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Individual Calculations April 2020 |
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| Ollyn, Onalethata Total change: 78.80 | |   |
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| 2020 North Botswana Chess Extravaganza- Open Section | Palapye | BOT | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1425 | 3.00 | 6 | 1.97 | 40 | 78.80 | |
|  Mokgathi, Kebonyephenyo | | | 1595 | BOT | 1.00 | 1 | 0.72 | 40 | 28.80 | |  Neo, Neo | | | 1825 * | BOT | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Mabetu, Puso | | | 1825 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rongwane, Gomolemo | | | 1825 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Magowe, Thabang | | | 1588 | BOT | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Mariri, Thabo | | | 1639 | BOT | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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