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Individual Calculations December 2019 |
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| Ortiz Sanchez, Luis Total change: 5.40 | |   |
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| Central London Chess Congress (Open Section) 2019 | London | ENG | 2019-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1942 | 2.50 | 5 | 0.22 | 20 | 4.40 | |
|  Villiers, Thomas | c | | 2145 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Morgan, David | | | 1542 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chakanyuka, Charles | | | 2036 | ZIM | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Russell, Christopher | | | 2190 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Jezierski, Colum | | | 1900 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | | | * 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) | | | | 2019/20 4NCL Div 3 South Rounds 1 - 2 | Maidenhead | ENG | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1942 | 1.00 | 2 | 0.05 | 20 | 1.00 | |
| | Fowler, Hugo | | | 1860 | WLS | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Rich, Mark C | c | | 2060 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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