Mangold, Andy
Current rating: 1504
Record: 8-9
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Hudak, Peter (1452) | Won 2-1 | +181469 |
| 2sealed | 191 | Izsak, Llanie (1809) | Lost 0-0 | -121457 |
| 3sealed | 348 | Shpirt, Michael (1500) | Lost 0-2 | -181439 |
| 4sealed | 475 | Norci, Chris (1479) | Won 2-0 | +191458 |
| 5sealed | 343 | Grayson, Shane (1516) | Lost 1-2 | -171441 |
| 6sealed | 337 | Booker, Joseph (1452) | Won 2-0 | +181459 |
| 7sealed | 265 | Krempels, Craig (1929) | Won 2-0 | +261485 |
| 8sealed | 187 | Yezman, Ryan (1517) | Won 2-0 | +191504 |
| average opponent: 1582record: 5-3 | new rating: 1504 | |||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Leeds, Jon (1500) | Won 2-1 | +181518 |
| 2sealed | 206 | Ankney, Brian (1516) | Won 2-1 | +181536 |
| 3sealed | 350 | Kassis, Eli (2011) | Lost 0-2 | -101526 |
| 4sealed | 427 | Heakins, Jason (1462) | Won 2-1 | +171543 |
| 5sealed | 123 | Olsen, Ean (1500) | Lost 0-2 | -191524 |
| 6sealed | 311 | Thompson, Robert (1387) | Lost 1-2 | -201504 |
| 7sealed | 390 | Lewis, Donald (1520) | Lost 1-2 | -181486 |
| 8sealed | 462 | Lizzi, Adam (1560) | Lost 0-2 | -171469 |
| 9sealed | 429 | Stokes, Shane (1432) | Lost 0-2 | -181451 |
| average opponent: 1543record: 3-6 | new rating: 1451 | |||