Walsh, Brennan
Current rating: 1638
Record: 55-43-2
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1687 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 124 | Shepard, Jesse (1473) | Lost 0-2 | -221665 |
| 3standard | 532 | Kidder, Nate (1499) | Lost 0-2 | -211644 |
| 4standard | 629 | Buzzard, Matthew (1468) | Lost 1-2 | -211623 |
| 5standard | 630 | Maehle, Oscar (1467) | Won 2-0 | +151638 |
| top | average opponent: 1477record: 1-3 | new rating: 1638 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1663 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 198 | Papp, Michael (1469) | Won 2-0 | +141677 |
| 3standard | 108 | Authier, Martin (1438) | Won 2-1 | +141691 |
| 4standard | 16 | Reed, David (1846) | Lost 1-2 | -151676 |
| 5standard | 170 | Lombardi, Robert (1937) | Lost 1-2 | -141662 |
| 6standard | 276 | Duan, Daniel (1718) | Lost 0-2 | -171645 |
| 7standard | 439 | Anger, Joseph (1398) | Won 2-0 | +141659 |
| 8standard | 241 | Rubinoff, Jeremy (1441) | Won 2-0 | +141673 |
| 9standard | 237 | Conn, Alexander (1777) | Won 2-0 | +201693 |
| 10standard | 710 | Chilbert, Colin (1791) | Won 2-1 | +201713 |
| 11standard | 655 | Mansell, Austin (1711) | Lost 0-2 | -181695 |
| 12standard | 694 | Piscitelli, Zach (1576) | Won 2-1 | +161711 |
| 13standard | 671 | Birmingham, Bobby (1629) | Lost 0-2 | -201691 |
| 14standard | 649 | Mezinko, John (1567) | Lost 0-2 | -201671 |
| 15standard | 679 | Roberson, Rameal (1558) | Won 2-0 | +161687 |
| top | average opponent: 1633record: 8-6 | new rating: 1687 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 280 | Will, Daniel (1699) | Won 2-0 | +181682 |
| 3legacy | 514 | Kidd, Michael (1554) | Won 2-0 | +161698 |
| 4legacy | 390 | Bernal, Joseph (1692) | Lost 1-2 | -181680 |
| 5legacy | 496 | Busch, Russell (1598) | Won 2-0 | +161696 |
| 6legacy | 367 | Doiron, Curtis (1597) | Lost 0-2 | -191677 |
| 7legacy | 595 | Maynard, Pascal (1980) | Won 2-1 | +231700 |
| 8legacy | 406 | Weihe, Sean (1799) | Lost 1-2 | -161684 |
| 9legacy | 575 | O'Haro, James (1520) | Lost 0-2 | -211663 |
| top | average opponent: 1680record: 4-4 | new rating: 1663 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1671 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 65 | Muralitheran, Hari (1517) | Won 2-0 | +151686 |
| 3sealed | 52 | McKernan, Elizabeth (1536) | Draw 1-1 | -31683 |
| 4sealed | 160 | Lemahieu, Jason (1588) | Lost 0-2 | -201663 |
| 5sealed | 288 | Esposito, John (1706) | Won 2-0 | +191682 |
| 6sealed | 187 | Jacobs, Robert (1702) | Won 2-1 | +191701 |
| 7sealed | 108 | Boor, Zachary (1552) | Lost 1-2 | -211680 |
| 8sealed | 202 | Novak, Tyler (1772) | Lost 0-2 | -161664 |
| top | average opponent: 1625record: 3-3-1 | new rating: 1664 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1673 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 205 | Judge, Tom (1508) | Lost 1-2 | -211652 |
| 3standard | 421 | Belli, Adam (1500) | Won 2-0 | +151667 |
| 4standard | 444 | Gunn, Kwame (1462) | Lost 0-2 | -221645 |
| 5standard | 359 | Grant, Steven (1447) | Won 2-0 | +151660 |
| 6standard | 333 | Rios, Justin (1655) | Lost 0-2 | -191641 |
| 7standard | 234 | Tramper, Auston (1718) | Won 2-0 | +201661 |
| 8standard | 337 | Schlosser, Kenneth (1548) | Won 2-0 | +161677 |
| 9standard | 215 | Mains, Matthew (1459) | Won 2-0 | +141691 |
| 10standard | 409 | Harper, James (1571) | Lost 0-2 | -201671 |
| top | average opponent: 1541record: 5-4 | new rating: 1671 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1716 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 153 | Thiel, Jon (1523) | Lost 0-2 | -211695 |
| 3legacy | 597 | Kyser, Nick (1502) | Lost 0-2 | -221673 |
| 4legacy | 778 | McGrew, Steven (1545) | Lost 0-2 | -201653 |
| 5legacy | 743 | Blackwell, Frederic (1462) | Won 2-0 | +151668 |
| 6legacy | 615 | McLean, Austin (1482) | Won 2-1 | +141682 |
