Matangi, Duncan
Current rating: 1526
Record: 4-3
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Chin, William (1509) | Won 2-1 | +181518 |
| 2sealed | 42 | Ellis, Dominic (1583) | Won 2-1 | +191537 |
| 3sealed | 67 | Smeltz, Jacob (1463) | Lost 1-2 | -191518 |
| 4sealed | 100 | Jackson, Harry (1577) | Won 2-1 | +191537 |
| 5sealed | 85 | Pathirana, Prads (2041) | Lost 0-2 | -91528 |
| 6sealed | 125 | Van Teijlingen, Ewan (1452) | Won 2-1 | +161544 |
| 7sealed | 58 | Sams, Henry (1511) | Lost 0-2 | -181526 |
| average opponent: 1591record: 4-3 | new rating: 1526 | |||