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Individual Calculations September 2017 |
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| Feavyour, John A Total change: -0.40 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1989 | 3.50 | 7 | -0.02 | 20 | -0.40 | |
|  Hughes, Peter | | | 1749 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Jackson, Oliver A | f | | 2169 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Surtees, Mike J | | | 2084 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Dennis, Nigel W | | | 1785 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Friedgood, David | f | | 2216 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Cooper, John G | | | 1928 | ENG | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Levens, David G | | | 1963 | 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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