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Individual Calculations September 2015 |
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| Openshaw, David K Total change: -19.80 | |   |
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| 102nd British Chess Championships Under 180 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1881 | 0.50 | 2 | -0.99 | 20 | -19.80 | |
|  Pride, Stephen C | | | 1655 | ENG | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Price, Gwilym | | | 1729 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | |
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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