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Individual Calculations January 2019 |
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| Chola, Kafwimbi Total change: -12.40 | |   |
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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 |
| 1713 | 1603 | 1.50 | 5 | -0.31 | 40 | -12.40 | |
|  Sichone, Paul | | | 1769 | ZAM | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Mubita, Mwangelwa | | | 1973 | ZAM | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ngambi, Victor | | | 1761 | ZAM | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Mayoche, Monica | | | 1301 | ZAM | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Kenneth, Tembo | | | 1759 | ZAM | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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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