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Blitz:
Individual Calculations May 2013 |
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| Selby, Keith Total change: 9.40 | |   |
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| CCF Open Blitz April 2013 | Coulsdon | ENG | 2013-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1480 | 1.00 | 4 | 0.47 | 20 | 9.40 | |
|  Porter, Sam J | | | 1861 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Head, Louise | | | 1754 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Wallis, David | | | 1774 | ENG | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Cork, David J | | | 1817 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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