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Individual Calculations December 2018 |
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| Morgan, David Total change: -2.00 | |   |
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| Central London Chess Congress Open 2018 | London | ENG | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1540 | 1.00 | 4 | 0.53 | 40 | 21.20 | |
|  Lim, Mark | | | 1800 | ENG | 0.50 | 1 | 0.32 | 40 | 12.80 | |  McKerracher, Douglas | | | 1878 | SCO | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Jezierski, Colum | | | 1938 | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Martelli, Tommaso | | | 1931 | ITA | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | 67th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1540 | 0.50 | 4 | -0.58 | 40 | -23.20 | |
| | Rubeck, Jonathan | | | 1813 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Devenney, Martin | | | 1643 | SWE | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Paleri, Adithya P | | | 1661 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Jekel, Wolfgang | | | 1770 | GER | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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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