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Individual Calculations December 2017 |
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| Mira, Helene Total change: -18.80 | |   |
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| World Senior Female Championship 2017 over 50 | Acqui Terme | ITA | 2017-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2047 | 0.50 | 3 | -0.94 | 20 | -18.80 | |
|  Berend, Elvira | | wg | 2292 | LUX | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Milligan, Helen | c | wf | 1951 | NZL | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Cinar Corlulu, Nilufer | | wm | 1969 | TUR | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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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