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Individual Calculations August 2021 |
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| Ratkovic, Petar Total change: -3.80 | |   |
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| Serbia OPEN 2021 - AMATEUR | Beograd | SRB | 2021-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1959 | 4.00 | 6 | -0.19 | 20 | -3.80 | |
|  Vujanovic, Anastasija | | | 1559 * | SRB | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Medic, Relja | | | 1559 * | SRB | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Durrfeld, Sofie Bech | | | 1793 | DEN | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Ozen, Sadettin Alperen | | | 1622 | TUR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Anand, Batsukh | | | 1965 | MGL | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Lazic, Ljubisa | | | 2141 | SRB | 0.50 | 1 | 0.24 | 20 | 4.80 | | | * 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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