Horn, Alex
Current rating: 1578
Record: 15-13
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 320 | Stroh, Brian (1682) | Won 2-0 | +211508 |
| 2sealed | 38 | Favretto, Carlo (1546) | Won 0-0 | +191527 |
| 3sealed | 5 | Goble, Robert (1518) | Won 2-0 | +181545 |
| 4sealed | 101 | Sukenik, Jonathan (2115) | Lost 1-2 | -91536 |
| 5sealed | 133 | Lau, Alexander (1564) | Won 2-0 | +191555 |
| 6sealed | 53 | Pimm, Douglas (1626) | Won 2-1 | +191574 |
| 7sealed | 82 | Klein, Joshua (1547) | Lost 1-2 | -191555 |
| 8sealed | 142 | Duval, Dylan (1776) | Won 2-0 | +221577 |
| 9sealed | 70 | Tsang, Gabriel (1967) | Won 2-1 | +251602 |
| 10draft | 63 | Pearlman, Steven (1589) | Lost 0-2 | -181584 |
| 11draft | 14 | Linde, Matt (1851) | Lost 0-2 | -131571 |
| 12draft | 56 | Blank, Jonathan (1671) | Won 2-1 | +201591 |
| 13draft | 39 | Walters, William (1513) | Won 2-1 | +161607 |
| 14draft | 41 | Rubin, Jonathan (1743) | Lost 1-2 | -151592 |
| 15draft | 32 | Mitchell, Zane (1856) | Lost 1-2 | -141578 |
| top | average opponent: 1704record: 9-6 | new rating: 1578 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Zobian, John (1722) | Won 2-0 | +231503 |
| 2sealed | 90 | Flynn, Patrick (1595) | Won 2-0 | +191522 |
| 3sealed | 11 | Berger, Maximilien (1462) | Won 2-0 | +171539 |
| 4sealed | 118 | Fitterling, Stanley (1564) | Lost 0-2 | -171522 |
| 5sealed | 130 | Patel, Hemant (1553) | Lost 0-2 | -181504 |
| 6sealed | 338 | Burch, Hal (1526) | Lost 0-2 | -171487 |
| top | average opponent: 1570record: 3-3 | new rating: 1487 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1166 | Bower, Richard (1426) | Lost 0-2 | -201480 |
| top | record: 0-1 | new rating: 1480 | ||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 53 | Bean, Joshua (1500) | Lost 1-2 | -181482 |
| 2extended | 184 | Bates, John (1487) | Won 2-0 | +181500 |
| 3extended | 188 | Blankenship, Blake M (1499) | Won 2-0 | +181518 |
| 4extended | 171 | Becker, Shawn (1518) | Lost 0-2 | -181500 |
| 5extended | 227 | Shrout, Andrew (1490) | Won 2-1 | +181518 |
| 6extended | 133 | Metzger, Jonathan (1511) | Lost 0-2 | -181500 |
| top | average opponent: 1501record: 3-3 | new rating: 1500 | ||