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Individual Calculations January 2018 |
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| Couchman, Andrew A Total change: -11.40 | |   |
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| CCF CHRISTMAS LONG PLAY CONGRESS - MAJOR | London | ENG | 2017-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1169 | 0.50 | 5 | -0.57 | 20 | -11.40 | |
|  Yu, Leo | | | 1376 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Howes, David J | | | 1482 | ENG | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Johnson, Elizabeth | | | 1369 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Athawale, Amit H | | | 1495 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Yu, Tim | | | 1294 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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