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Individual Calculations January 2019 |
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| Mutambo, Webster Total change: 42.60 | |   |
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| Bank of Zambia Christmas Open Chess Tournament | Ndola | ZAM | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1943 | 4.00 | 5 | 2.13 | 20 | 42.60 | |
|  Mulenga, Prince Daniel | | | 2219 | ZAM | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Mwansa, Mambwe | | | 2098 | ZAM | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Bupe, Chibomba | | | 1718 | ZAM | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Nyirenda, Alick | | | 2041 | ZAM | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Ngonga, Bornface | | | 2131 | ZAM | 1.00 | 1 | 0.74 | 20 | 14.80 | |
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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