Siejko, Skyyler
Current rating: 1450
Record: 8-12
| Grand Prix Oakland 2019 (modern) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 49 | Heins, Adam (1616) | Lost 0-2 | -151424 |
| 2modern | 392 | Bacher, Isaac (1620) | Lost 1-2 | -141410 |
| 3modern | 482 | Go, Tamon (1499) | Won 2-0 | +191429 |
| 4modern | 442 | Akright, Trevor (1413) | Won 2-0 | +181447 |
| 5modern | 282 | Edmonds, Jordan (1502) | Won 2-1 | +191466 |
| 6modern | 167 | Adams, Shawn (1585) | Lost 0-2 | -161450 |
| top | average opponent: 1539record: 3-3 | new rating: 1450 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 256 | Pare, Jean-Michel (1945) | Won 2-1 | +271450 |
| 2sealed | 13 | Eccleston, Javier (1584) | Lost 0-2 | -151435 |
| 3sealed | 541 | Kozak, Erich (1468) | Won 2-1 | +181453 |
| 4sealed | 328 | Moore, Jacob (1515) | Lost 1-2 | -171436 |
| 5sealed | 510 | Williams, Wyatt (1524) | Won 2-0 | +201456 |
| 6sealed | 500 | Ryan, Kenzie (1507) | Lost 0-2 | -171439 |
| top | average opponent: 1591record: 3-3 | new rating: 1439 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 671 | Mroz, Corey (1446) | Lost 1-2 | -191462 |
| 2modern | 901 | Avelar, Edwin (1409) | Won 2-1 | +181480 |
| 3modern | 1003 | Berlinrut, Gregory (1540) | Lost 0-2 | -171463 |
| 4modern | 1285 | Demute, Mike (1368) | Lost 1-2 | -201443 |
| 5modern | 1282 | Collins, Randall (1361) | Lost 1-2 | -201423 |
| top | average opponent: 1425record: 1-4 | new rating: 1423 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Baclig, Antonio (1500) | Lost 0-2 | -181482 |
| 2sealed | 531 | Carroll, Brandon (1431) | Won 2-0 | +171499 |
| 3sealed | 474 | Atkin, Michael (1501) | Lost 0-2 | -181481 |
| top | average opponent: 1477record: 1-2 | new rating: 1481 | ||