Brotchie, David
Current rating: 1491
Record: 11-12
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2158 | Parker-Martell, Alisha (1437) | Lost 0-2 | -191470 |
| 2modern | 679 | Larrew, Skyler (1486) | Lost 1-2 | -181452 |
| 3modern | 1414 | Jankovsky, Marshall (1477) | Won 2-0 | +191471 |
| 4modern | 1172 | Agnew, Andrew (1471) | Won 2-0 | +181489 |
| 5modern | 870 | Nguyen, Philip (1470) | Won 2-1 | +171506 |
| 6modern | 739 | Hanson, Brandon (1493) | Lost 0-2 | -181488 |
| 7modern | 775 | Ellis, Bennett (1606) | Won 2-1 | +201508 |
| 8modern | 695 | Lounsbury, Christopher (1560) | Lost 0-2 | -171491 |
| top | average opponent: 1500record: 4-4 | new rating: 1491 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 474 | Naff, Davis (1428) | Lost 1-2 | -201506 |
| 2legacy | 747 | Palmer, Derek (1482) | Won 2-0 | +181524 |
| 3legacy | 2147 | Iwata, Sho (1406) | Lost 0-2 | -201504 |
| 4legacy | 854 | Coleman, Victorious (1517) | Won 2-1 | +181522 |
| 5legacy | 905 | Cheng, Jonathan (1701) | Lost 0-2 | -151507 |
| 6legacy | 900 | Iba, Brady (1489) | Lost 1-2 | -181489 |
| top | average opponent: 1504record: 2-4 | new rating: 1489 | ||
| Grand Prix Prague 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 118 | Olesen, Anders (1500) | Won 2-0 | +181518 |
| 2legacy | 110 | Perttula, Eetu (1660) | Lost 1-2 | -151503 |
| 3legacy | 417 | Darnhofer, Robert (1639) | Won 2-0 | +201523 |
| 4legacy | 280 | Hupkens, Tobie (1461) | Lost 1-2 | -191504 |
| 5legacy | 426 | Korol, Vitaly (1537) | Won 2-0 | +191523 |
| 6legacy | 280 | Silva, Cristiano (1522) | Won 2-1 | +181541 |
| 7legacy | 158 | Beiersdorfer, Alexander (1533) | Won 2-0 | +171558 |
| 8legacy | 162 | Ellingsen, Mats (1772) | Lost 1-2 | -141544 |
| 9legacy | 172 | Akesson, Carl-Henrik (1542) | Lost 0-2 | -181526 |
| top | average opponent: 1574record: 5-4 | new rating: 1526 | ||