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Individual Calculations March 2018 |
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| Bayani, Kuda Total change: -11.20 | |   |
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| 2018 ZIMBABWE OPEN-Open Section | Harare, Zimbabwe | ZIM | 2017-12-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1963 | 1.00 | 3 | -0.80 | 20 | -16.00 | |
|  Musekiwa, Michael | | | 1854 | ZIM | 0.00 | 1 | -0.65 | 20 | -13.00 | |  Chinyama, Donald | | | 1864 | ZIM | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Jele, Tapiwa | | | 1956 | ZIM | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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) | | | | 2018 BMI Lesotho Open Chess Championship Prestige Section | Maseru | LES | 2018-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 2004 | 3.50 | 5 | 0.24 | 20 | 4.80 | |
| | Maepe, Thabang | | | 1617 | LES | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Khalema, Sechaba | | | 1751 | LES | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Mbedza, Richard | c | | 1950 | MAW | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Simon, Bokamoso | | | 1974 | BOT | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Masango, Spencer | | | 2062 | ZIM | 0.00 | 1 | -0.42 | 20 | -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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