Kumpula, Dan
Current rating: 1562
| Grand Prix Calgary 2019 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 211 | Clark, Ben (1422) | Lost 1-2 | -201513 |
| 2modern | 390 | Bird, Graham [CAN] (1483) | Won 2-1 | +171530 |
| 3modern | 238 | Halladay, Kevin (1500) | Won 2-0 | +181548 |
| 4modern | 108 | Ervin, Michael (1530) | Won 2-1 | +171565 |
| 5modern | 118 | Kelly, Mathew (1449) | Lost 1-2 | -201545 |
| 6modern | 243 | Dymock, Craig (1517) | Won 2-1 | +181563 |
| 7modern | 89 | Jones, Devin (1534) | Won 2-1 | +171580 |
| 8modern | 102 | Saruga, Joshua (1547) | Lost 0-2 | -181562 |
| top | average opponent: 1498record: 5-3 | new rating: 1562 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 139 | Washington, John (1445) | Won 2-0 | +171543 |
| 2sealed | 94 | Wang, Haotian (1615) | Won 2-0 | +191562 |
| 3sealed | 108 | Gottlieb, Bryan (1755) | Lost 0-2 | -141548 |
| 4sealed | 189 | Popoff, Evan (1769) | Lost 1-2 | -141534 |
| 5sealed | 253 | Brandow, Sean (1519) | Won 2-0 | +171551 |
| 6sealed | 150 | Schriebman, Robin (1522) | Lost 0-2 | -181533 |
| top | average opponent: 1604record: 3-3 | new rating: 1533 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 412 | Barrera, Alexis (1482) | Won 2-0 | +181518 |
| 2modern | 29 | Smith, Zachary (1575) | Won 2-1 | +191537 |
| 3modern | 1302 | Murase, Hiroshi (1783) | Lost 1-2 | -141523 |
| 4modern | 416 | Fellman, Sean (1749) | Lost 1-2 | -141509 |
| 5modern | 745 | Simmons, Logan (1444) | Won 2-1 | +171526 |
| 6modern | 468 | Otteson, James (1502) | Won 2-0 | +181544 |
| 7modern | 419 | Beg, Zaiem (1588) | Lost 1-2 | -181526 |
| top | average opponent: 1589record: 4-3 | new rating: 1526 | ||