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Rapid:
Individual Calculations January 2018 |
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| Barrett, Ariel Total change: 3.20 | |   |
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| DRP Ladies Chess Festival 2017 | Kingston | JAM | 2017-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1511 | 1800 | 1.00 | 1 | 0.16 | 20 | 3.20 | |
|  Blackwood, Ashanti | | | 1511 | JAM | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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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