Tan, Jack
Current rating: 1522
Record: 6-5-1
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 16 | Yong, Gilbert (1468) | Won 2-0 | +171575 |
| 4sealed | 41 | Levin, Eugene (1678) | Lost 0-2 | -171558 |
| 5sealed | 64 | Kim, Cynic (1638) | Lost 0-2 | -161542 |
| 6sealed | 97 | Park, Jun Young (1453) | Lost 0-2 | -201522 |
| average opponent: 1559record: 1-3 | new rating: 1522 | |||
| Grand Prix Taipei 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 24 | Siagian, Yohannes (1502) | Won 1-0 | +181518 |
| 2block | 46 | Wu, Jia Lin (1516) | Lost 0-2 | -181500 |
| 3block | 71 | Lee, Huli Shei Chung (1483) | Won 2-0 | +181518 |
| 4block | 61 | Lim, Jeongmuk (1518) | Won 2-0 | +181536 |
| 5block | 36 | Ng, Soon Lye (1571) | Won 2-0 | +181554 |
| 6block | 36 | Chiang, Kang Nien (1739) | Lost 1-2 | -141540 |
| 7block | 57 | Hsu, David (1572) | Draw 1-1 | 01540 |
| 8block | 46 | Chung, Haw Jun (1536) | Won 2-0 | +181558 |
| average opponent: 1555record: 5-2-1 | new rating: 1558 | |||