Marinduque, Billy Jay
Current rating: 1501
Record: 4-4
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Hassan, Shahrizan Ferouz (1590) | Won 2-1 | +201520 |
| 2standard | 101 | Lennon, Scott (1413) | Lost 1-2 | -201500 |
| 3standard | 156 | Wong, Nicholas Jonathan (1548) | Lost 0-2 | -171483 |
| 4standard | 244 | Tang, Teddy (1482) | Lost 0-2 | -181465 |
| 5standard | 256 | Salavante, Oliver (1463) | Won 2-0 | +181483 |
| 6standard | 209 | Khor, Chong Xiang (1497) | Won 2-1 | +181501 |
| 7standard | 169 | Chee Yoong, Goh (1490) | Won 2-0 | +181519 |
| 8standard | 137 | Yu, Ching Kong (1519) | Lost 1-2 | -181501 |
| average opponent: 1500record: 4-4 | new rating: 1501 | |||