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Individual Calculations March 2012 |
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| Holness, Mark Total change: 12.00 | |   |
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| John Powell Memorial Open 2012 | Kingston | JAM | 2012-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1976 | 1.50 | 2 | 0.80 | 15 | 12.00 | |
|  Mellace, Andrew | | | 2059 | JAM | 0.50 | 1 | 0.11 | 15 | 1.65 | |  Brown, Equitable | c | | 2118 | JAM | 1.00 | 1 | 0.69 | 15 | 10.35 | |
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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