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Individual Calculations March 2019 |
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| Watkins, Peter Total change: -10.80 | |   |
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| 48th Dyfed Open | Fishguard | WLS | 2019-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1581 | 1.00 | 4 | -0.27 | 40 | -10.80 | |
|  Taylor, Robert Graham | | | 1809 | WLS | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Philpin, Les | | | 1702 | WLS | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Denham, Colin | | | 1653 | WLS | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Greatorex, Roger | | | 1713 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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