Brennan, Corey
Current rating: 1386
Record: 27-38
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 356 | Lynch, Corey (1634) | Lost 0-2 | -141408 |
| 4standard | 293 | Paugh, Jacob (1518) | Lost 1-2 | -161392 |
| 5standard | 512 | Zeiler, Daniel (1523) | Won 2-0 | +201412 |
| 6standard | 256 | Sweeney, Austin (1620) | Lost 1-2 | -141398 |
| 7standard | 517 | Howard, Craig (1506) | Lost 0-2 | -161382 |
| 8standard | 497 | Sousa, Carisa (1471) | Lost 1-2 | -161366 |
| 9standard | 447 | Cannon, Zach (1463) | Won 2-0 | +201386 |
| top | average opponent: 1534record: 2-5 | new rating: 1386 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 377 | Gallen, Derek (1630) | Lost 1-2 | -151477 |
| 4modern | 672 | Tan, Xiao (1592) | Lost 1-2 | -161461 |
| 5modern | 1030 | Cozzoli, Kevin (1431) | Lost 1-2 | -191442 |
| 6modern | 1105 | Smith, Brian (1340) | Lost 0-2 | -201422 |
| top | average opponent: 1498record: 0-4 | new rating: 1422 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 123 | Goss, Riley (1541) | Won 2-0 | +181562 |
| 4legacy | 13 | Larson, Eric (1524) | Won 2-0 | +171579 |
| 5legacy | 51 | Madsen, Benton (1584) | Lost 0-2 | -181561 |
| 6legacy | 92 | Sonnemaker, Andrew (1607) | Lost 1-2 | -171544 |
| 7legacy | 506 | Nixon, Michael (1702) | Lost 1-2 | -151529 |
| 8legacy | 634 | Ng, Carey (1499) | Lost 1-2 | -191510 |
| 9legacy | 570 | Perimon, Stephen (1500) | Lost 0-2 | -181492 |
| top | average opponent: 1565record: 2-5 | new rating: 1492 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 4 | Hawthorne, Bart (1683) | Lost 1-2 | -151542 |
| 4sealed | 365 | Kearney, Dale (1401) | Lost 0-2 | -211521 |
| 5sealed | 606 | Rocus, Andy (1421) | Won 2-0 | +161537 |
| 6sealed | 439 | Lerch, Corey (1546) | Won 2-0 | +181555 |
| 7sealed | 164 | Mitchell, Billy (1909) | Won 2-0 | +251580 |
| 8sealed | 244 | Tanner, Joe (1603) | Lost 0-2 | -181562 |
| 9sealed | 244 | Serano, Josh (1552) | Lost 0-2 | -181544 |
| top | average opponent: 1588record: 3-4 | new rating: 1544 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 826 | Kinner, Jeffrey (1457) | Won 2-0 | +161586 |
| 4sealed | 592 | Jao, Jeff (1893) | Won 2-1 | +241610 |
| 5sealed | 596 | Jones, Logan (1560) | Lost 0-2 | -191591 |
| 6sealed | 719 | Di Liddo, Erik (1562) | Lost 1-2 | -191572 |
| 7sealed | 722 | Menzies, Emil (1580) | Lost 1-2 | -181554 |
| 8sealed | 807 | Barash, Zachary (1767) | Lost 1-2 | -141540 |
| 9sealed | 849 | Sancen, Alex (1498) | Won 2-0 | +171557 |
| top | average opponent: 1617record: 3-4 | new rating: 1557 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 58 | Hazen, Jim (1535) | Lost 0-2 | -201592 |
| 4standard | 349 | Rogers, Nick (1571) | Won 2-0 | +181610 |
| 5standard | 310 | Lechnyr, Jerry (1501) | Lost 1-2 | -201590 |
| 6standard | 360 | Altschuler, Daniel (1499) | Lost 1-2 | -201570 |
| top | average opponent: 1526record: 1-3 | new rating: 1570 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 251 | Quinn, Stephen (1623) | Won 2-1 | +211487 |
| 3modern | 237 | Schaefer, Charles (1520) | Won 2-1 | +191506 |
| 4modern | 380 | Bolding, Jon (1843) | Won 2-0 | +231529 |
| 5modern | 10 | Schaffluetzel, Lester (1540) | Won 2-1 | +191548 |
| 6modern | 249 | Mitchell, Dylan (1518) | Won 2-0 | +171565 |
| 7modern | 15 | Roy, Marc (1543) | Lost 0-2 | -181547 |
| 8modern | 70 | Walter, Royce (2047) | Won 2-0 | +261573 |
| 9modern | 28 | Ragle, William (1573) | Won 2-1 | +181591 |
| 10modern | 24 | Koon, David (1673) | Won 2-0 | +201611 |
| 11modern | 120 | Kassis, Eli (1861) | Lost 0-2 | -141597 |
| 12modern | 59 | Jeffries, Adrew (1651) | Lost 1-2 | -171580 |
| 13modern | 103 | Nguyen, Thien (1996) | Won 2-1 | +251605 |
| 14modern | 26 | O'Neal, Seavy (1578) | Lost 0-2 | -181587 |
| 15modern | 54 | Cohen, Justin (1984) | Won 2-1 | +251612 |
| top | average opponent: 1711record: 10-4 | new rating: 1612 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 244 | Allan, Chris (1498) | Won 2-1 | +191467 |
| 3standard | 174 | Louie, Justin (1613) | Won 2-1 | +211488 |
| 4standard | 167 | Kelly, Peter (1555) | Won 2-1 | +191507 |
| 5standard | 8 | Jin, Andy (1621) | Lost 0-2 | -161491 |
| 6standard | 147 | Rianhard, Cain (1648) | Lost 0-2 | -151476 |
| 7standard | 374 | Longo, Andrew (1728) | Lost 0-2 | -141462 |
| 8standard | 499 | Neudecker, Ian (1516) | Lost 1-2 | -171445 |
| 9standard | 465 | Hurst, Alex (1593) | Won 2-0 | +211466 |
| top | average opponent: 1597record: 4-4 | new rating: 1466 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 327 | Whittle, Matthew (1481) | Won 2-1 | +181518 |
| 2modern | 204 | Korycinski, Craig (1576) | Lost 1-2 | -171501 |
| 3modern | 744 | Tunison, Drew (1697) | Lost 1-2 | -151486 |
| 4modern | 886 | Asmus, Gilbert (1376) | Won 2-0 | +161502 |
| 5modern | 602 | Boice, Brad (1503) | Lost 0-2 | -181484 |
| 6modern | 860 | Manzano, Calvin (1485) | Lost 1-2 | -181466 |
| 7modern | 747 | Dernar, Zachary (1464) | Lost 1-2 | -181448 |
| top | average opponent: 1512record: 2-5 | new rating: 1448 | ||