Herb, Ian
Current rating: 1546
Record: 27-27
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 324 | Robinson, Jesse (1569) | Won 2-1 | +181566 |
| 2sealed | 218 | Sussman, Samuel (1519) | Lost 1-2 | -191547 |
| 3sealed | 531 | Green, John (1536) | Won 2-0 | +181565 |
| 4sealed | 288 | Mcgrath, Travis (1527) | Lost 1-2 | -191546 |
| top | average opponent: 1538record: 2-2 | new rating: 1546 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 140 | Kvartek, Chris (1921) | Lost 0-2 | -121587 |
| 3sealed | 569 | Vornholt, Eric (1494) | Lost 0-2 | -201567 |
| 4sealed | 695 | Gordon, Michael (1464) | Lost 1-2 | -191548 |
| top | average opponent: 1626record: 0-3 | new rating: 1548 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1623 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 223 | Maguire, Patrick (1518) | Won 2-0 | +161639 |
| 3standard | 38 | Hirmiz, Fadi (1719) | Won 2-0 | +191658 |
| 4standard | 198 | Beland, Nicolas (1560) | Lost 0-2 | -191639 |
| 5standard | 183 | Freeman, Scott (1500) | Lost 1-2 | -211618 |
| 6standard | 431 | Pogorzhelsky, Alessandro (1577) | Lost 1-2 | -191599 |
| top | average opponent: 1575record: 2-3 | new rating: 1599 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 121 | Froude, Damion (1500) | Won 2-0 | +181483 |
| 2standard | 52 | Boyd, Dylan (1515) | Lost 1-2 | -171466 |
| 3standard | 515 | Lagace, Jean-Samuel (1450) | Won 2-1 | +171483 |
| 4standard | 337 | Brown, Dylan [USA] (1587) | Won 2-0 | +201503 |
| 5standard | 282 | Geissler, Kevin (1688) | Lost 1-2 | -141489 |
| 6standard | 295 | Cyr, Shawn (1477) | Won 2-0 | +171506 |
| 7standard | 204 | Wray, James (1651) | Won 2-1 | +211527 |
| 8standard | 137 | Marple, George (1528) | Won 2-0 | +181545 |
| 9standard | 53 | Nass, Matthew (2072) | Lost 0-2 | -91536 |
| 10standard | 713 | O'Dell, Luke (1443) | Won 2-0 | +161552 |
| 11standard | 636 | Tse, Lewis (1623) | Won 2-0 | +191571 |
| 12standard | 618 | Swaluk, Jeff (1829) | Lost 0-2 | -131558 |
| 13standard | 659 | Darby, Wyatt (1928) | Won 2-1 | +251583 |
| 14standard | 628 | Gardner, Jonathan (1737) | Won 2-0 | +201603 |
| 15standard | 607 | Walsh, Jordan (1690) | Won 2-1 | +201623 |
| top | average opponent: 1648record: 11-4 | new rating: 1623 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 147 | Fitzgerald, Charles (1499) | Won 2-0 | +181517 |
| 3modern | 340 | Kanner, Zachary (1619) | Lost 0-2 | -161501 |
| 4modern | 561 | Mendez, Paul (1469) | Lost 0-2 | -191482 |
| 5modern | 610 | O'Riley, Damien (1499) | Lost 0-2 | -171465 |
| top | average opponent: 1522record: 1-3 | new rating: 1465 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 274 | Simmons, Barry (1501) | Won 2-0 | +181489 |
| 3sealed | 279 | Catalano, Jeffrey (1521) | Won 2-0 | +191508 |
| 4sealed | 106 | Kaplan, Lain (1796) | Lost 1-2 | -131495 |
| 5sealed | 288 | Terry, Alexander J (1534) | Won 2-0 | +191514 |
| 6sealed | 211 | Noga, Steve (1388) | Lost 0-2 | -211493 |
| 7sealed | 263 | Pacheco, Christopher (1619) | Won 2-0 | +211514 |
| 8sealed | 113 | Gardner, Garrett (1690) | Lost 1-2 | -151499 |
| top | average opponent: 1578record: 4-3 | new rating: 1499 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 76 | Dolens, Joseph (1534) | Won 2-0 | +181516 |
| 3standard | 71 | Cuvelier, John (1817) | Lost 1-2 | -121504 |
| 4standard | 354 | Iglesias, John (1667) | Lost 0-2 | -151489 |
| 5standard | 320 | Realff, Alexander E (1499) | Lost 1-2 | -181471 |
| top | average opponent: 1629record: 1-3 | new rating: 1471 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Rosso, Jesse (1500) | Won 2-1 | +181519 |
| 2standard | 188 | Szczerbaniewicz, Lucas (1518) | Won 2-0 | +181537 |
| 3standard | 52 | Leshen, Justin (1535) | Lost 1-2 | -181519 |
| 4standard | 289 | Herr, Briana (1403) | Won 2-0 | +161535 |
| 5standard | 232 | Menard, Bryce J (1493) | Lost 0-2 | -191516 |
| 6standard | 369 | Lawson, Ace (1513) | Lost 0-2 | -181498 |
| top | average opponent: 1494record: 3-3 | new rating: 1498 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 202 | Dubac, Casey (1500) | Won 2-1 | +181518 |
| 2standard | 214 | Walker, Dennis (1534) | Lost 1-2 | -181500 |
| 3standard | 392 | Burrows, Raja (1448) | Lost 1-2 | -191481 |
| 4standard | 631 | Stanley, Robert (1502) | Won 2-1 | +191500 |
| 5standard | 501 | Woodland, John (1499) | Won 2-1 | +181518 |
| 6standard | 379 | Coleman, Allison (1570) | Lost 1-2 | -171501 |
| top | average opponent: 1509record: 3-3 | new rating: 1501 | ||