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Individual Calculations January 2019 |
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| Heron, Donald Total change: 27.00 | |   |
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| CCF Coulsdon Christmas LP Congress Open | London | ENG | 2018-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1813 | 2.50 | 4 | 1.35 | 20 | 27.00 | |
|  Atako, Chino C | | | 2099 | ENG | 1.00 | 1 | 0.84 | 20 | 16.80 | |  Unnikrishnan, Midhun P | | | 2010 | IND | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Wilson, Matthew R | | | 1807 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Stock, Tobias W | | | 2027 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | |
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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