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Individual Calculations July 2012 |
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| Graham, Amari Total change: 17.70 | |   |
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| 44th National Championship 2012 | Kingston | JAM | 2012-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1824 | 4.00 | 8 | 1.23 | 30 | 36.90 | |
|  Mellace, Andrew | | | 2050 | JAM | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Myers, Peter | | | 2044 | JAM | 0.00 | 1 | -0.22 | 30 | -6.60 | |  Smith, Kenroy | | | 1895 | JAM | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Scott, Bertram | | | 1978 | JAM | 1.00 | 1 | 0.71 | 30 | 21.30 | | | Holness, Mark | c | | 1988 | JAM | 1.00 | 1 | 0.72 | 30 | 21.60 | | | Richards-Porter, Deborah | | wf | 1989 | JAM | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Williams, Walter | | | 1781 | JAM | 1.00 | 1 | 0.44 | 30 | 13.20 | | | Asher, Miguel | | | 1806 | JAM | 1.00 | 1 | 0.47 | 30 | 14.10 | |
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 |
| 2003 | 1824 | 0.00 | 2 | -0.64 | 30 | -19.20 | |
| | Elliott, Warren | f | | 2224 * | JAM | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Williams, Walter | | | 1781 | JAM | 0.00 | 1 | -0.56 | 30 | -16.80 | | | * 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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