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Individual Calculations September 2017 |
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| Henderson, David Total change: -12.20 | |   |
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| 104th British Championships Over 50 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 2099 | 3.50 | 7 | -0.61 | 20 | -12.20 | |
|  Faldon, David J | | | 1911 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | |  Simons, Martin J | | | 2026 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Shepherd, David | | | 1924 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Chapman, Terry Pd | f | | 2250 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Brooks, Phil J | | | 2191 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Fegan, Chris | | | 2052 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Kennedy, Craig | | | 1855 | SCO | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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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