Munden, Derek
Current rating: 1532
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 279 | Xu, Jake (1611) | Lost 1-2 | -161475 |
| 2modern | 353 | Wells, Nathan (1482) | Won 2-0 | +181493 |
| 3modern | 364 | Dietsch, Christian (1499) | Won 2-0 | +181511 |
| 4modern | 196 | Wesley, Alan (1472) | Won 2-1 | +171528 |
| 5modern | 185 | Zuckerman, Mickey (1536) | Lost 0-2 | -171511 |
| 6modern | 259 | Parshall, Rodney (1578) | Won 2-1 | +191530 |
| 7modern | 157 | Hergert, Jaren (1534) | Won 2-1 | +181548 |
| 8modern | 48 | Hart, Kieth (1691) | Lost 0-2 | -161532 |
| top | average opponent: 1551record: 5-3 | new rating: 1532 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 97 | Christensen, Oscar (1941) | Lost 1-2 | -111515 |
| 4sealed | 280 | Aten, Timothy (1923) | Lost 1-2 | -101505 |
| 5sealed | 418 | Miller, Sean (1739) | Lost 0-2 | -141491 |
| top | average opponent: 1868record: 0-3 | new rating: 1491 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 236 | DeMars, Brian (1546) | Lost 0-2 | -171483 |
| 3sealed | 410 | Ewer, Todd A (1500) | Won 2-0 | +181501 |
| 4sealed | 318 | Hayes, David (1574) | Won 2-1 | +191520 |
| 5sealed | 110 | Stamness, Matthew (1491) | Won 2-0 | +181538 |
| 6sealed | 109 | Kermath, Sean (1554) | Won 2-1 | +181556 |
| 7sealed | 52 | Barnett, Jason (1576) | Lost 0-2 | -171539 |
| 8sealed | 72 | Silbernick, Josh (1595) | Won 2-0 | +191558 |
| 9sealed | 96 | Juni, Jonathan (1580) | Won 2-0 | +181576 |
| 10draft | 62 | Law, Alvin (1594) | Lost 1-2 | -181558 |
| 11draft | 1 | Barnett, Jason (1579) | Lost 0-2 | -171541 |
| 12draft | 62 | Pieper, Charles (1543) | Lost 0-2 | -181523 |
| 14draft | 44 | Marin, Julian (1541) | Won 2-0 | +181541 |
| 15draft | 8 | Piazza, Brett (1720) | Lost 0-2 | -151526 |
| top | average opponent: 1569record: 7-6 | new rating: 1526 | ||