Sim, Alvin
Current rating: 1492
Record: 7-8
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Trathan, Mitchell (1500) | Lost 1-2 | -171428 |
| 2sealed | 118 | Collins, Brett S (1482) | Lost 1-2 | -171411 |
| 3sealed | 147 | Kuzmanovski, Joseph (1449) | Won 2-0 | +181429 |
| 4sealed | 176 | Shishkilov, Sergey (1482) | Won 2-0 | +191448 |
| 5sealed | 133 | Glaser, Karl (1501) | Won 2-0 | +191467 |
| 6sealed | 77 | Schnelle, Michael (1518) | Won 2-1 | +191486 |
| 7sealed | 83 | Wood, Ian (1483) | Won 2-1 | +181504 |
| 8sealed | 36 | Oks, Oliver (1842) | Lost 0-2 | -121492 |
| average opponent: 1532record: 5-3 | new rating: 1492 | |||
| Grand Prix Melbourne 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 26 | Reunis, Ace (1500) | Won 2-1 | +181518 |
| 2extended | 1 | Rolf, Harry (1517) | Lost 1-2 | -181500 |
| 3extended | 30 | Harris, Colin (1423) | Lost 0-2 | -191481 |
| 4extended | 58 | Gelfand, Jesse (1501) | Lost 0-1 | -181463 |
| 5extended | 64 | Chan, Daryl (1465) | Won 2-0 | +181481 |
| 6extended | 49 | Kuzmanovski, Joseph (1484) | Lost 0-2 | -181463 |
| 7extended | 52 | Foggin, Chris (1446) | Lost 0-2 | -181445 |
| average opponent: 1477record: 2-5 | new rating: 1445 | |||