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Individual Calculations December 2013 |
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| Simpson, Derek Total change: -7.95 | |   |
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| e2e4 Gatwick U1950 November 2013 | Gatwick, London | ENG | 2013-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1579 | 0.50 | 3 | -0.53 | 15 | -7.95 | |
|  Cork, David J | | | 1800 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Higgs, Joshua | | | 1829 | ENG | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Purvis, Anna | | | 1491 | ENG | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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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