Ciurko, William
Current rating: 1427
Record: 12-19
| Regional Championships Edmonton 2023 (pioneer) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 18 | Ha, Chris (1641) | Won 2-0 | +221465 |
| 2pioneer | 17 | Buttazzoni, Mike (1488) | Won 2-0 | +181483 |
| 3pioneer | 3 | Baker, Sam [CAN] (1699) | Lost 1-2 | -141469 |
| 4pioneer | 18 | Hicks, Jason [CAN] (1486) | Won 2-1 | +181487 |
| 5pioneer | 18 | Potter, Jack (1644) | Lost 1-2 | -151472 |
| 6pioneer | 28 | Hui, Douglas (1599) | Lost 1-2 | -161456 |
| 7pioneer | 48 | MacDonald, Dan (1768) | Lost 0-1 | -121444 |
| 8pioneer | 57 | Kidston, Andrew (1482) | Lost 0-2 | -171427 |
| top | average opponent: 1601record: 3-5 | new rating: 1427 | ||
| Regional Championships Calgary 2022 (pioneer) | starting rating: 1425 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 52 | Martin, Bob (1624) | Won 2-0 | +221447 |
| 2pioneer | 57 | Aubin, Maxime (1799) | Lost 0-2 | -121435 |
| 3pioneer | 70 | Marshall, Levi (1400) | Won 2-0 | +171452 |
| 4pioneer | 45 | Ilomin, Kevin (1495) | Won 2-0 | +191471 |
| 5pioneer | 23 | Flaman-Haley, Robert (1503) | Won 2-0 | +191490 |
| 6pioneer | 16 | Weedon, Mark (1770) | Lost 1-2 | -131477 |
| 7pioneer | 20 | Yasinsky, Braeden (1541) | Lost 1-2 | -171460 |
| 8pioneer | 44 | Burkitt, Adam (1524) | Lost 0-2 | -171443 |
| top | average opponent: 1582record: 4-4 | new rating: 1443 | ||
| Grand Prix Austin 2020 (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 129 | Norrid, Jacob (1518) | Lost 0-2 | -171441 |
| 3modern | 198 | Hale, Cruz (1429) | Lost 0-2 | -181423 |
| 4modern | 269 | White, Casey (1503) | Won 2-1 | +191442 |
| 5modern | 241 | Harris, Jake (1498) | Lost 1-2 | -171425 |
| top | average opponent: 1487record: 1-3 | new rating: 1425 | ||
| Grand Prix Calgary 2019 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 151 | Johnstone, Kevin (1506) | Won 2-1 | +191482 |
| 3modern | 131 | Wu, Keith (1536) | Lost 0-2 | -171465 |
| 4modern | 123 | Swanson, Sam (1654) | Won 2-0 | +211486 |
| 5modern | 78 | Rozmahel, Mike (1596) | Won 2-1 | +201506 |
| 6modern | 44 | Lumberjack, Brandon (1554) | Lost 0-2 | -171489 |
| 7modern | 104 | Leedham, Bryan (1572) | Lost 1-2 | -161473 |
| 8modern | 153 | Thomason, Matthew (1639) | Lost 0-2 | -151458 |
| top | average opponent: 1580record: 3-4 | new rating: 1458 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 309 | O'Donnell, Caleb (1457) | Lost 0-2 | -191481 |
| 2modern | 407 | Clark, Noah (1481) | Won 2-1 | +181499 |
| 3modern | 332 | Ni, Mohan (1486) | Lost 1-2 | -181481 |
| 4modern | 506 | Tinsley, Houston (1501) | Lost 0-2 | -181463 |
| top | average opponent: 1481record: 1-3 | new rating: 1463 | ||