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Individual Calculations February 2017 |
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| Watson, Jacob Total change: -13.20 | |   |
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| London Junior Chess Championships Christmas Open, Under 18-21 | London | ENG | 2016-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1841 | 2.00 | 5 | -0.18 | 40 | -7.20 | |
|  Chakanyuka, Charles | | | 2042 | ZIM | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Burnett, Jim | | | 2110 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Newell, David F | | | 1912 | ENG | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Modi, Shyam | | | 1769 | ENG | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Balaji, Aaravamudhan | | | 1634 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | 2016/17 4NCL Division 4 South Rounds 3-4 | Reading | ENG | 2017-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1803 | 1.00 | 2 | -0.15 | 40 | -6.00 | |
| | Vallis, Luke | | | 1472 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Vachtfeidl, Petr | | | 1982 | CZE | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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