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Individual Calculations May 2010 |
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| Zielewicz, Piotr Total change: -1.25 | |   |
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| IV Wielkopolska Liga Szachowa grupa A | Wielkoposka | POL | 2009-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1670 | 1.50 | 5 | -0.05 | 25 | -1.25 | |
|  Rozumek, Krzysztof | | | 1849 | POL | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Hanusek, Slawomir | | | 1784 | POL | 0.00 | 1 | -0.34 | 25 | -8.50 | |  Glatty, Zbigniew | | | 1918 | POL | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Kaczmarek, Piotr | | | 1850 | POL | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Piechota, Piotr | | | 1680 | POL | 1.00 | 1 | 0.51 | 25 | 12.75 | |
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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