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Individual Calculations August 2015 |
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| Kaczmarek, Piotr Total change: -19.20 | |   |
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| Chess Summer 2015 | Poznan | POL | 2015-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1838 | 5.00 | 9 | -0.96 | 20 | -19.20 | |
|  Ciesinska, Weronika | | | 1449 | POL | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Koper, Konrad | | | 1654 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Wojdak, Karol | | | 1511 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Pawlicki, Dariusz | | | 1639 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Mortola, Alberto | | | 2023 | ITA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Choremska, Zuzanna | | | 1438 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Glatty, Zbigniew | | | 1906 | POL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Raczynski, Krzysztof | | | 1893 | POL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Lisiecki, Robert | | | 1713 | POL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | * 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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