Coombs, David p
Current rating: 1445
Record: 2-5
| Grand Prix Brisbane 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 92 | Mroz, Nik (1428) | Won 2-1 | +171517 |
| 2modern | 2 | Chung, Jason (1848) | Lost 1-2 | -121505 |
| 3modern | 70 | Mckay, Peter (1514) | Lost 1-2 | -181487 |
| 4modern | 164 | White, Jim (1372) | Lost 0-2 | -201467 |
| 5modern | 179 | Nolan, Alex (1430) | Lost 1-2 | -191448 |
| 6modern | 172 | Eyre, Shayne (1300) | Lost 0-2 | -211427 |
| 8modern | 125 | Beswick, John (1428) | Won 2-0 | +181445 |
| average opponent: 1474record: 2-5 | new rating: 1445 | |||