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Individual Calculations April 2009 |
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| Coats, Robbie J Total change: -8.00 | |   |
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| London Christmas Open | Harrow | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1820 | 1.50 | 4 | -0.32 | 25 | -8.00 | |
|  Tobisch, John | | | 1896 | ENG | 0.00 | 1 | -0.40 | 25 | -10.00 | |  Davda, Rahil P | | | 1821 | ENG | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Burke, Mitchell R | | | 1914 | ENG | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Colter, Nigel | | | 1785 | ENG | 0.50 | 1 | -0.05 | 25 | -1.25 | |
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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