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Individual Calculations February 2018 |
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| Rodgers, Andryck Total change: -13.40 | |   |
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| John Powell Memorial 2018 [Open] | Kingston, Jamaica | JAM | 2018-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1708 | 1.00 | 2 | -0.67 | 20 | -13.40 | |
|  Walsh, Nathan | | | 1425 | JAM | 0.00 | 1 | -0.84 | 20 | -16.80 | |  Brown, Raehanna | | | 1438 | JAM | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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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