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Individual Calculations December 2017 |
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| Jastrzebski, Zdzislaw Total change: -17.20 | |   |
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| III Wielkopolska Liga Seniorów Round 1-3 | Wielkopolska | POL | 2017-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1917 | 1.50 | 3 | -0.43 | 40 | -17.20 | |
|  Janicki, Rafal | | | 1807 | POL | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Golek, Jagoda | | | 2021 | POL | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Ciesielski, Marceli | | | 1517 * | 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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