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Individual Calculations April 2015 |
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| Jacek, Nikola Total change: 9.20 | |   |
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| Polish Youth Chess Championship 2015 - G10 | Jastrzebia Gora | POL | 2015-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1154 | 1.00 | 2 | 0.23 | 40 | 9.20 | |
|  Mysliwiec, Natalia | | | 1257 | POL | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Majczyna, Patrycja | | | 1220 | POL | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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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