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Individual Calculations March 2018 |
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| Williams, A. Howard Total change: -18.40 | |   |
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| 47th Dyfed Open | Goodwick | WLS | 2018-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2274 | 3.50 | 5 | -0.92 | 20 | -18.40 | |
|  Fowler, Hugo | | | 1874 * | WLS | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Hurn, Robert Aj | | | 1874 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thomas, Roy | | | 1874 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bourne, Johnathan D | | | 1957 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Rayner, Francis | | | 2043 | WLS | 0.50 | 1 | -0.29 | 20 | -5.80 | | | * 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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