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Individual Calculations February 2019 |
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| Robinson, David Total change: -6.80 | |   |
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| South Wales New Year Open 2019 | Bridgend | WLS | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1912 | 2.00 | 4 | -0.34 | 20 | -6.80 | |
|  Morgans, Justin | | | 1653 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Bullen, Alex | c | | 2081 | WLS | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Van Kemenade, Rudy | | | 1946 | WLS | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Chong, Kimberly | | | 1682 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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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