Maahs, Karl
Current rating: 1414
Record: 33-45
Grand Prix San Antonio 2012Grand Prix Denver 2013Grand Prix Las Vegas 2013Grand Prix Phoenix 2014Grand Prix San Antonio 2014Grand Prix Miami 2015Grand Prix Las Vegas 2015 (2)Grand Prix Houston 2016Grand Prix Oklahoma City 2017Grand Prix Houston 2018Grand Prix Las Vegas 2018 (modern)Grand Prix Austin 2020MagicCon Las Vegas 2023 Limited Open
| MagicCon Las Vegas 2023 Limited Open (WOE limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3508 | Smith, Ryne (1500) | Lost 0-2 | -161405 |
| 2sealed | 3473 | Fuller, Ben [USA] (1517) | Won 2-0 | +201425 |
| 3sealed | 3373 | Qadi, Mohamad (1836) | Lost 0-2 | -111414 |
| top | average opponent: 1618record: 1-2 | new rating: 1414 | ||
| Grand Prix Austin 2020 (modern) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 59 | Woody, J.D. (1357) | Won 2-0 | +171427 |
| 2modern | 147 | Clark, Austin (1677) | Lost 1-2 | -131414 |
| 3modern | 228 | Peng, Jingcheng (1500) | Lost 1-2 | -171397 |
| 4modern | 284 | Matlak, Abraham (1482) | Won 2-0 | +201417 |
| 5modern | 291 | Kratkiewicz, Nick (1498) | Won 2-0 | +191436 |
| 6modern | 221 | Anciso, Shane (1587) | Lost 1-2 | -151421 |
| top | average opponent: 1517record: 3-3 | new rating: 1421 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 502 | Stano, Tracy (1428) | Won 2-1 | +181461 |
| 3modern | 505 | Flinn, Ian (1340) | Lost 0-2 | -201441 |
| 4modern | 322 | Baker, Thomas D (1692) | Lost 0-2 | -141427 |
| 5modern | 575 | White, Alice (1499) | Lost 1-2 | -171410 |
| top | average opponent: 1490record: 1-3 | new rating: 1410 | ||
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Parker, Jack (1411) | Lost 0-2 | -191441 |
| 2sealed | 237 | Stevens, Michael (1519) | Won 2-1 | +191460 |
| 3sealed | 304 | Maya, Demian (1500) | Lost 0-2 | -171443 |
| top | average opponent: 1477record: 1-2 | new rating: 1443 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 185 | Groves, McKinley (1512) | Won 2-0 | +201430 |
| 2modern | 255 | Cantergiani, Kade (1545) | Lost 1-2 | -161414 |
| 3modern | 370 | Alford, Gerrick (1500) | Lost 0-2 | -161398 |
| 4modern | 440 | Hamilton, Roger (1479) | Lost 0-2 | -171381 |
| 5modern | 581 | Davis, Joshua (1527) | Won 2-1 | +211402 |
| 6modern | 531 | Ballay, Chad (1398) | Won 2-0 | +181420 |
| 7modern | 332 | Kimmel, Luke (1486) | Won 2-0 | +191439 |
| 8modern | 298 | King, Daniel (1546) | Won 2-1 | +201459 |
| 9modern | 270 | Scarborough, Austin (1629) | Won 2-1 | +211480 |
| 10modern | 164 | Ashcraft, David (1444) | Won 2-0 | +171497 |
| 11modern | 92 | Kim, John [USA] (1630) | Lost 0-2 | -151482 |
| 12modern | 101 | Garcia, Ruben Tadeo (1596) | Won 2-1 | +201502 |
| 13modern | 114 | Nagro, Jacob (2055) | Lost 0-2 | -91493 |
| 14modern | 107 | Scott, Joshua (1552) | Lost 0-2 | -171476 |
| 15modern | 128 | Million, Brent (1564) | Lost 1-2 | -161460 |
| top | average opponent: 1564record: 8-7 | new rating: 1460 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 29 | Christie, Simon (1579) | Won 2-1 | +211445 |
| 3standard | 196 | Edwards, Craig (1826) | Won 2-0 | +241469 |
| 4standard | 166 | Soorani, Shaheen (1883) | Lost 0-2 | -111458 |
| 5standard | 146 | Sanchez, Edgar (1583) | Lost 0-2 | -151443 |
| 6standard | 446 | Nguyen, David M (1573) | Lost 1-2 | -161427 |
| 7standard | 499 | Xu, Cody (1508) | Lost 1-2 | -171410 |
