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Individual Calculations July 2011 |
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| Pratley, Ian Total change: -14.75 | |   |
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| Coulsdon Winter CC - Division 2a 2011 | Coulsdon | ENG | 2010-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1507 | 1.00 | 4 | -0.59 | 25 | -14.75 | |
|  Selby, Keith | | | 1600 | ENG | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Constable, Christine F | | | 1512 | ENG | 0.00 | 1 | -0.49 | 25 | -12.25 | |  Rhodes, Peter | | | 1705 | ENG | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Houghton, Mark A | | | 1517 | ENG | 0.50 | 1 | 0.01 | 25 | 0.25 | |
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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