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Individual Calculations November 2014 |
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| Buttell, David Total change: 18.00 | |   |
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| 2014 South Wales Autumn Congress | Bridgend | WLS | 2014-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1827 | 2.00 | 4 | 0.90 | 20 | 18.00 | |
|  Tomboline, David | | | 1985 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | |  Ehsandar, Peter | | | 1973 | WLS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Bevan, Peter M | | | 2089 | WLS | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Turner, Joseph David | | | 1949 | WLS | 1.00 | 1 | 0.67 | 20 | 13.40 | |
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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