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Individual Calculations July 2012 |
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| Grattage, Matthew Total change: -15.60 | |   |
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| e2e4 London Diamond Jubilee Congress Premier | London | ENG | 2012-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2002 | 3.50 | 9 | -1.04 | 15 | -15.60 | |
|  Taylor, Adam A | | | 1869 | ENG | 0.50 | 1 | -0.18 | 15 | -2.70 | |  Burrows, Martin P | | | 2134 | ENG | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Talbot, Andrew R | | | 2158 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | McDonald, Ian | | | 1840 | SCO | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Karayiannis, Costas | | | 2167 | ENG | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Matthew, Ian G | | | 1930 | ENG | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Goodger, Martyn | | | 2091 | ENG | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Kalaiyalahan, Akshaya | | | 1646 | ENG | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Humphreys, Jerry G | | | 2080 | ENG | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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