Grunden, Jason
Current rating: 1450
Record: 16-20
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2109 | Skaggs, Shawn (1502) | Lost 0-2 | -181480 |
| 2modern | 866 | Tomsovic, Tommy (1738) | Won 2-1 | +231503 |
| 3modern | 993 | Harabas, Chris (1626) | Lost 0-2 | -161487 |
| 4modern | 1286 | Haughey, Colin (1581) | Lost 0-2 | -171470 |
| 5modern | 1349 | Kauffman, Jordan (1327) | Lost 1-2 | -201450 |
| top | average opponent: 1555record: 1-4 | new rating: 1450 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Huerlimann, Marc (1500) | Won 2-0 | +181528 |
| 2sealed | 491 | Son, Tony (1615) | Lost 0-2 | -161512 |
| 3sealed | 638 | Tafoya, Jacob (1534) | Won 2-1 | +181530 |
| 4sealed | 424 | Sulak, Andrew (1728) | Won 2-0 | +221552 |
| 5sealed | 499 | Bomia, Justin (1548) | Lost 0-2 | -181534 |
| 6sealed | 375 | Skonnord, Ryan (1463) | Lost 0-2 | -201514 |
| 7sealed | 591 | Edelman, Charles (1604) | Lost 1-2 | -161498 |
| top | average opponent: 1570record: 3-4 | new rating: 1498 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 378 | Leete, Aaron (1490) | Lost 0-2 | -181515 |
| 2legacy | 707 | Henry, Cameron (1311) | Lost 0-2 | -221493 |
| 3legacy | 1034 | Liu, Alex [USA] (1428) | Lost 1-2 | -191474 |
| 4legacy | 1110 | Ip, Brian (1448) | Won 2-1 | +171491 |
| 5legacy | 1031 | Bailey, A.J. (1571) | Won 2-0 | +201511 |
| 6legacy | 2159 | Dietrich, Brian (1486) | Lost 0-2 | -191492 |
| 7legacy | 839 | Hayes, Brook (1483) | Won 2-0 | +181510 |
| top | average opponent: 1460record: 3-4 | new rating: 1510 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 291 | Dixon, Edward (1538) | Won 2-0 | +191503 |
| 4sealed | 190 | Ruckman, Zackary (1518) | Lost 1-2 | -181485 |
| 5sealed | 253 | Todd, Jameson A (1465) | Won 2-1 | +181503 |
| 6sealed | 182 | Tidwell, Brian (1547) | Lost 1-2 | -171486 |
| 7sealed | 313 | Cheng, Timothy (1576) | Won 2-0 | +191505 |
| 8sealed | 230 | Emlee, Alex (1554) | Won 2-1 | +191524 |
| 9sealed | 134 | Riley, Jordan (1648) | Won 2-0 | +201544 |
| 10draft | 3 | Klein, Jeremy (1556) | Lost 1-2 | -171527 |
| 12draft | 53 | Murley, Victor B (1549) | Won 2-0 | +181545 |
| 13draft | 50 | Sondag, Brian (1718) | Lost 0-2 | -151530 |
| 14draft | 43 | Reasoner, Eric (1609) | Won 2-1 | +201550 |
| 15draft | 37 | Gabbert, Charles (1651) | Lost 0-2 | -171533 |
| top | average opponent: 1577record: 7-5 | new rating: 1533 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1341 | Van der Star, Alex (1607) | Lost 0-2 | -161484 |
| 2sealed | 1686 | Galicinao, Joshua (1482) | Won 2-0 | +181502 |
| 3sealed | 1689 | Huffaker, Andrew (1531) | Lost 0-2 | -181484 |
| 4sealed | 1634 | Zambrano, Gerardo (1470) | Won 2-0 | +181502 |
| 5sealed | 1395 | Wolfmeier, Gary (1490) | Lost 0-2 | -181484 |
| top | average opponent: 1516record: 2-3 | new rating: 1484 | ||