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Individual Calculations January 2015 |
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| Openshaw, David K Total change: -2.40 | |   |
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| 24th Hampstead Weekend Congress: Under 2200 | London | ENG | 2014-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1873 | 1.50 | 3 | -0.12 | 20 | -2.40 | |
|  Landau, Jonathan | | | 1966 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Chapman, Nigel | | | 1774 | SCO | 1.00 | 1 | 0.36 | 20 | 7.20 | |  Grundy, Thomas | | | 1790 | SCO | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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