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Individual Calculations December 2022 |
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| Jefremov, Aivar Total change: 32.80 | |   |
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| Coulsdon Chess Dicky White - November | London | ENG | 2022-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1649 | 2.00 | 2 | 0.70 | 20 | 14.00 | |
|  Darville, Matt | | | 1738 | ENG | 1.00 | 1 | 0.62 | 20 | 12.40 | |  Premananthan, Ashmithan | | | 1249 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Central London Chess Congress - Imperial College - Major | London | ENG | 2022-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1636 | 2.00 | 4 | 0.94 | 20 | 18.80 | |
| | McKerracher, Douglas | | | 1785 | SCO | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Hall, Antony C | | | 1794 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Jezierski, Colum | | | 1908 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Cooper, Malcolm H | | | 1783 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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