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Individual Calculations August 2022 |
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| Southey, Andrew M. Total change: -67.20 | |   |
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| 2022 South African Open Chess Championships (Open) | Cape Town | RSA | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1755 | 3.50 | 9 | -3.36 | 20 | -67.20 | |
|  De Villiers, Charles | f | | 2110 | RSA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Ressel, Tane | | | 1497 | RSA | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Chironda, Sean Kudzai | | | 1422 | RSA | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Van Schaik, Michael | | | 1552 | RSA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Geyser, Jacobus Marthinus | | | 1396 | RSA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Waguta, Brooklyn | | | 1538 | RSA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Morgan, Nathan | | | 1366 | RSA | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Nel, Rowan | | | 1530 | RSA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Strong, Davida | | | 1355 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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