| top | average opponent: 1659record: 2-4 | new rating: 1410 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1363 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 67 | Pena, Jason (1409) | Lost 0-2 | -171346 |
| 3sealed | 233 | Ward, Justin (1500) | Won 2-1 | +211367 |
| 4sealed | 155 | Guevarra, Nicolo (1715) | Won 2-1 | +241391 |
| 5sealed | 75 | Hathaway, Clay (1461) | Won 2-1 | +191410 |
| 6sealed | 68 | Watkins, Steven (1657) | Won 2-1 | +231433 |
| 7sealed | 16 | Bauer, John (1573) | Won 2-0 | +201453 |
| 8sealed | 17 | Wohns, Dan (1692) | Lost 0-2 | -141439 |
| 9sealed | 33 | Nghiem, Keane (1565) | Lost 0-2 | -151424 |
| top | average opponent: 1571record: 5-3 | new rating: 1424 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Rodriguez, Jonathan (1467) | Won 2-0 | +201390 |
| 2standard | 38 | Malisiak, Ryne (1512) | Won 2-0 | +201410 |
| 3standard | 105 | Byrd, Kalab (1549) | Lost 0-2 | -151395 |
| 4standard | 400 | Roger, Philippe (1529) | Lost 0-2 | -161379 |
| 5standard | 454 | Odenheimer, Nicholas (1498) | Lost 0-2 | -161363 |
| top | average opponent: 1511record: 2-3 | new rating: 1363 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1395 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 129 | Mora, Jonathan (1500) | Won 2-1 | +201415 |
| 2standard | 210 | Saaredra Jr, Emiliano (1518) | Won 2-0 | +201435 |
| 3standard | 52 | Solis, Juan (1487) | Lost 0-2 | -171418 |
| 4standard | 260 | Ho, Fang (1668) | Lost 0-2 | -141404 |
| 5standard | 329 | Dearing, Christopher (1422) | Lost 0-2 | -181386 |
| 6standard | 368 | Getreu, Daniel (1483) | Lost 0-2 | -161370 |
| top | average opponent: 1513record: 2-4 | new rating: 1370 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Conley, Christopher 623 (1500) | Won 2-1 | +191464 |
| 2standard | 142 | Van Druten, John (1476) | Lost 1-2 | -181446 |
| 3standard | 289 | Fraser, Zach (1482) | Lost 0-2 | -171429 |
| 4standard | 527 | Wilson, Alexander (1482) | Lost 1-2 | -171412 |
| 5standard | 578 | Jimenez, Daniel (1463) | Lost 0-2 | -171395 |
| top | average opponent: 1481record: 1-4 | new rating: 1395 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1601 | J.., Charles (1500) | Won 2-1 | +191482 |
| 2sealed | 1485 | Hacault, Robert G (1519) | Lost 0-2 | -181464 |
| 3sealed | 1552 | Machingo, Christopher (1399) | Lost 0-2 | -191445 |
| top | average opponent: 1473record: 1-2 | new rating: 1445 | ||
| Grand Prix Denver 2013 (legacy) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 56 | Tieman, Alexander S (1500) | Lost 1-2 | -181481 |
| 2legacy | 215 | Rider, Brian (1485) | Lost 0-2 | -181463 |
| 3legacy | 263 | Walter, Ryan (1395) | Won 2-0 | +171480 |
| 4legacy | 259 | Johnston, Brett (1518) | Won 2-1 | +181498 |
| 5legacy | 256 | Guyette, Brandon (1440) | Won 2-0 | +171515 |
| 6legacy | 154 | Willmon, Gabriel (1599) | Lost 1-2 | -161499 |
| 7legacy | 181 | Gaudio, Aaron (1502) | Lost 0-2 | -181481 |
| 8legacy | 180 | Klein, Andrew (1483) | Lost 0-2 | -181463 |
| top | average opponent: 1490record: 3-5 | new rating: 1463 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 276 | Bryan, Trevor (1500) | Won 2-0 | +181518 |
| 2standard | 85 | Graves, Josh (1443) | Lost 1-2 | -191499 |
| 3standard | 250 | Costa-Giomi, Gabriel (1500) | Lost 1-2 | -181481 |
| 4standard | 264 | Poravato, Frankie (1483) | Won 2-1 | +181499 |
| 5standard | 253 | Bollinger, Tyson (1501) | Won 2-0 | +181517 |
| 6standard | 122 | Alawar, Ryan (1515) | Lost 1-2 | -181499 |
| top | average opponent: 1491record: 3-3 | new rating: 1499 | ||