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Individual Calculations March 2020 |
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| Bourne, Johnathan D Total change: 26.60 | |   |
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| 49th Dyfed Open | Fishguard | WLS | 2020-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1904 | 3.00 | 4 | 1.33 | 20 | 26.60 | |
|  Probert, Malcolm | | | 1565 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Waddington, Mike P | f | | 2046 | ENG | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Young, Alan | | | 2051 | WLS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Jones, Iolo C | f | | 2163 | WLS | 1.00 | 1 | 0.82 | 20 | 16.40 | |
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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