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Individual Calculations August 2015 |
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| Lewis, Mark Mm. Total change: -5.20 | |   |
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| South African Open Chess Championships 2015 | Cape Town | RSA | 2015-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1857 | 3.00 | 8 | -0.13 | 40 | -5.20 | |
|  Takawira, Erick | | | 2153 | ZIM | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Chulis, Alexander | | | 2170 | AUT | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Solomon, Maxwell | c | | 2070 | RSA | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Solomons, Deon | f | | 2156 | RSA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Willenberg, Craig Glen | | | 2021 | RSA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Londt, Christopher P | | | 1694 | RSA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Van Zyl-Rudd, Jack | | | 1693 | RSA | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Mashope, Mpho D. | | | 1677 | RSA | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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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