Holc, Jan
Current rating: 1478
Record: 2-4-1
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 27 | Mengucci, Andrea (1887) | Lost 0-2 | -111489 |
| 4standard | 217 | Zacharias, Jan (1515) | Lost 0-2 | -181471 |
| 5standard | 563 | Ehrler, Matthias (1270) | Lost 1-2 | -211450 |
| 6standard | 465 | Kin, Jedrzej (1466) | Won 2-0 | +181468 |
| 7standard | 434 | Krzysztalowicz, Dawid (1693) | Won 2-0 | +221490 |
| 8standard | 268 | Meier, Adrian (1720) | Lost 0-2 | -141476 |
| 9standard | 305 | Junghans, Eric (1557) | Draw 1-1 | +21478 |
| average opponent: 1587record: 2-4-1 | new rating: 1478 | |||