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Individual Calculations January 2020 |
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| Koyra, Petos Total change: -63.20 | |   |
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| The 2019 Kenya National Chess Championship - Open | Nairobi | KEN | 2019-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1487 | 1603 | 1.50 | 5 | -1.58 | 40 | -63.20 | |
|  Okoth, Jackson | | | 1604 | KEN | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Muniu, Solomon Thuo | | | 1203 * | KEN | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Singe, Philip Mbawala | | | 1872 | KEN | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Geoffrey , Mosongoh | | | 1203 * | KEN | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Gicheru, Kennedy | | | 1551 | KEN | 0.00 | 1 | -0.57 | 40 | -22.80 | | | * 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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