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Individual Calculations December 2019 |
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| Kostecka, Marika Total change: 12.80 | |   |
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| IV Wielkopolska Liga Seniorow grupa A 2019/2020 Round 1-2 | Poznan | POL | 2019-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1965 | 1.50 | 2 | 0.05 | 40 | 2.00 | |
|  Stochnialek, Dominika | | | 1768 | POL | 0.50 | 1 | -0.25 | 40 | -10.00 | |  Krasinski, Rafal | | | 1813 | POL | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | Konin V Masters FIDE | Konin | POL | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1965 | 3.00 | 5 | 0.09 | 40 | 3.60 | |
| | Steczek, Marcin | f | | 2365 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Krupinski, Ryszard | | | 1565 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Pawlicz, Dariusz | | | 1721 | POL | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Jedynak, January | | | 1840 | POL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Banach, Szymon | | | 2007 | POL | 0.00 | 1 | -0.44 | 40 | -17.60 | | | * 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) | | | | Wielkopolska III Liga Szachowa 2019/2020 Round 1-3 | Poznan | POL | 2019-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 1965 | 0.50 | 1 | 0.18 | 40 | 7.20 | |
| | Smarsz, Agata | | | 2099 | POL | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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