hartono, david
Current rating: 1517
Record: 4-3
| Grand Prix Singapore 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 41 | Neoh, Cheng (1500) | Won 2-0 | +181518 |
| 2modern | 126 | Sim, Kaiser (1410) | Lost 1-2 | -201498 |
| 3modern | 413 | januar, Jimmy (1502) | Won 2-1 | +181516 |
| 4modern | 229 | Ming, Desmond (1522) | Lost 0-2 | -181498 |
| 5modern | 405 | Ng, Kenji (1531) | Lost 0-2 | -171481 |
| 6modern | 380 | Zhen Yuan Bryan, Lee (1480) | Won 2-1 | +181499 |
| 7modern | 273 | Yang, Wenjun Kristophe (1497) | Won 2-0 | +181517 |
| average opponent: 1492record: 4-3 | new rating: 1517 | |||