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Individual Calculations February 2018 |
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| Niemier, Martyna Total change: 4.80 | |   |
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| IV WIELKOPOLSKA LIGA SENIORÓW GRUPA A-2017-2018 Round 4-5 | Poznan | POL | 2018-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1217 | 1164 | 0.50 | 1 | 0.07 | 40 | 2.80 | |
|  Chorazyczewska, Weronika | | | 1217 | POL | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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) | | | | III Wielkopolska Liga Juniorow 2018 Round 1-4 | Gniezno | POL | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1174 | 1164 | 1.50 | 3 | 0.05 | 40 | 2.00 | |
| | Piotrowska, Florentyna | | | 1242 | POL | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Pieczewska, Gabriela | | | 1250 | POL | 1.00 | 1 | 0.62 | 40 | 24.80 | |  Kierska, Pola | | | 1030 | 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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