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Individual Calculations February 2018 |
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| De Abreu, Roberto N Total change: 30.20 | |   |
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| 2017 SA Inter Regional | Boksburg | RSA | 2018-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2101 | 5.50 | 6 | 1.51 | 20 | 30.20 | |
|  Mbedza, Richard | c | | 1970 | MAW | 1.00 | 1 | 0.32 | 20 | 6.40 | |  February, Jesse Nikki | | wm | 1862 | RSA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Hercules, Benjamin Vincent | | | 2174 | RSA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Zwakala, Ntando | | | 2048 | RSA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Kleinsmidt, Cherwin | | | 1887 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Lekalakala, Ernest | | | 1886 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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