William De Kock, Jonat
Current rating: 1505
Record: 3-3
| Grand Prix Singapore 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 289 | Zhang, Yang Da (1408) | Lost 1-2 | -201480 |
| 2modern | 325 | Chun Kit, Fong (1482) | Won 2-0 | +181498 |
| 3modern | 266 | Tanumihardja, Maximillian (1600) | Won 2-1 | +201518 |
| 4modern | 279 | Montero Jr, Simon (1537) | Won 2-0 | +191537 |
| 5modern | 76 | Tan, Chin Heng (1745) | Lost 1-2 | -151522 |
| 6modern | 274 | Han, Kelvin Tan Choon (1535) | Lost 0-2 | -171505 |
| average opponent: 1551record: 3-3 | new rating: 1505 | |||