Kong, Jack
Current rating: 1509
Record: 4-4
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 58 | Zhang, Renlong (1463) | Won 2-1 | +171517 |
| 2modern | 64 | Song, Malcolm (1374) | Lost 0-2 | -201497 |
| 3modern | 361 | Cui, Yuanzheng (1375) | Won 2-0 | +161513 |
| 4modern | 231 | Ong, Hak Tiong (1690) | Lost 0-2 | -151498 |
| 5modern | 211 | Mason, Ian (1562) | Won 2-0 | +191517 |
| 6modern | 206 | Seet, Danny (1718) | Won 2-0 | +221539 |
| 7modern | 125 | Balkaran, Sarvesh (1714) | Lost 1-2 | -151524 |
| 8modern | 156 | Lee, Rick Hup Beng (1705) | Lost 0-2 | -151509 |
| average opponent: 1575record: 4-4 | new rating: 1509 | |||