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Individual Calculations June 2017 |
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| Parker, Keith Total change: 44.80 | |   |
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| XYChess Open A | Sliema | MLT | 2017-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1804 | 2.50 | 5 | 1.12 | 40 | 44.80 | |
|  Bilunov, Denis B. | | | 2022 | RUS | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Zerafa, Robert | c | | 2030 | MLT | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Sammut Briffa, Peter | | | 2094 | MLT | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Aristegui, Michel | | | 1975 | FRA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | De Paolis, Fabrizio | | | 1789 | ITA | 1.00 | 1 | 0.48 | 40 | 19.20 | |
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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