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Individual Calculations October 2019 |
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| Diedrick, Michael Total change: 19.20 | |   |
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| IM Jomo Pitterson Masters Knockout 2019 | Kingston, Jamaica | JAM | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1747 | 3.00 | 4 | 0.64 | 20 | 12.80 | |
|  Downer, Odel | | | 1472 | JAM | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Downer, Odel | | | 1472 | JAM | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Sinclair, Horace | | | 1859 | JAM | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Sinclair, Horace | | | 1859 | JAM | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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) | | | | William Roper Memorial 2019 National Senior Championship | Kingston, Jamaica | JAM | 2019-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1747 | 3.50 | 8 | 0.32 | 20 | 6.40 | |
| | Byfield, Geoffrey | | | 2005 | JAM | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Wheeler, Robert | c | | 2036 | JAM | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Cameron, Frederick | | | 1610 | JAM | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Matthews, Shane | m | | 2147 * | JAM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Diston, Hector | | | 1756 | JAM | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Lindo, Terence | | | 1642 | JAM | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Douglas, Markland | | | 1722 | JAM | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Wilkinson, Ian | | | 1806 | JAM | 0.50 | 1 | 0.08 | 20 | 1.60 | | | * 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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