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Individual Calculations December 2019 |
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| Watson, Gabriella Total change: 21.60 | |   |
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| The Jamaica International Open 2019 - FIDE U-1600 Section | Kingston, Jamaica | JAM | 2019-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1042 | 1.00 | 3 | 0.54 | 40 | 21.60 | |
|  Graham, Michael | | | 1266 | JAM | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Dakin, Errol | | | 1353 | JAM | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Lyn, Anthony | c | | 1416 | JAM | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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