Rosenthal, Simon
Current rating: 1539
Record: 5-3
| Grand Prix Calgary 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 359 | Weiss, Lee (1449) | Won 2-0 | +171517 |
| 2modern | 85 | Zanetic, Ted (1596) | Won 2-1 | +201537 |
| 3modern | 95 | Hetherington, Sean (1603) | Lost 1-2 | -171520 |
| 4modern | 176 | Barthel, Mitchell (1519) | Lost 0-2 | -181502 |
| 5modern | 205 | Spyromilios, Konstantinos (1507) | Won 2-1 | +181520 |
| 6modern | 152 | Main, William (1517) | Won 2-0 | +181538 |
| 7modern | 95 | Bilton, Robert (1574) | Won 2-1 | +181556 |
| 8modern | 51 | Pratt, Ryan (1562) | Lost 1-2 | -171539 |
| average opponent: 1541record: 5-3 | new rating: 1539 | |||