Cohen, Brent
Current rating: 1547
Record: 33-34
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 15 | Kalkbrenner, Matthew (1499) | Lost 1-2 | -201583 |
| 2legacy | 278 | Walters, Noah (1672) | Lost 1-2 | -171566 |
| 3legacy | 450 | Wright, Andre (1463) | Lost 0-2 | -191547 |
| top | average opponent: 1544record: 0-3 | new rating: 1547 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 457 | Gellerman, Lionel (1462) | Won 2-0 | +181519 |
| 2modern | 82 | Castro, Tiago (1520) | Won 2-1 | +181537 |
| 3modern | 79 | Echavarria, Carlos (1537) | Won 2-1 | +181555 |
| 4modern | 48 | Walker, Jeff (1774) | Won 2-1 | +221577 |
| 5modern | 49 | Lorren, Phillip (1815) | Won 2-1 | +221599 |
| 6modern | 43 | Szylman, Dariusz (1728) | Lost 1-2 | -161583 |
| 7modern | 108 | Saito, Tomoharu (2011) | Won 2-0 | +261609 |
| 8modern | 74 | Kiefer, Jack (2037) | Won 2-0 | +251634 |
| 9modern | 30 | Cockrell, Joseph (1686) | Lost 1-2 | -171617 |
| 10modern | 64 | Austin, Lance (1974) | Lost 0-2 | -121605 |
| 11modern | 103 | Sacher, AJ (1796) | Lost 1-2 | -141591 |
| 12modern | 134 | Maloney, Kyle (1576) | Won 2-1 | +171608 |
| 13modern | 105 | Roark, Vance (1584) | Won 2-1 | +181626 |
| 14modern | 51 | Rodrigues, Thiago (1975) | Lost 1-2 | -121614 |
| 15modern | 88 | Chung, Jason (2002) | Lost 0-2 | -111603 |
| top | average opponent: 1765record: 9-6 | new rating: 1603 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 36 | Hodgins, Austin (1500) | Lost 0-2 | -181497 |
| 2modern | 786 | Bostrom, Lucas (1484) | Lost 1-2 | -181479 |
| 3modern | 1374 | Lujan, Gerald (1467) | Won 2-1 | +181497 |
| 4modern | 1142 | Powell, Chris (1474) | Won 2-0 | +171514 |
| 5modern | 1090 | Howland, Spencer (1668) | Won 2-0 | +211535 |
| 6modern | 648 | Hord, Chad (1691) | Lost 0-2 | -151520 |
| 7modern | 980 | Arias, Jaycob (1501) | Lost 1-2 | -191501 |
| top | average opponent: 1541record: 3-4 | new rating: 1501 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 499 | Stoltzfus, Timothy (1442) | Lost 1-2 | -191500 |
| 2legacy | 770 | Sakioka, Corbin (1481) | Won 2-1 | +171517 |
| 3legacy | 1000 | Fondren, Roger (1366) | Lost 1-2 | -201497 |
| 4legacy | 1028 | Williams, Stephen (1558) | Won 2-1 | +191516 |
| 5legacy | 720 | Rider, Brian (1415) | Won 2-0 | +161532 |
| 6legacy | 505 | Waymon, Larry (1610) | Lost 0-2 | -171515 |
| top | average opponent: 1479record: 3-3 | new rating: 1515 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 717 | Barefoot, Dan (1539) | Won 2-0 | +191548 |
| 4sealed | 585 | Mahaffey, Christopher (1540) | Lost 1-2 | -191529 |
| 5sealed | 853 | Lane, Joseph (1484) | Lost 1-2 | -181511 |
| 6sealed | 970 | Rivera, Israel (1479) | Won 2-0 | +171528 |
| 7sealed | 713 | Lumpkin, Daniel (1494) | Won 2-1 | +171545 |
| 8sealed | 739 | McVety, Max (1951) | Lost 1-2 | -111534 |
| 9sealed | 776 | Lear, Tanner (1683) | Lost 0-2 | -151519 |
| top | average opponent: 1596record: 3-4 | new rating: 1519 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 85 | Larsen, Michael J (1561) | Won 2-0 | +181572 |
| 2modern | 79 | Smith, Elbert (1542) | Won 2-0 | +181590 |
| 3modern | 87 | Campbell, Shane R (1577) | Won 2-1 | +171607 |
| 4modern | 75 | Duan, Sean (1509) | Lost 0-2 | -191588 |
| 5modern | 114 | Abbott, Zac (1521) | Lost 1-2 | -201568 |
| 6modern | 276 | Macarthy, Luke (1525) | Lost 1-2 | -181550 |
| 7modern | 273 | Johnson, Andrew (1613) | Won 2-0 | +191569 |
| 8modern | 212 | Johnson, Brandt (1447) | Lost 1-2 | -211548 |
| 9modern | 168 | McGrain, Peter (1487) | Lost 1-2 | -191529 |
| top | average opponent: 1531record: 4-5 | new rating: 1529 | ||
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Leister, Nicole (1543) | Won 2-0 | +191506 |
| 2sealed | 24 | Shiels, Brian (1476) | Lost 1-2 | -181488 |
| 3sealed | 235 | Carlson, Mark 2 (1488) | Won 2-0 | +181506 |
| 4sealed | 152 | Eames, Elizabeth (1518) | Won 2-0 | +181524 |
| 5sealed | 165 | Gottman, Matt S (1524) | Won 2-0 | +181542 |
| 6sealed | 67 | Blankenship, George (1654) | Lost 0-2 | -161526 |
| 7sealed | 145 | Watanabe, Yuuya (1820) | Lost 0-2 | -131513 |
| 8sealed | 156 | Smith, Alex D (1507) | Won 2-0 | +181531 |
| 9sealed | 137 | Malka, Sol (1809) | Won 2-0 | +231554 |
| top | average opponent: 1593record: 6-3 | new rating: 1554 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 222 | Perdue, Eric J (1500) | Won 2-0 | +181542 |
| 2sealed | 94 | Johnston, Tyler (1500) | Lost 1-2 | -191523 |
| 3sealed | 227 | McGill, Brandon (1414) | Lost 0-2 | -201503 |
| 4sealed | 277 | Smith, Harris (1622) | Lost 0-2 | -161487 |
| top | average opponent: 1509record: 1-3 | new rating: 1487 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Tonianse, Andranik (1500) | Won 2-0 | +181518 |
| 2sealed | 172 | Fitzpatrick, Mike (1465) | Lost 0-2 | -191499 |
| 3sealed | 154 | Vazquez, Anthony (1500) | Won 2-1 | +181517 |
| 4sealed | 206 | Preston, Zach (1521) | Lost 0-2 | -181499 |
| 5sealed | 219 | Berni, Roberto (1513) | Won 2-1 | +181517 |
| 6sealed | 172 | Kastner, Donald (1849) | Won 2-1 | +241541 |
| 7sealed | 99 | Cuvelier, John (1596) | Lost 0-2 | -171524 |
| top | average opponent: 1563record: 4-3 | new rating: 1524 | ||