponent: 1519record: 2-2 | new rating: 1464 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1273 | Howard, Donovan (1500) | Won 2-0 | +181494 |
| 2modern | 1303 | Nikolich, Benjamin (1527) | Lost 1-2 | -171477 |
| 3modern | 1489 | McComb, Justin (1499) | Lost 0-2 | -181459 |
| 4modern | 1486 | Kilburn, Franklin (1482) | Won 2-0 | +191478 |
| 5modern | 1470 | Mccarell, Micheal (1499) | Lost 0-2 | -181460 |
| top | average opponent: 1502record: 2-3 | new rating: 1460 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 190 | Rogers, Kevin (1482) | Lost 1-2 | -181482 |
| 2standard | 315 | Heckel, Ronald (1417) | Lost 1-2 | -191463 |
| 3standard | 449 | Glicker, Stephen (1280) | Won 2-1 | +141477 |
| 4standard | 431 | Russell, Matthew (1545) | Won 2-1 | +191496 |
| 5standard | 424 | Conrad, Michael (1343) | Won 2-1 | +161512 |
| 6standard | 236 | Goldenberg, Gil (1525) | Lost 1-2 | -181494 |
| 7standard | 285 | George, Bradley (1501) | Lost 1-2 | -181476 |
| top | average opponent: 1442record: 3-4 | new rating: 1476 | ||