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Individual Calculations March 2016 |
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| Douglas, Markland Total change: -30.00 | |   |
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| Frederick Cameron Open 2015 | Kingston, Jamaica | JAM | 2015-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1819 | 2.50 | 6 | -0.86 | 20 | -17.20 | |
|  Wilson, Brandon | c | | 2122 | JAM | 1.00 | 1 | 0.86 | 20 | 17.20 | |  Byfield, Geoffrey | | | 2027 | JAM | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Iheonunkwu, Chimaobi | | | 1533 | JAM | 0.00 | 1 | -0.84 | 20 | -16.80 | | | McDonald, Jhustice-Dimonte | | | 1596 | JAM | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Lindo, Terence | | | 1640 | JAM | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Hall, Odane | | | 1718 | JAM | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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) | | | | John Powell Memorial Open 2016 | Kingston, Jamaica | JAM | 2016-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1819 | 0.50 | 3 | -0.64 | 20 | -12.80 | |
| | Richards, Deborah | | wm | 2012 | JAM | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Davy, Damion | f | | 2180 | JAM | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Whyms, Chappell | | | 1590 | BAH | 0.50 | 1 | -0.29 | 20 | -5.80 | |
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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