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Individual Calculations December 2016 |
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| Jones, Ian Robert Total change: -20.80 | |   |
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| West Wales Open 2016 | Swansea | WLS | 2016-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 1973 | 2.00 | 4 | -0.52 | 40 | -20.80 | |
|  Buttell, David | | | 1768 | WLS | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Bevan, Peter M | | | 1940 | WLS | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Simon, Marek | | | 1846 | POL | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Turner, Joseph David | | | 1942 | WLS | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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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