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Individual Calculations April 2009 |
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| Ciechonski, Piotr Total change: -0.50 | |   |
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| Otwarte Mistrzostwa Gminy Jastkow | Dabrowica | POL | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2122 | 2.00 | 3 | -0.02 | 25 | -0.50 | |
|  Sliwinska, Dorota | | | 1772 | POL | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Pyda, Zbigniew | f | | 2321 | POL | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Kepa, Wojciech | | | 1772 | POL | 1.00 | 1 | 0.11 | 25 | 2.75 | |
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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