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Individual Calculations December 2018 |
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| Johnson, Chaya Total change: -21.20 | |   |
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| National Womens' Chess Championships 2018 | Port of Spain | TTO | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1129 | 0.50 | 4 | -0.53 | 40 | -21.20 | |
|  Razark, Sadiqah | | wf | 1171 | TTO | 0.50 | 1 | 0.06 | 40 | 2.40 | |  Saha, Anusha | | | 1344 | TTO | 0.00 | 1 | -0.23 | 40 | -9.20 | | | La Fleur, Zara | | | 1295 | TTO | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Johnson, Gabriella | | wm | 1529 * | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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