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Individual Calculations September 2018 |
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| Douglas, Markland Total change: -9.60 | |   |
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| William Roper Memorial 2018 National Senior Championship | KINGSTON | JAM | 2018-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1767 | 3.00 | 10 | -0.48 | 20 | -9.60 | |
|  Lindo, Terence | | | 1654 | JAM | 1.00 | 1 | 0.35 | 20 | 7.00 | |  Matthews, Shane | f | | 2167 * | JAM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Byfield, Geoffrey | | | 2006 | JAM | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Diedrick, Michael | | | 1820 | JAM | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Wilkinson, Ian | | | 1853 | JAM | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Lindo, Terence | | | 1654 | JAM | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Matthews, Shane | f | | 2167 * | JAM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Byfield, Geoffrey | | | 2006 | JAM | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Diedrick, Michael | | | 1820 | JAM | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Wilkinson, Ian | | | 1853 | JAM | 0.00 | 1 | -0.38 | 20 | -7.60 | | | * 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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