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Individual Calculations September 2017 |
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| Costley, Martin O Total change: -100.00 | |   |
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| 104th British Championships Major Open | Llandudno | ENG | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 2124 | 5.00 | 9 | -2.50 | 40 | -100.00 | |
|  Hughes, Gavin James | | | 1849 | ENG | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Stoyanov, Viktor | | | 1919 | ENG | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Young, Daniel J | | | 1963 | ENG | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Blake, J Morgan | | | 1833 | ENG | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Metcalfe, Charlie P | | | 1724 * | ENG | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Forster, James Connor C | | | 1862 | RSA | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Graham, William M | | | 1840 | ENG | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Raghavendra, Mahima G | | | 1724 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gosling, Brian Ge | | | 1825 | ENG | 1.00 | 1 | 0.15 | 40 | 6.00 | | | * 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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