DeWaal, Cor
Current rating: 1434
Record: 6-11
| Regional Championships Calgary 2023 (pioneer) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 13 | Chen, James [CAN] (1507) | Lost 0-2 | -171447 |
| 2pioneer | 55 | Primdahl, Ryan (1527) | Lost 1-2 | -161431 |
| 3pioneer | 85 | Hawron, Richard (1528) | Won 2-1 | +191450 |
| 4pioneer | 69 | Shannon, Caleb (1524) | Won 2-1 | +201470 |
| 5pioneer | 44 | Phung-Tieu, Edward (1553) | Lost 1-2 | -171453 |
| 6pioneer | 54 | Rast, Samson (1414) | Lost 0-2 | -191434 |
| top | average opponent: 1509record: 2-4 | new rating: 1434 | ||
| Regional Championships Edmonton 2023 (pioneer) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 64 | Blaquera, Bryan (1346) | Won 2-1 | +161514 |
| 2pioneer | 22 | Bell, Carson (1754) | Lost 0-2 | -141500 |
| 3pioneer | 55 | Buttazzoni, Mike (1470) | Won 2-1 | +171517 |
| 4pioneer | 16 | Lazar, Samara (1475) | Lost 0-2 | -181499 |
| 5pioneer | 61 | Doherty, Mike (1473) | Lost 1-2 | -191480 |
| 6pioneer | 69 | Polsky, Scott (1597) | Lost 1-2 | -161464 |
| top | average opponent: 1519record: 2-4 | new rating: 1464 | ||
| Regional Championships Vancouver 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 19 | Roos, Tobias (1835) | Won 2-0 | +241524 |
| 2standard | 40 | Robdrup, Andy (1777) | Won 2-0 | +221546 |
| 3standard | 13 | Hoban, Liam [CAN] (1793) | Lost 0-2 | -131533 |
| 4standard | 20 | Cairns, Tom (1513) | Lost 1-2 | -191514 |
| 5standard | 37 | Duncan, Braiden (1622) | Lost 0-2 | -161498 |
| top | average opponent: 1708record: 2-3 | new rating: 1498 | ||