Hartzell, Patrick
Current rating: 1687
Record: 26-17
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 146 | Ballard, Mark (1500) | Won 2-1 | +151679 |
| 3legacy | 147 | Dhaliwal, Shawn (1957) | Won 2-1 | +231702 |
| 4legacy | 23 | So, Justin (1507) | Lost 1-2 | -211681 |
| 5legacy | 202 | Wood, Zachary (1615) | Lost 1-2 | -191662 |
| 6legacy | 155 | Newman, Carter (1793) | Won 2-1 | +201682 |
| 7legacy | 196 | Russell, Tyler (1612) | Won 2-1 | +171699 |
| 8legacy | 59 | Wiest, Hank (1530) | Won 2-0 | +151714 |
| 9legacy | 57 | Hamilton, John Ryan (1595) | Won 2-0 | +161730 |
| 10legacy | 32 | Patel, Tariq (1933) | Lost 1-2 | -151715 |
| 11legacy | 63 | Vu, Alexander (1563) | Won 2-1 | +151730 |
| 12legacy | 48 | Remelt, Shane (1784) | Lost 1-2 | -171713 |
| 13legacy | 68 | Fisher, Liam (1524) | Lost 1-2 | -211692 |
| 14legacy | 76 | Chatwood, Edward (1521) | Won 2-1 | +151707 |
| 15legacy | 62 | Ashlock, Richard (1598) | Lost 0-2 | -201687 |
| top | average opponent: 1645record: 8-6 | new rating: 1687 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1698 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Brockman, David Derek Scott (1478) | Lost 0-2 | -221676 |
| 2standard | 297 | Ditchfield, Alexander (1482) | Won 2-1 | +141690 |
| 3standard | 411 | Leone, Giuseppe (1513) | Lost 0-2 | -211669 |
| 4standard | 486 | Laikin, Stephan (1617) | Won 2-0 | +171686 |
| 5standard | 383 | Gonzalez, Robert (1487) | Lost 0-2 | -221664 |
| top | average opponent: 1516record: 2-3 | new rating: 1664 | ||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 218 | Henry, Ian (1537) | Won 2-0 | +181549 |
| 2legacy | 102 | Rodriguez, Kenneth (1512) | Won 2-1 | +171566 |
| 3legacy | 174 | Bowman, Jeremy (1513) | Won 2-1 | +171583 |
| 4legacy | 50 | Saporito, Thiago (1991) | Won 2-1 | +251608 |
| 5legacy | 7 | Soorani, Shaheen (2087) | Lost 0-2 | -101598 |
| 6legacy | 54 | Gennari, Justin (1807) | Won 2-1 | +221620 |
| 7legacy | 43 | Laflamme, Anthony (1752) | Won 2-0 | +211641 |
| 8legacy | 23 | Sworts, Landon (1602) | Lost 1-2 | -191622 |
| 9legacy | 2043 | Dilks, Matthew (1906) | Won 2-1 | +231645 |
| 10legacy | 2032 | Osborne, Brandon (1685) | Won 2-1 | +191664 |
| 11legacy | 2013 | Cuneo, Andrew (2075) | Lost 1-2 | -111653 |
| 12legacy | 2028 | Wescoe, Craig (1875) | Lost 1-2 | -141639 |
| 13legacy | 2063 | Loysen, Lucas (1611) | Won 2-0 | +171656 |
| 14legacy | 2036 | Zakrzewski, Sam (1869) | Won 2-1 | +221678 |
| 15legacy | 2029 | Chitturi, Ashok (1759) | Won 2-0 | +201698 |
| top | average opponent: 1772record: 11-4 | new rating: 1698 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 232 | Pike, Chris (1393) | Won 2-0 | +161516 |
| 2legacy | 310 | Cockrell, Joseph (1517) | Won 2-0 | +181534 |
| 3legacy | 140 | Chau, Wilkin (1705) | Lost 1-2 | -151519 |
| 4legacy | 361 | Giles, Devon (1548) | Won 2-0 | +191538 |
| 5legacy | 183 | Ritner, Ronnie (1933) | Lost 1-2 | -111527 |
| 6legacy | 374 | Cassidy, Joseph (1460) | Won 2-0 | +161543 |
| 7legacy | 276 | Jaeger, Neal (1508) | Won 2-1 | +181561 |
| 8legacy | 251 | Sheets, Brian (1623) | Lost 0-2 | -171544 |
| 9legacy | 247 | Jansen, Adam (1827) | Lost 1-2 | -131531 |
| top | average opponent: 1613record: 5-4 | new rating: 1531 | ||