Buchar, Viktor
Current rating: 1490
Record: 5-6
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 38 | Putman, Raoul (1554) | Won 2-0 | +191499 |
| 5extended | 39 | O'Keeffe, Simon P (1547) | Lost 1-2 | -171482 |
| 6extended | 93 | Bittner, Jacques (1582) | Lost 0-2 | -161466 |
| 7extended | 103 | Holzweiss, Ralf (1716) | Won 2-0 | +221488 |
| 8extended | 112 | Neyens, Kris (1552) | Won 2-1 | +201508 |
| 9extended | 40 | Koptisch, Stefan (1513) | Lost 1-2 | -181490 |
| average opponent: 1577record: 3-3 | new rating: 1490 | |||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Zbynek, Berecka (1448) | Won 2-1 | +171517 |
| 2sealed | 131 | Pischinger, Felix (1518) | Lost 0-2 | -181499 |
| 3sealed | 291 | Polak, Robin (1499) | Lost 0-2 | -181481 |
| 4sealed | 323 | Kovarik, Josef (1417) | Won 2-1 | +171498 |
| 5sealed | 221 | Bruha, Tomas (1501) | Lost 1-2 | -181480 |
| average opponent: 1476record: 2-3 | new rating: 1480 | |||