Hallock, Jason
Current rating: 1442
Record: 27-34-2
| Grand Prix Reno 2020 (THB limited) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 137 | Hing, Chris (1444) | Won 2-0 | +191425 |
| 2sealed | 8 | Mohs, Alexander (1530) | Lost 1-2 | -161409 |
| 3sealed | 213 | Lewis VII, Earl (1552) | Won 2-0 | +201429 |
| 4sealed | 89 | Strader, Seth (1601) | Won 2-0 | +211450 |
| 5sealed | 118 | Minshall, Mark (1534) | Lost 0-2 | -161434 |
| 6sealed | 140 | Dawe, Loren (1690) | Won 2-0 | +231457 |
| 7sealed | 96 | McCabe, Johanna (1633) | Lost 1-2 | -151442 |
| top | average opponent: 1569record: 4-3 | new rating: 1442 | ||
| Grand Prix Phoenix 2019 (ELD limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Watson, Benjamin (1467) | Lost 0-2 | -171418 |
| 2sealed | 185 | Buntin, Tyler (1485) | Lost 0-2 | -171401 |
| 3sealed | 247 | Bilyeu, Stephen (1464) | Won 2-0 | +191420 |
| 4sealed | 222 | Staley, Anthony (1489) | Won 2-0 | +191439 |
| 5sealed | 178 | Rolfe-Maloney, Justin (1535) | Lost 1-2 | -161423 |
| 6sealed | 190 | Glassner, Jonathan (1482) | Lost 0-2 | -171406 |
| top | average opponent: 1487record: 2-4 | new rating: 1406 | ||
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1198 | Mosher, Jason (1451) | Won 2-1 | +181463 |
| 2sealed | 255 | Harrison, Jeffrey (1535) | Won 2-1 | +201483 |
| 3sealed | 1184 | Melone, Rudy (1488) | Lost 0-2 | -181465 |
| 4sealed | 291 | Lamp, Alexander (1569) | Lost 1-2 | -161449 |
| 5sealed | 421 | Walter, Royce (1701) | Lost 1-2 | -141435 |
| top | average opponent: 1549record: 2-3 | new rating: 1435 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 294 | Engelhard, Eric (1675) | Lost 0-2 | -151494 |
| A2sealed | 600 | Stone, Sara (1482) | Lost 1-2 | -181476 |
| A3sealed | 458 | Dean, Anthony (1463) | Lost 1-2 | -181458 |
| B1sealed | 275 | Sollows, Matt (1524) | Won 2-1 | +191477 |
| B2sealed | 414 | Wilson, Jim (1517) | Lost 0-2 | -181459 |
| B3sealed | 290 | Hernandez, Ruben (1367) | Won 2-0 | +171476 |
| B4sealed | 348 | Clay, Ellis (1767) | Lost 0-2 | -131463 |
| B5sealed | 311 | Merlin, Nicholas (1479) | Lost 0-2 | -181445 |
| top | average opponent: 1535record: 2-6 | new rating: 1445 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Reiser, Michael (1500) | Lost 0-2 | -181510 |
| 2sealed | 304 | Gaylord, Dwayne (1480) | Won 2-1 | +171527 |
| 3sealed | 458 | Lawless, Ed (1506) | Won 2-0 | +181545 |
| 4sealed | 347 | Conyers, Stephen (1502) | Lost 0-2 | -191526 |
| 5sealed | 450 | Wang, John (1569) | Lost 1-2 | -171509 |
| top | average opponent: 1511record: 2-3 | new rating: 1509 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 315 | Casby, Christopher (1528) | Lost 0-2 | -191549 |
| 2sealed | 1352 | Cowan, Dennis (1414) | Lost 0-2 | -211528 |
| top | average opponent: 1471record: 0-2 | new rating: 1528 | ||
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Zureick-Brown, David (1545) | Won 2-0 | +171609 |
| 2sealed | 87 | Jackson, Mike (1414) | Won 2-0 | +141623 |
| 3sealed | 34 | Portello, James (1482) | Lost 0-2 | -201603 |
| 4sealed | 185 | Engbrecht, Ryan (1569) | Lost 1-2 | -191584 |
| 5sealed | 327 | Frank, Andrew (1663) | Lost 0-2 | -161568 |
| top | average opponent: 1534record: 2-3 | new rating: 1568 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 701 | Music, Dennis (1500) | Won 2-0 | +191507 |
| 2sealed | 422 | Rand, Kevin (1634) | Won 2-0 | +201527 |
| 4sealed | 218 | Snyder, Michael (1853) | Lost 1-2 | -121515 |
| 5sealed | 341 | Slagel, Jack (1601) | Won 2-0 | +191534 |
| 6sealed | 95 | Saiyasely, Liking (1734) | Lost 1-2 | -141520 |
| 7sealed | 454 | McIsaac, Neil (1630) | Won 2-1 | +201540 |
| 8sealed | 138 | Simpson, Marshall (1499) | Won 2-0 | +171557 |
| 9sealed | 172 | Ostash, Keith (1749) | Lost 0-2 | -141543 |
| 10draft | 48 | Chaplin, Adam (1558) | Won 2-0 | +181561 |
| 11draft | 45 | Ferguson, Beau (1724) | Lost 0-2 | -151546 |
| 12draft | 39 | Burg, Steven (1603) | Lost 1-2 | -171529 |
| 13draft | 219 | Chung, Brian (1639) | Won 2-0 | +201549 |
| 14draft | 94 | Rigatti, Jamie (1520) | Won 2-0 | +171566 |
| 15draft | 122 | Yeem, Soohwang (1995) | Won 2-1 | +261592 |
| top | average opponent: 1660record: 9-5 | new rating: 1592 | ||
| Grand Prix Albuquerque 2016 (SOI limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Davalos, Dante (1681) | Won 2-1 | +221467 |
| 2sealed | 129 | Montoya, Raymond (1518) | Draw 1-1 | +11468 |
| 3sealed | 280 | Pelton, Trevor (1522) | Lost 0-2 | -171451 |
| 4sealed | 408 | Lewis, Scott (1450) | Won 2-0 | +181469 |
| 5sealed | 280 | Seefeld, Keith (1453) | Won 2-0 | +181487 |
| 6sealed | 178 | Lewis, Kaitu (1542) | Won 2-1 | +191506 |
| 7sealed | 105 | Jukes, Will (1468) | Draw 1-1 | -11505 |
| 8sealed | 175 | Liese, Tyson (1577) | Lost 1-2 | -171488 |
| top | average opponent: 1526record: 4-2-2 | new rating: 1488 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | Broberg, Evan (1500) | Lost 0-2 | -181482 |
| 2sealed | 359 | Smith, Dillon (1465) | Lost 1-2 | -181464 |
| 3sealed | 469 | Avilla, Anthony (1428) | Lost 0-2 | -191445 |
| top | average opponent: 1464record: 0-3 | new rating: 1445 | ||