Marko, Calvin
Current rating: 1534
Record: 8-7
| Grand Prix Calgary 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 10 | Rast, Samson (1565) | Won 2-1 | +191519 |
| 2modern | 98 | Turcotte, Brandon (1471) | Won 2-1 | +171536 |
| 3modern | 59 | Millman, Benjamin (1593) | Won 2-1 | +191555 |
| 4modern | 68 | Hooton, Patrick (1688) | Lost 0-2 | -151540 |
| 5modern | 140 | Mrakava, Brooke (1535) | Lost 0-2 | -181522 |
| 6modern | 122 | Manning, Shea (1532) | Won 2-0 | +181540 |
| 7modern | 156 | Lycklama, Ben (1521) | Won 2-0 | +171557 |
| 8modern | 96 | Brierley, Michael (1891) | Won 2-1 | +241581 |
| 9modern | 30 | Neal, Richard (1701) | Won 2-1 | +211602 |
| 10modern | 35 | Kane, Noah (1597) | Lost 0-2 | -191583 |
| 11modern | 53 | Shivji, Qail (1894) | Won 2-1 | +241607 |
| 12modern | 33 | Phillips, Conner (1597) | Lost 0-2 | -181589 |
| 13modern | 53 | Tang, Kevin (1546) | Lost 0-2 | -191570 |
| 14modern | 57 | Cordonier, Erika (1514) | Lost 1-2 | -191551 |
| 15modern | 61 | Hoffos, Mason (1625) | Lost 1-2 | -171534 |
| average opponent: 1618record: 8-7 | new rating: 1534 | |||