Hennessy, Garrett
Current rating: 1704 (#6278)
Record: 22-13-1 (GP) / 7-9 (professional)
| Mythic Championship VI (ELD standard) | starting rating: 1699 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 117 | Camilleri, Daniel (1370) | Won 2-0 | +121711 |
| 2draft | 154 | Prinz, Kristof (2020) | Won 2-1 | +241735 |
| 3draft | 162 | Bursavich, Austin (2145) | Lost 0-2 | -111724 |
| 4standard | 61 | Tenjum, Andrew (1751) | Won 2-0 | +181742 |
| 5standard | 55 | Black, Samuel (1851) | Won 2-1 | +201762 |
| 6standard | 33 | Salvador Arnal, Guillem (2033) | Lost 0-2 | -131749 |
| 7standard | 31 | Chaovarindr, Thirawat (1894) | Lost 0-2 | -151734 |
| 8standard | 71 | Murae, Ryuji (1912) | Won 2-1 | +211755 |
| 9draft | 13 | Rountree, Collin (1951) | Lost 0-2 | -141741 |
| 10draft | 123 | Cantergiani, Kade (1599) | Lost 1-2 | -211720 |
| 11draft | 99 | Wu, Allen (2173) | Lost 1-2 | -101710 |
| 12standard | 133 | Ferber, Chris (1869) | Won 2-0 | +211731 |
| 13standard | 125 | Lee, Shi Tian (2023) | Lost 0-2 | -131718 |
| 14standard | 114 | Takahashi, Yuta (2006) | Lost 1-2 | -131705 |
| 15standard | 123 | Fiedler, Andrew (1667) | Lost 1-2 | -191686 |
| 16standard | 120 | Schroeder, Josh (1660) | Won 2-0 | +181704 |
| top | average opponent: 1870record: 7-9 | new rating: 1704 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 201 | Cahalan, Liam (1733) | Lost 0-2 | -141516 |
| 4modern | 259 | Bernett, Evan (1419) | Won 2-1 | +161532 |
| 5modern | 184 | Fillinger, Brett (1693) | Won 2-0 | +211553 |
| 6modern | 197 | Yu, Ben (1878) | Won 2-1 | +241577 |
| 7modern | 108 | Fricke, Jimmy (1601) | Won 2-1 | +181595 |
| 8modern | 45 | West, Jacob (1534) | Won 2-1 | +171612 |
| 9modern | 22 | Beaver, Quest (1613) | Won 2-1 | +181630 |
| 10modern | 2011 | Zoller, Nolan (1851) | Won 2-1 | +221652 |
| 11modern | 2003 | Peek, Thomas (1726) | Lost 0-2 | -171635 |
| 12modern | 2025 | Jessup, Andrew (1905) | Won 2-1 | +231658 |
| 13modern | 2019 | Paton, Jon (1842) | Won 2-0 | +211679 |
| 14modern | 2009 | Jao, Jeff (1896) | Won 2-1 | +221701 |
| 15modern | 2006 | Yoshida, Kei (1641) | Won 2-0 | +171718 |
| Qmodern | Nedelchev, Zhivko (1667) | Lost 1-2 | -191699 | |
| top | average opponent: 1714record: 11-3 | new rating: 1699 | ||
| Grand Prix Calgary 2019 (modern) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 124 | Edgar, Dylan (1482) | Lost 0-2 | -191476 |
| 2modern | 274 | Wells, Christie (1482) | Won 2-1 | +191495 |
| 3modern | 230 | Leon, Markes (1497) | Won 2-0 | +181513 |
| 4modern | 265 | Montgomery, Carson (1520) | Lost 0-2 | -181495 |
| 5modern | 304 | Swanson, Matthew (1416) | Lost 1-2 | -201475 |
| 6modern | 303 | Kielek, Kayla (1500) | Won 2-0 | +191494 |
| 7modern | 228 | Anderson, Chase (1500) | Won 2-1 | +181512 |
| 8modern | 136 | Dymock, Craig (1518) | Won 2-0 | +181530 |
| top | average opponent: 1489record: 5-3 | new rating: 1530 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Ballard, Timothy (1441) | Won 2-0 | +171489 |
| 2sealed | 258 | Guzman, Alejandro (1499) | Lost 0-2 | -181471 |
| 3sealed | 733 | Wilson, Erik (1478) | Won 2-0 | +181489 |
| 4sealed | 458 | Reyburn, Zachary (1797) | Lost 0-2 | -121477 |
| 5sealed | 447 | Wood, Dan (1479) | Won 2-0 | +181495 |
| 6sealed | 390 | McKenzie, Dustin (1520) | Draw 1-1 | 01495 |
| 7sealed | 380 | Jakobovits, Rex (1514) | Won 2-0 | +191514 |
| 8sealed | 266 | Moore-Brown, Justin (1469) | Lost 0-2 | -191495 |
| top | average opponent: 1525record: 4-3-1 | new rating: 1495 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 390 | Cochrane, Andrew (1500) | Won 2-1 | +181518 |
| 2standard | 60 | Ritter, Jacob (1812) | Lost 0-2 | -131505 |
| 3standard | 428 | Sosne, Michael (1499) | Won 2-0 | +181523 |
| 4standard | 224 | Blackwood, Andrew (1501) | Lost 1-2 | -181505 |
| 5standard | 413 | Penticoff, Aidan (1498) | Lost 1-2 | -181487 |
| 6standard | 467 | Olvera, Bryan (1648) | Lost 0-2 | -151472 |
| top | average opponent: 1576record: 2-4 | new rating: 1472 | ||