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Individual Calculations February 2013 |
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| Pielach, Jacek Total change: -38.70 | |   |
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| XV Ketrzynski Festiwal Szachowy-OPEN A | Ketrzyn | POL | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1588 | 1431 | 0.50 | 3 | -0.48 | 30 | -14.40 | |
|  Aleksandrowicz, Marek | | | 1831 * | POL | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Wierzbowska, Aleksandra | | | 1490 | POL | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Budnik, Kazimierz | | | 1442 | POL | 0.50 | 1 | 0.02 | 30 | 0.60 | | | * 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) | | | | FERIE Z SZACHAMI 2013-grupa A | Olsztyn | POL | 2013-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1431 | 1.50 | 4 | -0.81 | 30 | -24.30 | |
| | Pitula, Adam | | | 1355 | POL | 0.50 | 1 | -0.10 | 30 | -3.00 | | | Niklas, Michal | | | 1435 | POL | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Adamowicz, Marek | | | 1402 | POL | 0.00 | 1 | -0.54 | 30 | -16.20 | | | Kostecka, Marika | | | 1294 | POL | 0.00 | 1 | -0.68 | 30 | -20.40 | |
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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