Riegel, Jiri
Current rating: 1452
Record: 3-6-1
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 78 | Stock, Marc (1502) | Won 2-0 | +201446 |
| 2standard | 37 | Tenambergen, Soren (1522) | Won 2-1 | +191465 |
| 3standard | 228 | Amendola, Michele (1495) | Won 2-1 | +191484 |
| 4standard | 161 | Bemka, lukasz (1520) | Draw 1-1 | 01484 |
| 5standard | 91 | Schraut, Andreas (1662) | Lost 1-2 | -151469 |
| 6standard | 206 | Theurel, Sebastien (1503) | Lost 0-2 | -171452 |
| average opponent: 1534record: 3-2-1 | new rating: 1452 | |||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 18 | Daszkiewicz, Sebastian (1500) | Lost 1-2 | -181482 |
| 2standard | 322 | Posavi, Andrej (1433) | Lost 0-2 | -191463 |
| 3standard | 519 | Kulhanek, Honza (1417) | Lost 1-2 | -191444 |
| 4standard | 540 | Kapari, Mark (1447) | Lost 1-2 | -181426 |
| average opponent: 1449record: 0-4 | new rating: 1426 | |||