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Individual Calculations March 2018 |
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| Probert, Malcolm Total change: 19.40 | |   |
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| 47th Dyfed Open | Goodwick | WLS | 2018-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1601 | 2.00 | 4 | 0.97 | 20 | 19.40 | |
|  Morcom, Huw | | | 1913 | WLS | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Howell, Alun | | | 1691 | WLS | 1.00 | 1 | 0.62 | 20 | 12.40 | |  Waterfield, John W | | | 1919 | WLS | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Van Kemenade, Julie | | | 1692 | WLS | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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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