Atkinson, Sam
Current rating: 1572
| Grand Prix Brisbane 2011 (ISD standard) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 8 | Jewell, Wesson (1518) | Won 2-1 | +171601 |
| 3standard | 4 | Jackson, Paul (1437) | Lost 1-2 | -211580 |
| 4standard | 93 | Fujii, Dai (1604) | Draw 0-0 | 01580 |
| 5standard | 89 | Willing, Daniel (1523) | Lost 0-2 | -191561 |
| 6standard | 116 | Smith, Craig (1402) | Won 2-0 | +151576 |
| 7standard | 85 | Wybrow, Michael (1467) | Lost 0-2 | -201556 |
| 8standard | 93 | Cunningham, Rhys (1452) | Won 2-1 | +161572 |
| top | average opponent: 1486record: 3-3-1 | new rating: 1572 | ||
| Grand Prix Brisbane 2007 (LRW limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | White, Nathan B (1520) | Won 2-0 | +171594 |
| 2sealed | 40 | Hennig, Joshua (1571) | Won 2-0 | +181612 |
| 3sealed | 26 | Eckermann, Andrew (1477) | Lost 0-2 | -211591 |
| 4sealed | 69 | Stoddart, Thomas (1481) | Lost 0-2 | -201571 |
| 5sealed | 74 | Unwin, Daniel (1465) | Won 2-1 | +161587 |
| 6sealed | 47 | Varga, Andrew (1484) | Lost 0-2 | -191568 |
| 7sealed | 65 | McAndrew, Peter D (1481) | Won 2-1 | +161584 |
| top | average opponent: 1497record: 4-3 | new rating: 1584 | ||
| Grand Prix Melbourne 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 14 | Lightfoot, Anatoli (1705) | Won 2-1 | +221522 |
| 5extended | 9 | Wong, Wai Bien (1573) | Won 2-0 | +191541 |
| 6extended | 3 | Soh, Terry (1888) | Lost 1-2 | -121529 |
| 7extended | 11 | Pirie, James (1565) | Draw 1-1 | 01529 |
| 8extended | 10 | Shanley, Glenn (1647) | Lost 0-2 | -151514 |
| 9extended | 14 | Hay, Tom (1742) | Won 2-0 | +221536 |
| 10extended | 11 | Janik, Fabian (1582) | Draw 1-1 | 01536 |
| 11extended | 13 | Lamb, Matthew (1592) | Won 2-0 | +191555 |
| 12extended | 9 | Pepper, Patrick (1482) | Won 2-1 | +171572 |
| 13extended | 6 | Wong, Garry (1596) | Won 2-0 | +191591 |
| Qextended | He, Timothy L (1856) | Lost 0-2 | -141577 | |
| top | average opponent: 1657record: 6-3-2 | new rating: 1577 | ||