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Individual Calculations May 2018 |
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| Helis, Tadeusz Total change: 1.60 | |   |
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| Druzynowe Mistrzostwa Slaska Seniorow 2018 - Ekstraliga Round 7-9 | Silesia | POL | 2018-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 2164 | 1.50 | 3 | 0.08 | 20 | 1.60 | |
|  Kaminski, Piotr | | | 2115 | POL | 1.00 | 1 | 0.43 | 20 | 8.60 | |  Piesik, Piotr | f | | 2371 | POL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Siedlinski, Piotr | | | 2074 | POL | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | |
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