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Individual Calculations March 2018 |
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| Jones, Dewi Total change: 3.60 | |   |
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| 47th Dyfed Open | Goodwick | WLS | 2018-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1512 | 0.50 | 3 | 0.09 | 40 | 3.60 | |
|  Haigh, Tony | | | 1799 | WLS | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Taylor, Robert Graham | | | 1906 | WLS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Buttell, David | | | 1782 | WLS | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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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