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Individual Calculations July 2012 |
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| Williams, Walter Total change: 39.90 | |   |
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| 44th National Championship 2012 | Kingston | JAM | 2012-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1781 | 3.00 | 8 | 0.63 | 30 | 18.90 | |
|  Richards-Porter, Deborah | | wf | 1989 | JAM | 0.00 | 1 | -0.23 | 30 | -6.90 | |  Scott, Bertram | | | 1978 | JAM | 1.00 | 1 | 0.75 | 30 | 22.50 | | | Holness, Mark | c | | 1988 | JAM | 1.00 | 1 | 0.77 | 30 | 23.10 | | | James, Stuart | | | 1983 | JAM | 0.00 | 1 | -0.24 | 30 | -7.20 | | | Solomon, Mikhail | | | 2058 | JAM | 0.00 | 1 | -0.17 | 30 | -5.10 | | | Asher, Miguel | | | 1806 | JAM | 0.00 | 1 | -0.47 | 30 | -14.10 | | | Smith, Kenroy | | | 1895 | JAM | 1.00 | 1 | 0.66 | 30 | 19.80 | | | Graham, Amari | | | 1824 | JAM | 0.00 | 1 | -0.44 | 30 | -13.20 | |
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) | | | | Robert Wheeler Open 2012 | Kingston | JAM | 2012-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1781 | 2.00 | 3 | 0.70 | 30 | 21.00 | |
| | Smith, Shreyas | | | 1835 | JAM | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Smith, Melisha | | | 1822 | JAM | 1.00 | 1 | 0.56 | 30 | 16.80 | | | Graham, Amari | | | 1824 | JAM | 1.00 | 1 | 0.56 | 30 | 16.80 | |
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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