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Individual Calculations September 2017 |
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| Shakespeare, John S Total change: 13.40 | |   |
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| 104th British Championships Over 50 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 1930 | 3.00 | 7 | 0.63 | 20 | 12.60 | |
|  Mason, Donald J | | | 2129 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | |  Page, Mark E | | | 2124 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Simons, Martin J | | | 2026 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Peacock, Malcolm R | | | 2051 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Dilleigh, Stephen P | | | 2075 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Tucker, David S | | | 2009 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Clucas, Reg P | | | 1950 | 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) | | | | 53rd Berks & Bucks Chess Congress Championship | Maidenhead | ENG | 2017-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 1930 | 2.50 | 6 | 0.04 | 20 | 0.80 | |
| | Verma, Aditya | | | 2063 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Gibson, Christopher A | | | 1955 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Faulkner, Martin J | | | 1857 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Peters, Stephen G | | | 2073 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Lentzos, Ioannis | | | 2029 | GRE | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Varney, Zoe | | | 2005 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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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