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Individual Calculations November 2019 |
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| Ikageng, Mabengane Total change: 20.40 | |   |
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| 2019 DEBSWANA DEVELOPMENTAL BOTSWANA INTERNATIONAL OPEN CHESS CHAMPIONSHIPS-OPEN SECTION | GABORONE | BOT | 2019-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1742 | 1544 | 1.50 | 4 | 0.51 | 40 | 20.40 | |
|  Maswabi, Opelo | | | 1732 | BOT | 0.50 | 1 | 0.24 | 40 | 9.60 | |  Mokgathi, Kebonyephenyo | | | 1764 | BOT | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Ngakane, Dan | | | 1687 | RSA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Chunga, Abel | | | 1783 | BOT | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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