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Individual Calculations September 2016 |
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| Valentine, Brian J Total change: -10.60 | |   |
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| 103rd British Championships Over 50 | Bournemouth | ENG | 2016-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1981 | 3.50 | 7 | -0.53 | 20 | -10.60 | |
|  Horlock, Peter J | | | 1604 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Chapman, Terry Pd | f | | 2232 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Bielby, Paul R | | | 1885 | ENG | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Barton, R Alan | | | 1976 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Mahoney, Nicholas | | | 1748 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Humphreys, Jerry | | | 2054 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Newell, David F | | | 1908 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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