Michna, Michael
Current rating: 1503
Record: 6-6
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 120 | Albesiano, Enrico (1504) | Lost 0-1 | -181486 |
| 2standard | 311 | Van Der Zouw, Frank (1484) | Lost 0-2 | -181468 |
| 3standard | 337 | Winkler, Eduard (1463) | Won 2-0 | +181486 |
| 4standard | 283 | Kobylinski, Przemyslaw (1473) | Won 2-1 | +171503 |
| 5standard | 220 | Finnegan, Jason R (1476) | Won 2-0 | +181521 |
| 6standard | 190 | Peelen, Manuel (1504) | Lost 0-2 | -181503 |
| average opponent: 1484record: 3-3 | new rating: 1503 | |||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 238 | Mohr, Nicholas (1499) | Won 2-1 | +181518 |
| 2extended | 55 | Karlinski, Anton (1526) | Won 2-1 | +181536 |
| 3extended | 104 | Payen, Laurent (1663) | Lost 0-2 | -161520 |
| 4extended | 215 | Krejsa, Tomas (1592) | Won 2-0 | +201540 |
| 5extended | 111 | Gaudin, Nicolas (1572) | Lost 0-2 | -181522 |
| 6extended | 215 | Lenaerts, Mathi (1490) | Lost 0-2 | -181504 |
| average opponent: 1557record: 3-3 | new rating: 1504 | |||