Harrison, Ben
Current rating: 1485
Record: 6-7
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Madigan, Damien (1500) | Won 2-0 | +181518 |
| 2sealed | 33 | Yee, Victor (1518) | Won 2-0 | +181536 |
| 3sealed | 58 | Hortle, Linden (1495) | Lost 1-2 | -191517 |
| 4sealed | 128 | Sadeq, Jafar (1491) | Lost 1-2 | -181499 |
| 5sealed | 112 | Gaffud, Nathaniel (1530) | Won 2-0 | +181517 |
| 6sealed | 103 | Perry, Nicholas (1505) | Won 2-0 | +181535 |
| 7sealed | 49 | Maloney, Richard (1536) | Won 2-0 | +181553 |
| 8sealed | 49 | Capilitan, Adrian (1570) | Won 2-0 | +181571 |
| 9draft | 17 | Van Der Werk, Paul (1613) | Lost 1-2 | -171554 |
| 10draft | 30 | Rayner, Hugh (1628) | Lost 0-2 | -161538 |
| 12draft | 25 | Rayner, Hugh (1626) | Lost 0-2 | -171521 |
| 13draft | 25 | Lim-Joon, Gavan (1515) | Lost 1-2 | -181503 |
| 14draft | 24 | Nicoll, Aaron (1494) | Lost 1-2 | -181485 |
| average opponent: 1540record: 6-7 | new rating: 1485 | |||