Horn, Karl
Current rating: 1578
Record: 34-26 (GP) / 2-8 (professional)
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 980 | Hathaway, Miranda (1500) | Lost 0-2 | -201587 |
| 2sealed | 1034 | Riches, Michael (1483) | Won 2-0 | +161603 |
| 3sealed | 959 | Mays, Brannon (1470) | Lost 0-2 | -211582 |
| 4sealed | 1145 | Lefler, Kai (1476) | Won 2-0 | +161598 |
| 5sealed | 1034 | Feil, Derek (1689) | Lost 0-2 | -161582 |
| 6sealed | 1052 | Bowling, Scott (1470) | Won 2-1 | +161598 |
| 7sealed | 976 | Berryhill, Ellison (1431) | Won 2-1 | +151613 |
| 8sealed | 849 | Jones, Samuel (1506) | Lost 1-2 | -201593 |
| 9sealed | 882 | Troha, Dan (1761) | Lost 0-2 | -151578 |
| top | average opponent: 1532record: 4-5 | new rating: 1578 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 700 | Ceresani, Dominic (1669) | Won 2-1 | +201578 |
| 2sealed | 276 | Crouse, Sean (1524) | Won 2-0 | +171595 |
| 3sealed | 5 | Smith, Joe (1554) | Won 2-1 | +171612 |
| 4sealed | 180 | Briggs, Ryan (1553) | Won 2-0 | +171629 |
| 5sealed | 58 | Brewster, John (1513) | Won 2-1 | +161645 |
| 6sealed | 2 | Gulledge, Nicholas (1546) | Won 2-1 | +161661 |
| 7sealed | 21 | Cocchiarella, Sam (1713) | Lost 0-2 | -171644 |
| 8sealed | 61 | Wibel, Shane (1635) | Lost 1-2 | -181626 |
| 9sealed | 116 | McCoy, David (1539) | Lost 1-2 | -191607 |
| top | average opponent: 1583record: 6-3 | new rating: 1607 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 223 | Gee, Christopher (1500) | Won 2-1 | +161644 |
| 2standard | 84 | Farley, Brent (1515) | Won 2-1 | +151659 |
| 3standard | 147 | Knoll, Katelyn (1455) | Lost 1-2 | -211638 |
| 4standard | 285 | Silberman, Philip (1628) | Lost 1-2 | -191619 |
| 5standard | 316 | Hoogeveen, Kyle (1475) | Lost 0-2 | -201599 |
| 6standard | 371 | White, Andru (1487) | Lost 0-2 | -201579 |
| 7standard | 344 | Connelly, Sebastian (1467) | Won 2-0 | +161595 |
| 8standard | 252 | Wise, Jacob (1564) | Lost 0-2 | -191576 |
| 9standard | 218 | Schafer, Gregory (1571) | Lost 0-0 | -181558 |
| top | average opponent: 1518record: 3-6 | new rating: 1558 | ||
| Pro Tour San Diego 2004 (DST draft) | starting rating: 1685 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 79 | Frazier, Matthew (1650) | Lost 1-2 | -191666 |
| 2draft | 95 | Jensen, William (1647) | Lost 1-2 | -181648 |
| 3draft | 134 | Conway, Douglas (1628) | Won 2-0 | +171665 |
| 4draft | 9 | Soum, Julien (1593) | Lost 1-2 | -191646 |
| 5draft | 55 | Persson, Andreas (1640) | Lost 0-2 | -181628 |
| top | average opponent: 1631record: 1-4 | new rating: 1628 | ||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2 | Howell, Damon (1484) | Won 2-0 | +171545 |
| 4sealed | 17 | Herkner, Chris (1549) | Won 2-0 | +181563 |
| 5sealed | 33 | Jacob, Michael (1511) | Won 2-0 | +171580 |
| 6sealed | 20 | Krouner, Ken (1816) | Won 2-1 | +221602 |
| 7sealed | 12 | Lipczynski, Aaron (1632) | Lost 0-2 | -171585 |
| 8sealed | 11 | Smith, JB (1600) | Won 2-0 | +181603 |
| 9sealed | 8 | Sonne, Jonathan (1871) | Won 2-0 | +231626 |
| 10draft | 11 | Wagener, Joshua (1818) | Won 2-1 | +211647 |
| 11draft | 3 | Rubin, Benjamin (2050) | Won 2-0 | +251672 |
| 12draft | 1 | Stavola, Kate (1696) | Lost 0-2 | -171655 |
| 13draft | 7 | Kibler, Brian (1950) | Lost 0-2 | -131642 |
| 14draft | 15 | Martin, Sean (1654) | Won 2-1 | +181660 |
| 15draft | 8 | Rubin, Benjamin (2027) | Won 2-1 | +251685 |
| top | average opponent: 1743record: 10-3 | new rating: 1685 | ||
| Grand Prix Cleveland 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 22 | Dulin, Kevin (1558) | Won 2-1 | +191519 |
| 5block | 11 | Williams, David A (1946) | Lost 1-2 | -101509 |
| 6block | 28 | Conrad, Michael (1559) | Won 2-0 | +181527 |
| 7block | 43 | Tice, Doug (1689) | Lost 0-2 | -151512 |
| 8block | 49 | Krempels, Craig (1592) | Won 2-0 | +201532 |
| 9block | 32 | Rubin, Matthew (1817) | Lost 1-2 | -131519 |
| 10block | 31 | Miller, Brandon (1548) | Lost 1-2 | -181501 |
| 12block | 28 | Irvine, David (1450) | Won 2-1 | +171518 |
| 13block | 22 | Bernat, Michael (1695) | Won 2-1 | +221540 |
| 14block | 17 | Jensen, William (1888) | Lost 0-2 | -121528 |
| top | average opponent: 1674record: 5-5 | new rating: 1528 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1 | Bonham, Andrew (1518) | Won 2-0 | +191471 |
| 4sealed | 12 | Pisco, Rich (1554) | Won 2-1 | +191490 |
| 5sealed | 2 | Boneau, Rick (1607) | Lost 1-2 | -161474 |
| 6sealed | 69 | Krakower, Gary (1752) | Lost 1-2 | -131461 |
| 7sealed | 78 | Jackson, Shawn T (1539) | Won 2-1 | +201481 |
| 8sealed | 70 | Strasser, Dustin (1555) | Won 2-0 | +191500 |
| top | average opponent: 1588record: 4-2 | new rating: 1500 | ||
| Pro Tour Chicago 2000 (INV standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | El Kosht, Shahriar (1465) | Lost 0-2 | -191486 |
| 2standard | 126 | Jensen, Cory (1529) | Lost 1-2 | -171469 |
| 3standard | 135 | Horemans, Michiel (1581) | Won 2-1 | +201489 |
| 4standard | 128 | Kriegsbaum, Michael (1433) | Lost 1-2 | -191470 |
| 5standard | 123 | Lehoux, Sylvain (1464) | Lost 1-2 | -181452 |
| top | average opponent: 1494record: 1-4 | new rating: 1452 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 25 | Johnson, Patrick (1536) | Lost 0-0 | -171483 |
| 5sealed | 64 | Chiumento, Michael (1525) | Won 0-0 | +181501 |
| 6sealed | 34 | Gallitz, Donald (1628) | Lost 0-0 | -151486 |
| 7sealed | 63 | O'Brien, Bill (1534) | Won 0-0 | +191505 |
| top | average opponent: 1556record: 2-2 | new rating: 1505 | ||