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Individual Calculations December 2016 |
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| Gray, Mark S Total change: 5.00 | |   |
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| Central London Chess Congress Open 2016 | London | ENG | 2016-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2100 | 2.50 | 4 | 0.25 | 20 | 5.00 | |
|  Morris-Hill, Ray | | | 1970 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Jezierski, Colum | | | 1964 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Chapman, Terry P D | f | | 2220 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Niccoli, Tony | | | 2064 | ENG | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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