Pratana, Gianina Joy
Current rating: 1411
Record: 1-6
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Kwek, Boon Leng Alfie (1499) | Lost 0-2 | -181482 |
| 2standard | 158 | Porter, Kurt (1536) | Lost 0-2 | -171465 |
| 3standard | 226 | Foo, Yao Sheng (1465) | Lost 0-2 | -181447 |
| 4standard | 292 | Chue, Jerry (1464) | Lost 1-2 | -181429 |
| 5standard | 286 | Chua, Ryan (1426) | Lost 1-2 | -181411 |
| 6standard | 263 | Piao, Jia Liang (1411) | Won 2-1 | +181429 |
| 7standard | 224 | Low, Kah Wai (1427) | Lost 1-2 | -181411 |
| average opponent: 1461record: 1-6 | new rating: 1411 | |||