Gierszewski, Maciek
Current rating: 1472
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 717 | Zadrazil, Michal (1554) | Won 2-1 | +191507 |
| 2sealed | 679 | Kapuscinski, Adam (1522) | Lost 0-2 | -181489 |
| 3sealed | 690 | Vogl, Milan (1467) | Lost 0-2 | -181471 |
| 4sealed | 837 | Marigliani, Michelle (1486) | Won 2-1 | +181489 |
| 5sealed | 710 | Heligr, Jiri (1498) | Lost 0-2 | -181471 |
| 6sealed | 732 | Mikes, Ondra (1484) | Won 2-0 | +181489 |
| 7sealed | 698 | Simek, Vaclav (1498) | Lost 0-2 | -171472 |
| top | average opponent: 1501record: 3-4 | new rating: 1472 | ||
| Grand Prix Copenhagen 2008 (EVE standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 173 | Asgeirsson, Torfi (1554) | Won 2-0 | +191501 |
| 2standard | 41 | Nielsen, Kristian (1518) | Lost 0-2 | -181483 |
| 3standard | 157 | Brandt, Kenneth (1682) | Lost 1-2 | -141469 |
| 4standard | 228 | Jakobsen, Andreas (1482) | Lost 1-2 | -181451 |
| 5standard | 243 | Naesse, Fredrik (1485) | Draw 1-1 | +11452 |
| 6standard | 236 | Stensmyr, Peter (1415) | Won 2-0 | +171469 |
| 7standard | 189 | Ivanov, Dimitri (1484) | Lost 1-2 | -181451 |
| 8standard | 166 | Lousdal, Anita (1446) | Won 2-1 | +181469 |
| 9standard | 129 | Nielsen, Nicolai (1484) | Won 2-0 | +191488 |
| top | average opponent: 1505record: 4-4-1 | new rating: 1488 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 45 | Schwankl, Andre (1555) | Won 2-1 | +191519 |
| 2standard | 96 | De Biasi, Mattia (1484) | Lost 0-2 | -191500 |
| 3standard | 92 | Fedorovich, Dmitry (1526) | Won 2-1 | +191519 |
| 4standard | 115 | Lorenz, Konstantin (1469) | Lost 0-2 | -191500 |
| 5standard | 127 | Dluhos, Eduard (1499) | Draw 1-1 | 01500 |
| 6standard | 131 | Wilbrand, Robert (1524) | Draw 1-1 | 01500 |
| 7standard | 137 | Rzadkosz, Szymon (1502) | Lost 0-2 | -181482 |
| 8standard | 132 | Seipel, Jean-Luc (1482) | Won 2-0 | +181500 |
| 9standard | 103 | Urosevic, Stefan (1469) | Lost 0-2 | -181482 |
| top | average opponent: 1501record: 3-4-2 | new rating: 1482 | ||