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Individual Calculations March 2017 |
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| Miles, Richard Total change: 1.60 | |   |
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| 46th Dyfed Open 2017 | Fishguard | WLS | 2017-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1983 | 2.00 | 4 | 0.08 | 20 | 1.60 | |
|  May, Frank | | | 2103 | WLS | 0.50 | 1 | 0.16 | 20 | 3.20 | |  Kett, Tim | | | 2193 | WLS | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Philpin, Les | | | 1719 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Spencer, Douglas | | | 1962 | WLS | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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