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Individual Calculations February 2019 |
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| Graff, Coby Total change: 38.40 | |   |
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| London Christmas Chess Congress Open Under 18-21 | London | ENG | 2018-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1606 | 2.00 | 6 | 0.96 | 40 | 38.40 | |
|  Rushbrooke, Remy | | | 1909 | ENG | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Dhemrait, Jagdeep | | | 1825 | ENG | 0.50 | 1 | 0.28 | 40 | 11.20 | |  Isaksen, Peter A | | | 1898 | ENG | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Dias, Savin | | | 1903 | ENG | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Giles, Yasmin | | | 1942 | ENG | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Kirupakaran, Vishnu | | | 1794 | ENG | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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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