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Individual Calculations March 2015 |
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| Matseme, Tshepo Total change: -16.20 | |   |
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| Piet Robbertse Open Chess Tournament 2015 | Pretoria | RSA | 2015-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1883 | 1.00 | 4 | -0.81 | 20 | -16.20 | |
|  Hercules, Benjamin Vincent | | | 2086 | RSA | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Masungwini, Michael T | | | 1995 | RSA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Ristovich, Dmitar S. | | | 1904 | RSA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Sadie, Johan Jacobus Hendrik | | | 1692 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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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