Decourcy, Joseph
Current rating: 1475
Record: 1-3
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 232 | Liu, Bangliang (1737) | Lost 0-2 | -141486 |
| 2pioneer | 247 | Brantley, Stephen (1553) | Won 2-1 | +191505 |
| 3pioneer | 378 | Nonaka, Keenan (1681) | Lost 1-2 | -141491 |
| 4pioneer | 409 | Cole, Kirk (1609) | Lost 0-2 | -161475 |
| average opponent: 1645record: 1-3 | new rating: 1475 | |||