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Individual Calculations February 2018 |
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| Brown, Raehanna Total change: 17.60 | |   |
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| John Powell Memorial 2018 [Open] | Kingston, Jamaica | JAM | 2018-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1438 | 1.00 | 4 | 0.44 | 40 | 17.60 | |
|  Hall, Odane | | | 1760 | JAM | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Roberts, Rohan | | | 1738 | JAM | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Lungrin, Rashade | | | 1786 | JAM | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Rodgers, Andryck | | | 1708 | JAM | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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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