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Individual Calculations March 2017 |
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| Barrett, Leighton Total change: 21.20 | |   |
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| John Powell Memorial Open 2017 | Kingston | JAM | 2017-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1661 | 1.00 | 3 | 0.53 | 40 | 21.20 | |
|  Richards, Deborah | | wm | 2036 | JAM | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Campbell, Kevron | | | 1896 | JAM | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Blackwood, Ryan | | | 1934 | 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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