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Individual Calculations January 2020 |
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| De Abreu, Roberto N Total change: 27.80 | |   |
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| 2019 South African Closed Chess Championship (Open) | Cape Town | RSA | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 2126 | 6.00 | 11 | 1.39 | 20 | 27.80 | |
|  Khumalo, Keith | c | | 2148 | RSA | 0.50 | 1 | 0.03 | 20 | 0.60 | |  Barrish, Daniel | f | | 2363 | RSA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Solomon, Kenny | g | | 2373 | RSA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Pon, Matt | f | | 2189 | RSA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Kobese, Watu | m | | 2342 | RSA | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Gluckman, Paul | f | | 1943 | RSA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Klaasen, Calvin John | f | | 2247 | RSA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Bezuidenhout, Roland | f | | 2200 | RSA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | James, Michael | | | 1929 | RSA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Hercules, Benjamin Vincent | | | 2209 | RSA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Bhawoodien, Mohamed Ozayr | f | | 2129 | RSA | 1.00 | 1 | 0.50 | 20 | 10.00 | |
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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