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Individual Calculations October 2017 |
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| Porter, Sam J Total change: -11.20 | |   |
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| CCF LATE SUMMER LONG PLAY CONGRESS OPEN | London | ENG | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1980 | 2.00 | 4 | -0.56 | 20 | -11.20 | |
|  Watson, Mikey J | | | 1706 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Hand, Freddie | | | 2166 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Watson, Jacob | | | 1762 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Foster, Timothy | | | 1842 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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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