Koster, Philippe
Current rating: 1464
Record: 2-4
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1183 | Leonhardt, Ramon (1543) | Lost 0-2 | -171483 |
| 2sealed | 1034 | Nohel, Stefan (1451) | Lost 0-2 | -191464 |
| 3sealed | 1169 | Doelschner, Hannes (1464) | Lost 0-2 | -181446 |
| 4sealed | 1132 | Minchev, Zdravko (1409) | Won 2-0 | +181464 |
| 5sealed | 963 | Samyn, Erwan (1506) | Won 2-0 | +181482 |
| 6sealed | 748 | Fortrie, Johannes (1492) | Lost 0-2 | -181464 |
| average opponent: 1477record: 2-4 | new rating: 1464 | |||