Cosman, Tyler
Current rating: 1486
Record: 2-3
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 315 | Cote, Frederic (1516) | Won 2-1 | +181518 |
| 2sealed | 222 | Gray, Chris (1456) | Lost 0-2 | -191499 |
| 3sealed | 296 | Herberman, Erin (1417) | Won 2-0 | +171516 |
| 4sealed | 187 | Rousseau, Patrice (1506) | Lost 0-2 | -191497 |
| 5sealed | 345 | Dedrick, John (1900) | Lost 1-2 | -111486 |
| average opponent: 1559record: 2-3 | new rating: 1486 | |||