De Brum, Nathan
Current rating: 1437
Record: 2-6
| Grand Prix Toronto 2018 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 514 | Angle, Travis (1441) | Won 2-0 | +181487 |
| 2modern | 355 | Lee, Justin (1666) | Lost 1-2 | -151472 |
| 3modern | 685 | Paquette, Sean (1491) | Lost 1-2 | -181454 |
| 4modern | 673 | Pretty, Kyle (1481) | Lost 1-2 | -171437 |
| average opponent: 1520record: 1-3 | new rating: 1437 | |||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 10 | Neeb, Keith (1500) | Lost 1-2 | -181482 |
| 2standard | 458 | Ishak, Shereef (1483) | Won 2-0 | +181500 |
| 3standard | 349 | Jones, Nathan [CAN] (1789) | Lost 1-2 | -131487 |
| 4standard | 528 | Kang, Eugene (1483) | Lost 0-2 | -181469 |
| average opponent: 1564record: 1-3 | new rating: 1469 | |||