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Individual Calculations January 2020 |
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| Cohen, Lawrence S Total change: -5.00 | |   |
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| 11th CSC London Chess Classic: Weekend Open | London | ENG | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1824 | 1.50 | 4 | 0.38 | 20 | 7.60 | |
|  Bonn, Thomas B | | | 2199 | FRA | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Edwards, Simon R | | | 1957 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Johansson, Toni | | | 2000 | SWE | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Metcalfe, Charlie P | | | 1867 | ENG | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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) | | | | 11th CSC London Chess Classic: Weekday Under 2050 | London | ENG | 2019-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1824 | 1.50 | 4 | -0.63 | 20 | -12.60 | |
| | Shepley, Julien M | | | 1916 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Mata, Andrew B | | | 1756 | ENG | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Valjee, Ashir V | | | 1484 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Iyengar, Ilya | | | 1982 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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