Jarko, Vaclav
Current rating: 1445
Record: 1-4
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 354 | Deane, Peter (1500) | Lost 0-2 | -181482 |
| 2sealed | 711 | Frith, Louis (1482) | Lost 1-2 | -181464 |
| 3sealed | 730 | Koers, Kenta (1421) | Lost 1-2 | -191445 |
| 4sealed | 884 | Hoskins, Glenn (1444) | Won 2-1 | +181463 |
| 5sealed | 762 | Seymour, William (1463) | Lost 1-2 | -181445 |
| average opponent: 1462record: 1-4 | new rating: 1445 | |||