Sipka, Vilem
Current rating: 1499
Record: 3-3
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | Stratmann, Lars (1500) | Won 2-0 | +181518 |
| 2sealed | 95 | Bose, Timur (1426) | Won 2-0 | +161534 |
| 3sealed | 134 | Enders, Martin (1535) | Lost 1-2 | -181516 |
| 4sealed | 322 | Larkeryd, Adrian Erik (1561) | Won 2-0 | +191535 |
| 5sealed | 111 | Dippon, Andreas (1548) | Lost 0-2 | -181517 |
| 6sealed | 423 | Merrick, Edward (1520) | Lost 1-2 | -181499 |
| average opponent: 1515record: 3-3 | new rating: 1499 | |||