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Individual Calculations September 2017 |
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| Chapman, Terry Pd Total change: -19.40 | |   |
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| 104th British Championships Over 50 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2250 | 4.00 | 7 | -0.97 | 20 | -19.40 | |
|  Clucas, Reg P | | | 1950 | ENG | 0.50 | 1 | -0.35 | 20 | -7.00 | |  Punnett, Alan K | | | 2043 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Tucker, David S | | | 2009 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Henderson, David | | | 2099 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Lowick Higgie, Charles | | | 1918 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lewis, Andrew P | f | | 2252 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Chandler, Cliff R | | | 2269 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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