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Individual Calculations February 2017 |
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| Modwell, Mukumbi Total change: 19.20 | |   |
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| Copperbelt Open Chess Championship - 2016 | Ndola | ZAM | 2016-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 1894 | 4.00 | 7 | 1.78 | 40 | 71.20 | |
|  Phiri, Godwin | c | | 2221 | ZAM | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Kandangwe, Joster | | | 1975 | ZAM | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Penjemali, Haggai | | | 2030 | ZAM | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Lemmy, Chishala | | | 2086 | ZAM | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Mpanga, Kasao | | | 2069 | ZAM | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Mwali, Chitumbo | m | | 2294 * | ZAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mumba, Micheal | | | 1674 | ZAM | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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) | | | | Second Phase National Team Trials - 2017 | Ndola | ZAM | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1894 | 0.50 | 5 | -1.30 | 40 | -52.00 | |
| | Simulundu, Judah | | | 2096 | ZAM | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Brighton, Chiumya | | | 2008 | ZAM | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Goodson, Kalolo | | | 1947 | ZAM | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Humphrey, Mulenga | | | 2065 | ZAM | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Lackson, Sinkutwa | | | 1882 | ZAM | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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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