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Individual Calculations February 2018 |
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| Williams, Jordan Total change: 3.20 | |   |
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| John Powell Memorial 2018 [Open] | Kingston, Jamaica | JAM | 2018-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1615 | 1.50 | 4 | 0.16 | 20 | 3.20 | |
|  Lungrin, Rashade | | | 1786 | JAM | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Roberts, Rohan | | | 1738 | JAM | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Hall, Odane | | | 1760 | JAM | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Smith, Annesha | | wc | 1667 | JAM | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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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