Brace, Donald
Current rating: 1647
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 425 | Lee Kwai, Josh (1523) | Won 2-0 | +171613 |
| 2sealed | 17 | Kim, Brian (1518) | Won 2-0 | +161629 |
| 3sealed | 81 | Manners, Jeff (1520) | Won 2-1 | +161645 |
| 4sealed | 59 | Woodward, Jonathan (1751) | Draw 1-1 | +21647 |
| 5sealed | 66 | Wong, Daniel 1804 (1670) | Won 2-0 | +191666 |
| 6sealed | 32 | Johnson-Epstein, Jasper (1833) | Lost 0-2 | -151651 |
| 7sealed | 101 | Bower, Devin (1554) | Won 2-1 | +161667 |
| 8sealed | 57 | Monge, Jose (1548) | Lost 1-2 | -201647 |
| top | average opponent: 1615record: 5-2-1 | new rating: 1647 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Epstein, David (1500) | Won 2-0 | +191464 |
| 2standard | 141 | Giraldi, Jean Carlos (1507) | Won 2-0 | +181482 |
| 3standard | 145 | Nunez S, JoseLuis (1536) | Won 2-0 | +191501 |
| 4standard | 86 | Edel, Willy (2038) | Won 2-0 | +271528 |
| 5standard | 453 | Tejada, Victor (1541) | Won 2-0 | +191547 |
| 6standard | 6 | Speck, Stephen (1918) | Lost 1-2 | -121535 |
| 7standard | 24 | O'Connor, Andrew (1730) | Won 2-1 | +221557 |
| 8standard | 29 | Jensen, William (2107) | Lost 1-2 | -91548 |
| 9standard | 90 | Mead, Canon (1470) | Won 2-1 | +161564 |
| 10standard | 31 | Romao, Carlos (1788) | Lost 0-2 | -141550 |
| 11standard | 53 | Freeman, Michael (1559) | Won 2-1 | +181568 |
| 12standard | 48 | Mathers, Donald S (1605) | Won 2-1 | +191587 |
| 13standard | 26 | O'Dunn, Seamus (1593) | Won 2-1 | +181605 |
| 14standard | 22 | Barich, Aaron (1749) | Lost 1-2 | -151590 |
| 15standard | 38 | Krautmann, Wenzel (1975) | Draw 1-1 | +61596 |
| top | average opponent: 1708record: 10-4-1 | new rating: 1596 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 85 | Klug, Andrew (1500) | Won 2-0 | +181518 |
| 2standard | 252 | Best, Jesse (1438) | Lost 1-2 | -191499 |
| 3standard | 267 | DeForge, Jonathan (1498) | Lost 1-2 | -181481 |
| 4standard | 463 | Bryant, Tyler (1482) | Lost 0-2 | -181463 |
| 5standard | 519 | Gardner, Stevon R (1465) | Lost 0-2 | -181445 |
| top | average opponent: 1477record: 1-4 | new rating: 1445 | ||