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Individual Calculations October 2017 |
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| Hastilow, Sarah Total change: -20.40 | |   |
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| CCF LATE SUMMER LONG PLAY CONGRESS MINOR | London | ENG | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1120 | 1159 | 2.00 | 4 | -0.21 | 20 | -4.20 | |
|  Denford, Les | | | 1032 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | |  Charles, Gregory M | | | 1278 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Couchman, Andrew A | | | 1099 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Freeman, Michael A | | | 1069 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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) | | | | CCF WINTER CHESS 2017-18 SEPTEMBER 2017 | London | ENG | 2017-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1159 | 0.00 | 2 | -0.81 | 20 | -16.20 | |
| | Couchman, Andrew A | | | 1099 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Yu, Leo | | | 1367 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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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