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Individual Calculations December 2019 |
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| Davison, Chris Total change: 9.40 | |   |
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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 |
| 2049 | 2044 | 3.00 | 4 | 1.04 | 20 | 20.80 | |
|  Bukojemski, Adam | | | 2211 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Tivillier, Jacques | | | 1842 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Chakanyuka, Charles | | | 2036 | ZIM | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Seymour, Timothy P | | | 2107 | ENG | 1.00 | 1 | 0.59 | 20 | 11.80 | |
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) | | | | 2019/20 4NCL Div 3 South Rounds 1 - 2 | Maidenhead | ENG | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 2044 | 0.50 | 2 | -0.57 | 20 | -11.40 | |
| | Farrand, Tom | | | 2150 | JCI | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Rogozinski, Andrew | | | 1886 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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) | | |
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