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Individual Calculations January 2020 |
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| Lewis, Mark Mm. Total change: -13.60 | |   |
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| 2019 South African Closed Chess Championship (Senior) | Cape Town | RSA | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1966 | 8.00 | 11 | -0.68 | 20 | -13.60 | |
|  Solomon, Maxwell | c | | 1999 | RSA | 0.50 | 1 | 0.05 | 20 | 1.00 | |  Pick, Deon | | | 1807 | RSA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Galleid, Stephen | | | 1588 | RSA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Willenberg, Roland C. | | | 1739 | RSA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Willenberg, Glen I. | | | 1644 | RSA | 0.50 | 1 | -0.37 | 20 | -7.40 | | | November, Edwin J. | | | 1618 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Schutte, Andre | | | 1859 | RSA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Southey, Andrew M. | | | 1758 | RSA | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Ohlson, Cecil | | | 1566 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Meiboom, Gerrit | | | 1720 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Talmarkes, Andrew Graham | | | 1591 | RSA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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