Kroczak, Michal
Current rating: 1553
Record: 8-5
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Trzicky, David (1500) | Lost 1-2 | -181482 |
| 2sealed | 234 | Raczy, Bartosz (1482) | Lost 1-2 | -181464 |
| 3sealed | 306 | Lenc, Ales (1463) | Won 2-0 | +181482 |
| 4sealed | 297 | Danihelka, Vit (1481) | Won 2-0 | +181500 |
| 5sealed | 275 | Pelc, Marek (1500) | Won 2-1 | +181518 |
| 6sealed | 176 | Charvat, Jiri (1401) | Won 2-0 | +161534 |
| 7sealed | 138 | Mede, Martin (1538) | Won 2-1 | +181552 |
| 8sealed | 93 | Krumpholc, Jan (1555) | Won 2-0 | +181570 |
| 9sealed | 75 | Sorta, Stephan (1519) | Won 2-1 | +171587 |
| 10draft | 6 | Szkolnicki, Rafal (1625) | Lost 1-2 | -171570 |
| 12draft | 21 | Karlhuber-vockl, Peter (1529) | Lost 1-2 | -191551 |
| 13draft | 26 | Gyselinck, Jelle (1622) | Lost 1-2 | -171534 |
| 14draft | 38 | Lefterov, Alexander (1577) | Won 2-1 | +191553 |
| average opponent: 1522record: 8-5 | new rating: 1553 | |||