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Individual Calculations March 2018 |
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| Jones, Iolo C Total change: -22.20 | |   |
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| 47th Dyfed Open | Goodwick | WLS | 2018-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 2206 | 3.00 | 5 | -1.11 | 20 | -22.20 | |
|  Jones, Martin C | | | 1806 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Miles, Richard | | | 1960 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Musson, Adam J | | | 2020 | WLS | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Rayner, Francis | | | 2043 | WLS | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Buttell, David | | | 1806 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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