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Individual Calculations September 2017 |
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| Levens, David G Total change: -4.00 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 1963 | 3.50 | 7 | -0.20 | 20 | -4.00 | |
|  Berry, Stephen H | f | | 2293 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Gamble, Raymond J | | | 1894 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Bielby, Paul R | | | 1916 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Ribbands, Patrick C | | | 1755 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Fisher, C Phillip | | | 1729 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Barton, R Alan | | | 2043 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Feavyour, John A | | | 1989 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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