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Individual Calculations July 2017 |
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| Buumba, Obrian Total change: -97.60 | |   |
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| ZONE 4.3 OPEN TOURNAMENT | Lusaka | ZAM | 2017-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1973 | 1.00 | 7 | -2.44 | 40 | -97.60 | |
|  Bwalya, Gillan | m | | 2281 | ZAM | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Musende, Gershom | | | 2070 | ZAM | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Kameya, Robson | | | 2110 | ZAM | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Phiri, Gift | | | 1751 | ZAM | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Siamayuwa, Eric | | | 1890 | ZAM | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Muyenga, Bright | | | 1946 | ZAM | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Ndhlovu, Kondwelani | | | 1840 | ZAM | 0.00 | 1 | -0.68 | 40 | -27.20 | |
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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