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Individual Calculations September 2017 |
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| Habershon, Paul F Total change: -19.20 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 2018 | 3.50 | 7 | -0.96 | 20 | -19.20 | |
|  Price, Andrew | | | 1795 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Emerson, Roger | | | 2195 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Lightfoot, Malcolm J | | | 1873 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Gamble, Raymond J | | | 1894 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Lawson, Maurice E | | | 1947 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Hughes, Peter | | | 1749 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Cooper, John G | | | 1928 | ENG | 0.50 | 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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