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Rapid:
Individual Calculations May 2018 |
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| Porter, Sam J Total change: -19.00 | |   |
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| CCF EASTER RAPID PLAY OPEN | London | ENG | 2018-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1961 | 2.50 | 6 | -0.95 | 20 | -19.00 | |
|  Zhao, Haolin | | | 1561 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Everett, Joe | | | 1727 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Iyengar, Ilya | | | 2009 | ENG | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Williams, Peter A | c | | 2238 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Rizvi, Nasir | | | 1979 | WLS | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Hutchings, Roger M | | | 1837 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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