Semmens, Matthew
Current rating: 1459
| Grand Prix Sydney 2013 (RTR limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | de Graaf, Michael (1409) | Lost 1-2 | -201478 |
| 2sealed | 208 | Thomson, Iain (1482) | Won 2-0 | +181496 |
| 3sealed | 206 | Yuksel, Yunus (1437) | Lost 1-2 | -191477 |
| 4sealed | 275 | Nguyen, Nam [AUS] (1483) | Lost 0-2 | -181459 |
| top | average opponent: 1453record: 1-3 | new rating: 1459 | ||
| Grand Prix Sydney 2003 (MRD limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Griffiths, Nye (1500) | Lost 0-2 | -181499 |
| 2sealed | 67 | Gherbaz, Eldo (1482) | Won 2-1 | +181517 |
| 3sealed | 83 | Gartner, John (1500) | Won 1-0 | +171534 |
| 4sealed | 59 | Hill, Corey (1515) | Lost 0-2 | -181516 |
| 5sealed | 84 | Chau, Fan (1483) | Lost 0-2 | -181498 |
| top | average opponent: 1496record: 2-3 | new rating: 1498 | ||
| Grand Prix Sydney 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 25 | MacArthur, David (1500) | Lost 1-2 | -181482 |
| 2extended | 49 | Chin Quan, Audrey (1482) | Won 2-1 | +181500 |
| 3extended | 64 | Copus, Lee (1500) | Lost 1-2 | -181482 |
| 4extended | 72 | Doyle, Glenn (1482) | Won 2-1 | +181500 |
| 5extended | 57 | Gress, Pete (1500) | Won 2-1 | +181518 |
| 6extended | 42 | Casssar, Marcus (1517) | Won 2-1 | +181536 |
| 7extended | 30 | West, Justin T (1503) | Lost 0-2 | -191517 |
| top | average opponent: 1498record: 4-3 | new rating: 1517 | ||