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Individual Calculations January 2022 |
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| Ndaba, Gakologelwang Total change: -27.60 | |   |
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| 2021 Debswana Developmental Botswana International Open Chess Championships- PRESTIGE SECTION | Gaborone | BOT | 2021-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1816 | 1.00 | 5 | -1.38 | 20 | -27.60 | |
|  Mapini, Otsile | c | | 2017 | BOT | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Seane, Tumelo | | | 1915 | BOT | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Mokgedi, Tsaone | | | 1758 | BOT | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Elias, Thabo | c | | 1838 | BOT | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Thembani, Major | | | 1639 | BOT | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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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