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Individual Calculations January 2013 |
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| Holness, Mark Total change: -3.90 | |   |
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| Jamaica Open 2012 | Negril | JAM | 2012-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1962 | 1.00 | 3 | -0.26 | 15 | -3.90 | |
|  Sinclair, Devlin | | | 2203 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Gray, Krishna | | | 1720 | JAM | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Davy, Damion | c | | 2142 | JAM | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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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