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Individual Calculations January 2019 |
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| Doran, Chris Total change: 6.40 | |   |
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| Preston Chess Congress 2018 | Preston | ENG | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1959 | 2.00 | 4 | 0.32 | 20 | 6.40 | |
|  Lund, D Brett | | | 2229 | ENG | 0.50 | 1 | 0.33 | 20 | 6.60 | |  Jones, Steven A | | | 2150 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Hymer, Barry | | | 1850 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Patrick, David A | | | 1880 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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