| 7legacy | 575 | Heinson, Grant (1546) | Won 2-1 | +161698 |
| 8legacy | 351 | Crawford, Kyle (1526) | Won 2-0 | +151713 |
| 9legacy | 281 | Shank, Allen (1568) | Won 2-0 | +151728 |
| 10legacy | 198 | Uppal, Justin (1745) | Lost 1-2 | -181710 |
| 11legacy | 211 | Wu, Timothy (1756) | Lost 1-2 | -171693 |
| 12legacy | 222 | Cottell, Peter (1546) | Lost 0-2 | -201673 |
| top | average opponent: 1564record: 5-6 | new rating: 1673 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1653 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 279 | Moe, Nathan (1518) | Won 2-0 | +151668 |
| 3standard | 85 | Smith, Sean (1762) | Won 2-1 | +201688 |
| 4standard | 78 | Greenwood, Isaac (1520) | Won 2-0 | +151703 |
| 5standard | 30 | Thiele, Kyle (1687) | Won 2-0 | +181721 |
| 6standard | 32 | McVety, Max (1929) | Lost 1-2 | -151706 |
| 7standard | 92 | Jacobs, Robert (1644) | Won 2-1 | +171723 |
| 8standard | 16 | Rekow, Michael (1702) | Won 2-1 | +181741 |
| 9standard | 16 | Dietrich, Jake (1633) | Lost 1-2 | -201721 |
| 10standard | 55 | Boyd, Noah (1612) | Lost 0-2 | -201701 |
| 11standard | 93 | Weiser, Daniel (1688) | Lost 0-2 | -181683 |
| 12standard | 155 | Roman, Josh (1539) | Won 2-1 | +151698 |
| 13standard | 103 | Janssen, Spencer (1580) | Won 2-0 | +161714 |
| 14standard | 68 | Nakamura, Shuhei (1982) | Lost 0-2 | -131701 |
| 15standard | 79 | Pham, Phillip (1563) | Won 2-0 | +151716 |
| top | average opponent: 1668record: 9-5 | new rating: 1716 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1631 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 188 | Skaggs, Brandon (1500) | Lost 0-2 | -211610 |
| 2standard | 317 | Buzzie, Daniel (1596) | Won 2-0 | +181628 |
| 3standard | 294 | Carson, Eric (1482) | Won 2-0 | +151643 |
| 4standard | 158 | Deluca, Vinnie (1519) | Won 2-0 | +161659 |
| 5standard | 94 | Yang, Fanchen (1572) | Won 2-0 | +161675 |
| 6standard | 105 | Johnson, Angelique (1502) | Won 2-0 | +151690 |
| 7standard | 34 | Bush, James (1661) | Lost 0-2 | -181672 |
| 8standard | 71 | Monk, Derek (1723) | Draw 1-1 | +11673 |
| 9standard | 116 | Orantes, Chris (1567) | Lost 0-0 | -201653 |
| top | average opponent: 1569record: 5-3-1 | new rating: 1653 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 374 | Wendricks, Matthew (1500) | Won 2-0 | +171579 |
| 2sealed | 226 | McMullen, Gregory (1518) | Won 2-1 | +171596 |
| 3sealed | 278 | Gancer, Mary Ann (1502) | Won 2-0 | +161612 |
| 4sealed | 120 | Lee, Marlin (1555) | Won 2-0 | +171629 |
| 5sealed | 63 | Haukereid, Jordan (1676) | Won 2-0 | +191648 |
| 6sealed | 10 | Beltz, James (1894) | Won 2-1 | +221670 |
| 7sealed | 8 | Markeson, Scott (1992) | Lost 0-2 | -121658 |
| 8sealed | 17 | Huang, Hao-Shan (1791) | Won 2-1 | +201678 |
| 9sealed | 18 | Lentini, Kendrick (1615) | Lost 0-2 | -191659 |
| 10draft | 18 | Sochurek, Petr (2014) | Lost 1-2 | -121647 |
| 11draft | 18 | Goodspeed, Nicholas (1550) | Won 2-0 | +171664 |
| 12draft | 18 | Olson, Jacob (1628) | Won 2-0 | +171681 |
| 13draft | 80 | Cecchetti, Daniel (1915) | Lost 1-2 | -141667 |
| 14draft | 36 | Retterer-Moore, John (1623) | Lost 0-2 | -191648 |
| 15draft | 62 | TerHaar, Micah (1660) | Lost 0-2 | -171631 |
| top | average opponent: 1695record: 9-6 | new rating: 1631 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1120 | Abram, Marvin (1500) | Won 2-1 | +181518 |
| 2modern | 1268 | Hunt, Bryan (1464) | Won 2-1 | +171535 |
| 3modern | 1012 | Shank, Michael (1535) | Won 2-0 | +181553 |
| 4modern | 1115 | Smith, Joseph (1579) | Won 2-0 | +181571 |
| 5modern | 1034 | Walker, Noah (1899) | Lost 1-2 | -121559 |
| 6modern | 1068 | Ulanov, Denis (1773) | Lost 1-2 | -141545 |
| 7modern | 1181 | McAleer, Patrick (1538) | Won 2-1 | +181563 |
| 8modern | 1103 | Embry, Brian (1516) | Won 2-1 | +171580 |
| 9modern | 1054 | Bayne, Robert (1572) | Lost 1-2 | -181562 |
| top | average opponent: 1597record: 6-3 | new rating: 1562 | ||