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Individual Calculations April 2015 |
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| Kejna, Piotr Total change: 30.80 | |   |
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| Dolnoslaska Liga Szachowa 2014/2015 - IV Liga - r.6-7 Rounds 14-15 | Dolny Slask | POL | 2015-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1629 | 1278 | 1.00 | 2 | 0.77 | 40 | 30.80 | |
|  Mazurowski, Marcin | | | 1678 * | POL | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Posluszny, Rafal | | | 1580 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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