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Individual Calculations December 2019 |
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| Ellames, Roy Total change: 6.40 | |   |
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| Preston Chess Congress 2019 | Preston | ENG | 2019-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2035 | 2.00 | 4 | 0.16 | 40 | 6.40 | |
|  Clarke, Brandon G I | m | | 2431 | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Peacock, Malcolm R | | | 2037 | ENG | 0.50 | 1 | 0.00 | 40 | 0.00 | |  Ross, Stuart | | | 1635 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jowett, Peter E | | | 2150 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | | | * 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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