Siedschlag, Cassandra
Current rating: 1335
Record: 19-30-1
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1383 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 297 | Martinez, Pablo (1499) | Lost 1-2 | -161367 |
| 3sealed | 388 | Banchero-Smith, Neil (1479) | Lost 0-2 | -161351 |
| 4sealed | 451 | Benchimol, Michael (1481) | Lost 0-2 | -161335 |
| top | average opponent: 1487record: 0-3 | new rating: 1335 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| A2sealed | 481 | Rautmann, Anthony (1516) | Lost 1-2 | -171462 |
| A3sealed | 350 | Meng, Eric (1909) | Lost 0-2 | -111451 |
| A4sealed | 333 | Luecke, Alex (1486) | Lost 0-2 | -171434 |
| B2sealed | 491 | Citron, Daniel (1499) | Lost 0-2 | -171417 |
| B3sealed | 322 | Philbrook, Christopher (1471) | Lost 1-2 | -171400 |
| B4sealed | 408 | Kenner, Rory (1445) | Lost 0-2 | -171383 |
| top | average opponent: 1554record: 0-6 | new rating: 1383 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 311 | Nielsen, Christopher (1505) | Lost 0-2 | -181480 |
| 2sealed | 328 | Taekema, Jordan (1537) | Lost 0-2 | -171463 |
| 3sealed | 369 | Witsoe, Cuinn (1446) | Won 2-0 | +181481 |
| 4sealed | 305 | Abounorinejad, Dara (1467) | Won 2-1 | +171498 |
| 5sealed | 206 | Kim, Will (1432) | Lost 0-2 | -191479 |
| top | average opponent: 1477record: 2-3 | new rating: 1479 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 247 | Birrell, Ian (1844) | Won 2-1 | +241552 |
| 4sealed | 124 | Henner, Aaron (1717) | Lost 0-2 | -151537 |
| 5sealed | 196 | Morphis, James (1612) | Lost 1-2 | -171520 |
| 6sealed | 255 | Wellenkamp, Blake (1299) | Lost 0-2 | -221498 |
| 7sealed | 288 | Lewis, Morgan (1502) | Won 2-1 | +181516 |
| 8sealed | 223 | Brockman, David Derek Scott (1482) | Lost 0-2 | -181498 |
| top | average opponent: 1576record: 2-4 | new rating: 1498 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 633 | Oliva, Geoffrey (1558) | Won 2-0 | +191531 |
| 2standard | 273 | Miller, Spencer (1544) | Lost 1-2 | -181513 |
| 3standard | 327 | Gadzinski, Grae (1524) | Lost 0-2 | -171496 |
| 4standard | 552 | Saleh, Jordan (1467) | Won 2-0 | +171513 |
| 5standard | 488 | Wilson, Erik (1492) | Lost 0-2 | -181495 |
| 6standard | 588 | Brauner, Daniel (1444) | Won 2-0 | +171512 |
| 7standard | 393 | Tryon, Eric (1500) | Won 2-0 | +181530 |
| 8standard | 342 | Lowe, Tony (1489) | Won 2-1 | +171547 |
| 9standard | 241 | Buaiz, Christopher (1514) | Lost 1-2 | -191528 |
| top | average opponent: 1504record: 5-4 | new rating: 1528 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 737 | Her, Christian (1500) | Lost 0-2 | -171469 |
| 2sealed | 600 | Duong, Michael (1499) | Lost 0-2 | -181451 |
| 3sealed | 1000 | Kennelly, Bryan (1464) | Won 2-1 | +181469 |
| 4sealed | 808 | Heath, John (1486) | Won 2-1 | +191488 |
| 5sealed | 743 | Bartley, Matthew (1771) | Lost 0-2 | -131475 |
| 6sealed | 726 | Espinosa, Carlos (1480) | Won 2-1 | +181493 |
| 7sealed | 597 | De Santis, Andrew (1502) | Won 2-1 | +181511 |
| 8sealed | 2139 | Rosin, Ivan (1456) | Won 2-1 | +171528 |
| 9sealed | 322 | Sato, Keisuke (1661) | Lost 1-2 | -161512 |
| top | average opponent: 1535record: 5-4 | new rating: 1512 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 667 | Price, Ian (1450) | Won 2-1 | +181481 |
| 2sealed | 130 | Dreysko, Mike (1468) | Draw 1-1 | 01481 |
| 3sealed | 346 | Powers, Nathan (1518) | Lost 0-0 | -171464 |
| 4sealed | 543 | Joyall, Vincent (1544) | Won 2-1 | +191483 |
| 5sealed | 370 | Pollock, Harris (1525) | Won 2-1 | +191502 |
| 6sealed | 241 | McLeod, James (1422) | Lost 0-2 | -201482 |
| 7sealed | 359 | Carico, John (1522) | Won 2-0 | +191501 |
| 8sealed | 245 | Forster, Daniel (1681) | Lost 1-2 | -151486 |
| top | average opponent: 1516record: 4-3-1 | new rating: 1486 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Raymond, Brent (1500) | Won 2-0 | +181518 |
| 2sealed | 157 | Claypool, Nathan (1518) | Lost 0-2 | -181500 |
| 3sealed | 273 | Duan, Johnny (1447) | Lost 0-2 | -191481 |
| 4sealed | 231 | Trojan, Jay (1498) | Lost 1-2 | -181463 |
| top | average opponent: 1491record: 1-3 | new rating: 1463 | ||