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Individual Calculations December 2019 |
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| Jezierski, Colum Total change: 7.80 | |   |
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| Central London Chess Congress (Open Section) 2019 | London | ENG | 2019-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 1900 | 1.50 | 4 | 0.39 | 20 | 7.80 | |
|  Lucchi, Lorenzo | | | 2118 | ITA | 1.00 | 1 | 0.78 | 20 | 15.60 | |  Stewart, Ashley | | | 2163 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Wilks, Simon | | | 2071 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Ortiz Sanchez, Luis | | | 1942 | ESP | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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