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Individual Calculations July 2017 |
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| Barrett, Ariel Total change: -16.80 | |   |
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| Robert Wheeler Open 2017 | Kingston, Jamaica | JAM | 2017-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1721 | 1.00 | 3 | -0.84 | 20 | -16.80 | |
|  Wilkinson, Ian | | | 1915 | JAM | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Lobban, Brandon | | | 1569 | JAM | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Lewis, Nathan | | | 1374 | JAM | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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) | | |
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