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Individual Calculations September 2017 |
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| Macrae, James S Total change: -17.80 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1645 | 0.50 | 6 | -0.89 | 20 | -17.80 | |
|  Pickersgill, Adrian O | | | 1972 | ENG | 0.50 | 1 | 0.37 | 20 | 7.40 | |  Campbell, Ian | | | 1983 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Goodwin, Ed H | | | 1856 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Homolka, Vincent O | | | 1773 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Holland, Ray J | | | 1707 | WLS | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Bielby, Paul R | | | 1916 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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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