Koll, Ivo
Current rating: 1391
Record: 1-7
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 678 | Buechel, Johannes (1461) | Lost 1-2 | -191481 |
| 2sealed | 1242 | Kadlec, Jan (1482) | Lost 0-2 | -181463 |
| 3sealed | 1191 | Herpoel, Wesly (1455) | Lost 0-2 | -181445 |
| 4sealed | 1138 | Moschino, Flavio (1444) | Lost 0-2 | -181427 |
| 5sealed | 1030 | Medolago, Diego (1427) | Lost 0-2 | -181409 |
| 6sealed | 898 | Albert, Florian (1413) | Won 2-1 | +181427 |
| 7sealed | 742 | Wieser, Felix (1390) | Lost 0-2 | -181409 |
| 8sealed | 613 | Chappellet, Kevin (1409) | Lost 0-2 | -181391 |
| average opponent: 1435record: 1-7 | new rating: 1391 | |||