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Individual Calculations April 2018 |
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| Grochowski, Mariusz Total change: -6.00 | |   |
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| Otwarta Liga Mazowiecka 2017-2018 | Warszawa | POL | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1633 | 1781 | 3.00 | 5 | -0.29 | 20 | -5.80 | |
|  Mankowski, Sebastian | | | 1420 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Mazurek, Jerzy | | | 1607 | POL | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Siekanska, Maria | | | 1386 | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mietek, Lukasz | | | 1877 | POL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Mietek, Lukasz | | | 1877 | POL | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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) | | | | II Mistrzostwa Polski Seniorek i Seniorow w szachach | Ustron-Jaszowiec | POL | 2018-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1781 | 5.50 | 9 | -0.01 | 20 | -0.20 | |
| | Rozkowicz, Czeslaw | | | 1381 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pietrzak, Janusz | | | 2021 | POL | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Bitman, Marek | | | 1977 | POL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Biodrowicz, Piotr | | | 1580 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Muc, Zbigniew | | | 1631 | POL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Wilczynski, Adam | | | 1618 | POL | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Wysocki, Mieczyslaw | | | 1635 | POL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Richter, Bronislaw | | | 1714 | POL | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Soja, Adam | | | 1657 | POL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * 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) | | |
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