Duong, Donald
Current rating: 1445
Record: 9-13-1
| Grand Prix Melbourne 2016 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 131 | McEwen, Andrew (1431) | Won 2-0 | +181450 |
| 2modern | 226 | De Wet, Jan (1451) | Lost 0-2 | -181432 |
| 3modern | 410 | Dobson, Brendan (1481) | Lost 1-2 | -171415 |
| 4modern | 357 | Farrugia, Michael (1482) | Won 2-0 | +191434 |
| 5modern | 319 | Dowling, Thomas 3653 (1492) | Lost 0-2 | -171417 |
| 6modern | 444 | Goodwin, Jarrod (1485) | Won 2-0 | +191436 |
| 7modern | 309 | Rowe, Daniel (1627) | Won 2-1 | +221458 |
| 8modern | 214 | Ball, Daniel (1748) | Lost 1-2 | -131445 |
| top | average opponent: 1525record: 4-4 | new rating: 1445 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Daniels, Scott (1525) | Lost 0-2 | -171428 |
| 2sealed | 363 | Spring, Leah (1445) | Won 2-1 | +181446 |
| 3sealed | 239 | Waters, Adam (1461) | Lost 1-2 | -171429 |
| 4sealed | 336 | Dunn, James (1538) | Won 2-0 | +201449 |
| 5sealed | 215 | Roberts, Brenton (1501) | Lost 1-2 | -171432 |
| top | average opponent: 1494record: 2-3 | new rating: 1432 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Clancy, David (1461) | Lost 0-2 | -181465 |
| 2sealed | 354 | Sanderson, Dane (1480) | Lost 1-2 | -181447 |
| 3sealed | 387 | Evic, Nicholas (1462) | Lost 1-2 | -181429 |
| 4sealed | 354 | Eccleston, Andrew (1291) | Won 2-1 | +161445 |
| top | average opponent: 1424record: 1-3 | new rating: 1445 | ||
| Grand Prix Melbourne 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Tulip, Michael (1519) | Won 1-0 | +181518 |
| 2standard | 33 | Briggs, Nicholas (1518) | Draw 1-1 | 01518 |
| 3standard | 169 | Lowe, Tristan (1565) | Lost 0-2 | -171501 |
| 4standard | 266 | Spiller, Robert (1501) | Lost 0-2 | -181483 |
| 5standard | 319 | Eichinger, Karl (1480) | Won 1-0 | +181501 |
| 6standard | 238 | Paton, Jake (1493) | Lost 0-2 | -181483 |
| top | average opponent: 1513record: 2-3-1 | new rating: 1483 | ||