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Individual Calculations December 2018 |
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| Rizzoli, Aluna Total change: 5.00 | |   |
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| Central London Chess Congress Open 2018 | London | ENG | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1906 | 2.50 | 5 | 0.25 | 20 | 5.00 | |
|  Russell, Christopher | | | 2150 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Mazur, Maciej | | | 1792 | POL | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Stern, Robert | | | 1829 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Siddharth, Gopakumar | | | 1832 | IND | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Menzies, Colin | | | 2166 | IRL | 0.50 | 1 | 0.32 | 20 | 6.40 | |
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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