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Individual Calculations May 2015 |
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| Warchol, Maria Total change: -1.40 | |   |
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| Wielkopolska Liga Seniorów - III Liga r2-3 | Wojewodztwo Wielkopolskie | POL | 2014-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1881 | 1.50 | 2 | 0.14 | 20 | 2.80 | |
|  Paczka, Patryk | | | 1876 | POL | 0.50 | 1 | -0.01 | 20 | -0.20 | |  Zurawski, Kamil | | | 1585 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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) | | | | Wielkopolska Liga Seniorów - III Liga r4-5 | Wojewodztwo Wielkopolskie | POL | 2015-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1881 | 1.50 | 2 | 0.28 | 20 | 5.60 | |
| | Szymkowiak, Damian | | | 1650 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Plonczak, Mateusz | | | 1928 | POL | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Wielkopolska Liga Seniorów - III Liga r6-7 | Wojewodztwo Wielkopolskie | POL | 2015-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1683 | 1881 | 0.50 | 1 | -0.26 | 20 | -5.20 | |
| | Kupsik, Joanna | | | 1683 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | Wielkopolska Liga Seniorów - III Liga r10-11 | Wojewodztwo Wielkopolskie | POL | 2015-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1881 | 1.00 | 2 | -0.23 | 20 | -4.60 | |
| | Janicki, Rafal | | | 1481 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Sobierska, Wioletta | | | 2019 | POL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | * 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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