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Individual Calculations March 2019 |
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| Parri, Deio Total change: -6.80 | |   |
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| 48th Dyfed Open | Fishguard | WLS | 2019-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1659 | 1.50 | 5 | -0.34 | 20 | -6.80 | |
|  Byway, Paul V | f | | 2059 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Heap, Gerry | | | 2059 * | WLS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Andrews, Norman G | | | 1605 | ENG | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Roberts, Malcolm A | | | 1630 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Leah, Howard | | | 1613 | WLS | 0.50 | 1 | -0.06 | 20 | -1.20 | | | * 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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