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Individual Calculations March 2021 |
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| Gruca, Karol Total change: -30.40 | |   |
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| Walentynkowy Turniej Szachowy dla Juniorow U12 | Dobczyce | POL | 2021-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1083 | 1131 | 1.50 | 4 | -0.76 | 40 | -30.40 | |
|  Polakiewicz, Blanka | | | 1037 | POL | 1.00 | 1 | 0.37 | 40 | 14.80 | |  Wasiluk, Dominik | | | 1115 | POL | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Jamrozik, Maciej | | | 1146 | POL | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Kretowicz, Daria | | | 1035 | POL | 0.00 | 1 | -0.63 | 40 | -25.20 | |
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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