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Individual Calculations September 2019 |
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| Jones, Chris Total change: -2.40 | |   |
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| 106th British Championships Over 65 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 2036 | 4.50 | 7 | -0.12 | 20 | -2.40 | |
|  Goodwin, Ed H | | | 1825 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | |  Cresswell, Mike J | | | 1685 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Friedgood, David | f | | 2177 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Walkowiak, Adam | | | 1698 | SCO | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Campbell, Ian | | | 1945 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Pickersgill, Adrian O | | | 1948 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Habershon, Paul F | | | 2017 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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