Brocklehurst, David
Current rating: 1507
Record: 17-20
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Baker, William (1393) | Won 2-0 | +171481 |
| 2sealed | 148 | Cavin, Gabriel (1472) | Won 2-0 | +171498 |
| 3sealed | 156 | D'Souza, Kenith (1741) | Won 2-0 | +231521 |
| 4sealed | 99 | Hill, Tyler (2007) | Lost 1-2 | -101511 |
| 5sealed | 78 | Kaplan, Louis (1808) | Won 2-1 | +231534 |
| 6sealed | 104 | Pascal, Brandon (1826) | Won 2-1 | +231557 |
| 7sealed | 51 | Lakes, Devin (1569) | Lost 1-2 | -171540 |
| 8sealed | 75 | Somers, Stu (1615) | Lost 1-2 | -171523 |
| 9sealed | 242 | Lackey, Otis (1627) | Lost 0-2 | -161507 |
| top | average opponent: 1673record: 5-4 | new rating: 1507 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 263 | Estrada, Caleb (1649) | Lost 1-2 | -151473 |
| 3modern | 447 | Bedsole, Hayden (1659) | Lost 1-2 | -141459 |
| 4modern | 805 | Gaydos, Robert (1417) | Won 2-1 | +171476 |
| 5modern | 560 | White, Andru (1530) | Won 2-0 | +191495 |
| 6modern | 522 | Hess, James (1607) | Won 2-0 | +201515 |
| 7modern | 299 | Wershing, Woodrow (1537) | Lost 0-2 | -181497 |
| 8modern | 418 | Cramer, Zach (1581) | Lost 0-2 | -161481 |
| 9modern | 447 | Fetter, Kelby (1540) | Lost 0-2 | -171464 |
| top | average opponent: 1565record: 3-5 | new rating: 1464 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 227 | Foerst, Kerry (1617) | Lost 1-2 | -151438 |
| 3legacy | 490 | Sherrin, Richard (1501) | Lost 0-2 | -171421 |
| 4legacy | 780 | Pepitone, Cody (1465) | Won 2-1 | +191440 |
| 5legacy | 690 | Breau, Chris (1460) | Won 2-0 | +181458 |
| 6legacy | 399 | Pozsgay, Michael (1731) | Won 2-0 | +231481 |
| 7legacy | 377 | Schafroth, Kyle (1539) | Lost 0-2 | -171464 |
| 8legacy | 300 | Cook, Tyler (1448) | Won 2-1 | +181482 |
| 9legacy | 250 | Sarhan, Nizar (1718) | Won 2-0 | +221504 |
| 10legacy | 159 | Otenti, Nicholas (1638) | Lost 0-2 | -161488 |
| top | average opponent: 1568record: 5-4 | new rating: 1488 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 128 | Winokur, Ben (1724) | Lost 1-2 | -131468 |
| 3modern | 969 | Kretz, Joshua (1391) | Won 2-0 | +161484 |
| 4modern | 286 | Czinder, Chris (1485) | Lost 1-2 | -181466 |
| 5modern | 606 | Perlee, Travis (1650) | Lost 1-2 | -151451 |
| 6modern | 801 | Forist, Logan (1483) | Won 2-0 | +191470 |
| 7modern | 819 | DiLoreto, Christopher (1504) | Lost 0-2 | -171453 |
| top | average opponent: 1539record: 2-4 | new rating: 1453 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Askoul, Basem (1581) | Won 2-1 | +191519 |
| 2sealed | 106 | Wilder, Justin (1518) | Lost 0-2 | -181501 |
| 3sealed | 652 | Mallahi, Riyath (1471) | Lost 1-2 | -181483 |
| 4sealed | 791 | O'Dell, Luke (1386) | Won 2-0 | +161499 |
| 5sealed | 492 | Heimbrock, Brad (1504) | Lost 1-2 | -181481 |
| top | average opponent: 1492record: 2-3 | new rating: 1481 | ||