Grebe, Jacco
Current rating: 1464
Record: 1-3
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 676 | Pibernat Roses, Marc (1443) | Lost 0-2 | -191481 |
| 2sealed | 1149 | Lopez Martinez, Rafael Eusebio (1443) | Lost 0-2 | -191462 |
| 3sealed | 1143 | Rydberg, Erik (1455) | Won 2-0 | +181480 |
| 4sealed | 871 | Bodson, Cedric (1572) | Lost 1-2 | -161464 |
| average opponent: 1478record: 1-3 | new rating: 1464 | |||