Johstoneaux, Daniel
Current rating: 1505
Record: 2-2
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 192 | Shimada, Aron (1627) | Lost 1-2 | -161484 |
| 2modern | 687 | Karl, Robert (1419) | Won 2-1 | +171501 |
| 3modern | 523 | Balash, Liam (1574) | Won 2-1 | +191520 |
| 4modern | 241 | Prince, Nicholas (1652) | Lost 0-2 | -151505 |
| average opponent: 1568record: 2-2 | new rating: 1505 | |||