Althiser, Matthan
Current rating: 1653
Record: 29-21 (GP) / 7-9 (professional)
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 257 | Schaefer, Daniel (1731) | Won 2-1 | +201647 |
| 2modern | 202 | Johnson, Aidan (1518) | Won 2-1 | +161663 |
| 3modern | 85 | Margolis, Max (1671) | Lost 1-2 | -181645 |
| 4modern | 145 | Williams, Anthony (1561) | Won 2-0 | +161661 |
| 5modern | 117 | Cummings, Zack (1534) | Lost 1-2 | -201641 |
| 6modern | 149 | Edelbrock, Kyle (1528) | Won 2-1 | +161657 |
| 7modern | 190 | Carroll, Nick (1562) | Won 2-0 | +161673 |
| 8modern | 80 | Neudecker, Ian (1574) | Lost 0-2 | -201653 |
| top | average opponent: 1585record: 5-3 | new rating: 1653 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1674 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Yang, Jay (1496) | Won 2-0 | +141688 |
| 2sealed | 227 | Culbert, Samuel (1555) | Lost 0-2 | -201668 |
| 3sealed | 447 | Williams, Trent (1501) | Lost 0-2 | -211647 |
| 4sealed | 546 | Boyd, Khaatim (1547) | Lost 0-2 | -201627 |
| top | average opponent: 1525record: 1-3 | new rating: 1627 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 354 | Tusler, Jacob (1518) | Lost 1-2 | -201623 |
| 2standard | 311 | Perez, Benjamen (1481) | Won 2-1 | +151638 |
| 3standard | 431 | Harms, Kyle (1592) | Won 2-0 | +171655 |
| 4standard | 211 | Walters, Connor (1518) | Won 2-0 | +161671 |
| 5standard | 121 | Kizuka, Jeremy (1415) | Lost 1-2 | -231648 |
| 6standard | 194 | Pospichal, Levi (1483) | Won 2-1 | +151663 |
| 7standard | 124 | Auxier, Bryan (1509) | Lost 1-2 | -211642 |
| 8standard | 187 | Gutesa, David (1679) | Won 2-1 | +191661 |
| 9standard | 178 | Cramer, Daniel (1542) | Won 2-1 | +161677 |
| 10standard | 541 | Hepola, Jon (1553) | Won 2-0 | +161693 |
| 11standard | 538 | Conway, Emmyra (1810) | Won 2-0 | +201713 |
| 12standard | 503 | Griffin, Jeb (1629) | Lost 0-2 | -201693 |
| 13standard | 518 | Schissel, Keenan (1606) | Lost 1-2 | -191674 |
| top | average opponent: 1564record: 8-5 | new rating: 1674 | ||
| Pro Tour Hour of Devastation (HOU standard) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 182 | Lipinski, Michal (1800) | Won 2-1 | +211622 |
| 2draft | 100 | Petre, Evan (1882) | Won 2-1 | +231645 |
| 3draft | 181 | Mihara, Makihito (2059) | Won 2-0 | +251670 |
| 4standard | 28 | Prost, Andrejs (2240) | Lost 1-2 | -81662 |
| 5standard | 22 | Wilson, Jacob (1977) | Lost 0-2 | -131649 |
| 6standard | 61 | Stok, Alex (1940) | Won 2-1 | +231672 |
| 7standard | 30 | Pozzo, Sebastian (2064) | Lost 0-2 | -111661 |
| 8standard | 78 | Levy, Raphael (2023) | Won 2-1 | +241685 |
| 9draft | 101 | Chin, Ricky (1907) | Lost 1-2 | -141671 |
| 10draft | 119 | Orange, Gregory (1952) | Lost 1-2 | -131658 |
| 11draft | 113 | Legendre, Nicolas (1867) | Lost 0-2 | -141644 |
| 12standard | 115 | Ksandr, Jan (1804) | Lost 1-2 | -151629 |
| 13standard | 128 | Pisano, Rob (1822) | Won 2-0 | +221651 |
| 14standard | 110 | Del Moral Leon, Antonio (1862) | Won 2-1 | +211672 |
| 15standard | 87 | Yu, Jarvis (1921) | Lost 1-2 | -131659 |
| 16standard | 101 | Auger, Maxime (1776) | Lost 0-2 | -161643 |
| top | average opponent: 1931record: 7-9 | new rating: 1643 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 438 | Robinson, Andrew [USA] (1500) | Lost 1-2 | -191522 |
| 2standard | 543 | Accobee, Darian (1482) | Won 2-1 | +171539 |
| 3standard | 550 | Gilbertson, Loren (1501) | Won 2-1 | +181557 |
| 4standard | 351 | Meirovitz, Colin (1517) | Won 2-0 | +171574 |
| 5standard | 184 | Reed, Randy (1557) | Lost 0-2 | -191555 |
| 6standard | 331 | Hermanson, Mike (1524) | Lost 0-2 | -181537 |
| 7standard | 448 | Price, Daniel (1500) | Won 2-0 | +171554 |
| 8standard | 366 | Santoro, Andrew (1520) | Won 2-1 | +181572 |
| 9standard | 262 | Sabotta, David (1540) | Won 2-0 | +171589 |
| 10standard | 178 | Nguyen, Tuan (1899) | Won 2-1 | +241613 |
| 11standard | 68 | Townsend, Erik (1640) | Won 2-0 | +181631 |
| 12standard | 52 | Tran, Viet (1729) | Lost 1-2 | -161615 |
| 13standard | 119 | Hallahan, Brian (1681) | Won 2-0 | +191634 |
| 14standard | 87 | Tenjum, Andrew (1855) | Lost 0-2 | -141620 |
| 15standard | 104 | Roman, Josh (1561) | Lost 0-2 | -191601 |
| top | average opponent: 1600record: 9-6 | new rating: 1601 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 70 | Paras, Nikolas (1465) | Lost 1-2 | -191481 |
| 2modern | 818 | Adams, Zally (1485) | Won 2-0 | +181499 |
| 3modern | 694 | Wilander, Ben (1500) | Lost 0-2 | -181481 |
| 4modern | 1065 | Siebert, Cody (1482) | Won 2-0 | +181499 |
| 5modern | 639 | Draves, Cody (1533) | Won 2-1 | +191518 |
| 6modern | 388 | Vasil, Jeremy (1580) | Won 2-0 | +191537 |
| 7modern | 250 | Shuler, Austin (1633) | Won 2-0 | +201557 |
| 8modern | 154 | Soi, Vivek (1694) | Lost 1-2 | -161541 |
| 9modern | 374 | Budop III, Richard (1495) | Won 2-1 | +181559 |
| 10modern | 280 | Cullum, Travis (1565) | Lost 0-2 | -181541 |
| top | average opponent: 1543record: 6-4 | new rating: 1541 | ||