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Individual Calculations January 2018 |
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| Nunn, Petra Total change: -30.20 | |   |
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| 9th CSC London Chess Classic: FIDE Open | London | ENG | 2017-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2071 | 2.50 | 7 | -1.51 | 20 | -30.20 | |
|  Donchenko, Alexander | g | | 2471 * | GER | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Sarvesh, Kumar A | | | 1877 | IND | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Newton, Andrew | | | 1886 | SCO | 0.50 | 1 | -0.24 | 20 | -4.80 | | | McKerracher, Douglas | | | 1915 | SCO | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Venkataramanaraju, Haribalu | | | 2205 | IND | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Tobianski, Fabian | | | 1909 | GER | 0.50 | 1 | -0.21 | 20 | -4.20 | | | De Coverly, Roger D | | | 1921 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | * 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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