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Individual Calculations March 2015 |
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| Hercules, Benjamin Vincent Total change: -3.60 | |   |
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| Piet Robbertse Open Chess Tournament 2015 | Pretoria | RSA | 2015-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2086 | 4.00 | 6 | -0.18 | 20 | -3.60 | |
|  Matseme, Tshepo | | | 1883 | RSA | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Chettiar, Evasan | | | 1886 | RSA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Nelson, Jaco | | | 1962 | RSA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Khanyile, Wanda | | | 1745 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Solo, Muzenda | | | 1821 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Johannes Manyedi, Mabusela | m | | 2244 | RSA | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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