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Individual Calculations September 2019 |
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| Friedgood, David Total change: 11.20 | |   |
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| 106th British Championships Over 65 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2177 | 5.50 | 7 | 0.56 | 20 | 11.20 | |
|  Skinner, Nicholas H | | | 1905 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | |  De Coverly, Roger D | | | 1928 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Jones, Chris | | | 2036 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Burnett, Jim | | | 2018 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Wager, John D | | | 2014 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Emerson, Roger | | | 2181 | ENG | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Hewson, Brian Wr | | | 2035 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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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