Brothers, Derek
Current rating: 1613
Record: 20-15
| Grand Prix Hartford 2018 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 503 | Carson, Max (1500) | Lost 1-2 | -171453 |
| 2modern | 490 | Kozikis, Jeffrey (1466) | Won 2-0 | +181471 |
| 3modern | 581 | Gupta, Sagar (1500) | Lost 0-2 | -171454 |
| 4modern | 701 | Gentile, Greg (1439) | Won 2-1 | +171471 |
| 5modern | 449 | Brubaker, Ryan (1484) | Won 2-1 | +191490 |
| 6modern | 470 | Dillon, Rax (1667) | Won 2-1 | +211511 |
| 7modern | 352 | Wark, Kristopher (1550) | Won 2-1 | +181529 |
| 8modern | 143 | Rianhard, Cain (1702) | Won 2-0 | +221551 |
| 9modern | 260 | Steranko, Jason (1577) | Won 2-1 | +181569 |
| 10modern | 283 | Madsen, Timothy (1663) | Won 2-1 | +201589 |
| 11modern | 264 | Micklo, Alexander (1601) | Lost 0-2 | -181571 |
| 12modern | 273 | Duffee, Daniel (1552) | Won 2-0 | +181589 |
| 13modern | 254 | Neveu, Pierre Antoine (1778) | Lost 0-2 | -151574 |
| 14modern | 282 | Hand, Dylan (1670) | Won 2-0 | +201594 |
| 15modern | 271 | Pelletier, Olivier (1666) | Won 2-0 | +191613 |
| top | average opponent: 1588record: 11-4 | new rating: 1613 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 452 | Kipp, Andrew (1522) | Lost 0-2 | -161428 |
| 2modern | 767 | Peter, Louis (1482) | Lost 1-2 | -171411 |
| 3modern | 834 | Richter, Kyle 266 (1458) | Won 2-0 | +191430 |
| 4modern | 832 | Winston, Alexander (1503) | Won 2-0 | +191449 |
| 5modern | 502 | Janowiak Mulligan, Blythe (1499) | Lost 0-2 | -171432 |
| 6modern | 625 | Kieffer, Adam (1480) | Won 2-1 | +191451 |
| 7modern | 522 | Lozano, Cade (1484) | Won 2-1 | +181469 |
| 8modern | 394 | O'Grady, Daniel (1405) | Won 2-0 | +171486 |
| 9modern | 353 | Petrino, Benjamin (1598) | Lost 0-2 | -161470 |
| top | average opponent: 1492record: 5-4 | new rating: 1470 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 25 | Scheuermann, Christopher (1472) | Lost 1-2 | -181461 |
| 2modern | 744 | Castellano, Austen (1482) | Lost 1-2 | -181443 |
| 3modern | 1135 | Adams, Ethan (1466) | Won 2-0 | +181461 |
| 4modern | 1014 | Sams, Randy (1518) | Lost 0-2 | -171444 |
| top | average opponent: 1484record: 1-3 | new rating: 1444 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 798 | Flete, George (1382) | Lost 0-2 | -201480 |
| 2modern | 834 | Lee, Doug (1463) | Lost 0-2 | -181462 |
| 3modern | 1204 | Porter, Patrick (1461) | Won 2-0 | +181480 |
| 4modern | 993 | Berk, Joshua (1445) | Won 2-1 | +171497 |
| 5modern | 832 | Hill, Zachery (1574) | Won 2-1 | +191516 |
| 6modern | 648 | Sauer, John (1448) | Lost 0-2 | -191497 |
| 7modern | 801 | Marple, Christopher (1475) | Lost 0-2 | -181479 |
| top | average opponent: 1464record: 3-4 | new rating: 1479 | ||