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Individual Calculations February 2017 |
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| Ngonga, Bornface Total change: 11.40 | |   |
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| Copperbelt Open Chess Championship - 2016 | Ndola | ZAM | 2016-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2078 | 2.50 | 6 | -0.50 | 20 | -10.00 | |
|  Patrick, Ngandu | | | 2047 | ZAM | 1.00 | 1 | 0.46 | 20 | 9.20 | |  Phiri, Godwin | c | | 2221 | ZAM | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Mwansa, Mambwe | | | 1895 | ZAM | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Simulundu, Judah | | | 2096 | ZAM | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Chumfwa, Kelvin | m | | 2288 | ZAM | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Goma, Panji | | | 1917 | ZAM | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | | | Copperbelt Elite Chess Monthly Tournament - January 2017 | Ndola | ZAM | 2017-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2099 | 6.50 | 9 | 1.07 | 20 | 21.40 | |
| | Kaoma, Micheal | | | 2150 | ZAM | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Lwamfwe, Kabwe | | | 2002 | ZAM | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Zulu, Thomas | | | 2113 | ZAM | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Nsakanya, Chanda | | | 2058 | ZAM | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Patrick, Ngandu | | | 2047 | ZAM | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Mutambo, Webster | | | 2001 | ZAM | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Nyimbili, Dalington | c | | 2066 | ZAM | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Mulenga, Chileshe Rapheal | c | | 1891 | ZAM | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Nyirenda, Alick | | | 1853 | ZAM | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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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