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Individual Calculations March 2015 |
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| Powell, Lloyd Total change: -13.00 | |   |
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| 44th Dyfed Chess Congress | Goodwick | WLS | 2015-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 2128 | 3.00 | 5 | -0.65 | 20 | -13.00 | |
|  Van Kemenade, Julie | | | 1729 | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Waterfield, John W | | | 1923 | WLS | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Heap, Gerry | | | 2085 | WLS | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Bourne, Johnathan D | | | 1970 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Van Kemenade, Rudy | | | 1981 | WLS | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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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