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Individual Calculations July 2018 |
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| Rak, Jacek Total change: 39.20 | |   |
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| Turniej FIDE o Puchar Burmistrza Ursusa Grupa A | Ursus | POL | 2018-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1418 | 2.50 | 5 | 1.00 | 40 | 40.00 | |
|  Derylo, Kamil | | | 1649 | POL | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Zielinski, Marcin | | | 1579 | POL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Kozlowski, Pawel | | | 1553 | POL | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Haliniak, Wojciech | | | 1744 | POL | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Sidorczuk, Dominik | | | 1384 | POL | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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) | | | | Mistrzostwa Mazowsza Junior0w 2018 - do lat 13 | Radzymin | POL | 2018-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1418 | 3.00 | 5 | -0.02 | 40 | -0.80 | |
| | Iwaszkiewicz, Krzysztof | | | 1670 | POL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Wolszczak, Natalia | | | 1020 | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wesolek, Krzysztof | | | 1093 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Cwiek, Ryszard | | | 1747 | POL | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Laszczuk, Zofia | | | 1018 * | POL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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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