Kos, Tomas 7452
Current rating: 1521
Record: 5-4
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Hosek, Ctibor (1488) | Lost 1-2 | -181482 |
| 2sealed | 282 | Kreminski, Wiktor (1481) | Won 2-0 | +181500 |
| 3sealed | 205 | Holzelius, Stefan (1499) | Won 2-0 | +181518 |
| 4sealed | 182 | Hrncar, Michal (1489) | Won 2-0 | +171535 |
| 5sealed | 111 | Williams, David A (1705) | Lost 0-2 | -151520 |
| 6sealed | 211 | Brehovsky, Josef (1518) | Won 2-1 | +181538 |
| 7sealed | 105 | Nega, Krzysztof (1537) | Won 2-0 | +181556 |
| 8sealed | 58 | Menner, Andreas (1544) | Lost 1-2 | -181538 |
| 9sealed | 93 | Lambacher, Mario (1576) | Lost 0-2 | -171521 |
| average opponent: 1537record: 5-4 | new rating: 1521 | |||