Herbert, Brian
Current rating: 1408
Record: 16-22
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Tesli, Gaute Oliver Thu (1356) | Won 2-1 | +161477 |
| 2sealed | 114 | Cole, Matt (1677) | Lost 1-2 | -151462 |
| 3sealed | 743 | Perret, Valentin (1480) | Lost 1-2 | -171445 |
| 4sealed | 989 | Smolen, Matthew (1457) | Lost 1-2 | -181427 |
| 5sealed | 907 | Herdman, William (1363) | Lost 0-2 | -191408 |
| top | average opponent: 1467record: 1-4 | new rating: 1408 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Boscolo, Alex (1523) | Lost 0-2 | -161436 |
| 2standard | 615 | Austria, Aries (1482) | Lost 1-2 | -181418 |
| 3standard | 878 | Bailey, Samson (1456) | Won 2-0 | +191437 |
| 4standard | 744 | Lapin, Alex (1425) | Won 2-0 | +181455 |
| 5standard | 546 | Stone, Tim (1564) | Won 2-1 | +201475 |
| 6standard | 515 | Merenda, James (1528) | Lost 1-2 | -171458 |
| 7standard | 425 | Chatfield, Lawrence (1575) | Won 2-0 | +201478 |
| 8standard | 467 | Shapiro, Dashiell (1517) | Lost 0-2 | -171461 |
| top | average opponent: 1509record: 4-4 | new rating: 1461 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1465 | Lynch, Brandon (1464) | Won 2-1 | +181463 |
| 2legacy | 1460 | Eck, James (1533) | Lost 1-2 | -171446 |
| 3legacy | 1738 | Dalton, Michael (1729) | Lost 1-2 | -131433 |
| 4legacy | 1927 | Frezza, Owen (1483) | Won 2-0 | +191452 |
| 5legacy | 1863 | Meadow, Eric (1415) | Won 2-1 | +181470 |
| 6legacy | 1641 | Gilbert, Ryan (1503) | Lost 0-2 | -181452 |
| top | average opponent: 1521record: 3-3 | new rating: 1452 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 737 | Girardi, Nicholas (1500) | Lost 0-2 | -181482 |
| 2modern | 1018 | Davidson Carroll, Gray (1484) | Lost 1-2 | -181464 |
| 3modern | 1235 | Lewis, Nicholas (1438) | Won 2-1 | +181482 |
| 4modern | 1147 | Kriner, Michael (1480) | Lost 0-2 | -181464 |
| 5modern | 1146 | Wong, Matthew (1421) | Lost 1-2 | -191445 |
| top | average opponent: 1465record: 1-4 | new rating: 1445 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Poore, Steve (1500) | Lost 0-2 | -171464 |
| 2sealed | 280 | Erskine, Ryan (1434) | Won 2-0 | +171481 |
| 3sealed | 315 | Growke, Vince (1464) | Lost 1-2 | -181463 |
| 4sealed | 367 | Smith, Ryan (1467) | Won 2-1 | +181481 |
| 5sealed | 328 | Chagnon, Cody (1488) | Won 2-0 | +181499 |
| 6sealed | 151 | Denniser, Andrew (1534) | Won 2-0 | +191518 |
| 7sealed | 97 | Mathison, Tanner (1539) | Lost 1-2 | -181500 |
| top | average opponent: 1489record: 4-3 | new rating: 1500 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 355 | Maxwell, Bradley (1500) | Won 2-1 | +181518 |
| 2standard | 411 | Cullum, Travis (1571) | Won 2-1 | +191537 |
| 3standard | 129 | Magby, Mike (1528) | Won 2-0 | +181555 |
| 4standard | 101 | Sunell, Jeremy J (1518) | Lost 1-2 | -191536 |
| 5standard | 272 | Chase, John (1539) | Lost 1-2 | -181518 |
| 6standard | 411 | Kelahan, Ciaran (1479) | Lost 0-2 | -191499 |
| 7standard | 401 | Dalama, Jaime (1488) | Lost 0-2 | -181481 |
| top | average opponent: 1518record: 3-4 | new rating: 1481 | ||