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Individual Calculations January 2017 |
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| Cahyadi Total change: -56.80 | |   |
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| JAPFA CHALLENGER CHESS TOURNAMENT 2016 | JAKARTA | INA | 2016-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1694 | 1800 | 0.50 | 3 | -1.42 | 40 | -56.80 | |
|  Nyimas Sonya, Nafa | | | 1788 | INA | 0.00 | 1 | -0.52 | 40 | -20.80 | |  Tarimo, Didik Widiarso | | | 1571 | INA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Rasyid, Nuraini | | | 1723 | INA | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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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