Haley, Duncan
Current rating: 1464
Record: 1-3
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 64 | Chavez, Rafael (1553) | Won 2-1 | +191519 |
| 2pioneer | 204 | Antwan, Steven (1571) | Lost 1-2 | -171502 |
| 3pioneer | 286 | Gutierrez, Kenneth (1421) | Lost 0-2 | -201482 |
| 4pioneer | 392 | Hemstreet, Rusty (1462) | Lost 1-2 | -181464 |
| average opponent: 1502record: 1-3 | new rating: 1464 | |||