Lee, Yong Sheng Derek
Current rating: 1477
Record: 3-5
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Ang, Chin Yang (1500) | Won 2-0 | +191483 |
| 2sealed | 48 | Low, Ronald (1412) | Lost 1-2 | -201463 |
| 3sealed | 233 | Chua, Khian Hong (1535) | Won 2-1 | +201483 |
| 4sealed | 164 | Goh, Gary [SGP] (1518) | Won 2-1 | +181501 |
| 5sealed | 74 | Cifka, Stanislav (2096) | Lost 0-2 | -81493 |
| 6sealed | 181 | Fung, Ngan (1598) | Lost 0-2 | -161477 |
| average opponent: 1610record: 3-3 | new rating: 1477 | |||
| Grand Prix Singapore 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 53 | Cheng, Gabriel (1500) | Lost 1-2 | -181482 |
| 2extended | 93 | Neo, Shun Jie (1482) | Lost 0-2 | -181464 |
| average opponent: 1491record: 0-2 | new rating: 1464 | |||