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Individual Calculations March 2020 |
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| Powell, Lloyd Total change: -7.40 | |   |
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| 49th Dyfed Open | Fishguard | WLS | 2020-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 2064 | 3.00 | 5 | -0.37 | 20 | -7.40 | |
|  Barnaby, Nicholas M S | | | 1750 | ENG | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Pinch, David | | | 1667 | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | May, Frank | | | 2019 | WLS | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Heap, Gerry | | | 2111 | WLS | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Hewitt, William | | | 1990 | WLS | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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