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Individual Calculations July 2009 |
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| Tretina, Zdenek Total change: 2.85 | |   |
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| Open Orlova 2009 | Orlova | CZE | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1825 | 1.50 | 5 | 0.19 | 15 | 2.85 | |
|  Olsarova, Karolina | | wf | 2110 | CZE | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Weglarz, Leszek | m | | 2175 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Pisarek, Marcin | | | 1765 | POL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Chwastek, Otto | | | 2011 | CZE | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Olsar, Zdenek | | | 2063 | CZE | 0.00 | 1 | -0.20 | 15 | -3.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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