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Individual Calculations February 2024 |
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| Van Der Walt, Pierre Total change: -36.20 | |   |
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| 2024 Gauteng Inter-Region Chess Championships (Adult Open) | Pretoria | RSA | 2024-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1993 | 1.00 | 4 | -1.81 | 20 | -36.20 | |
|  Ristovic, Dmitar | | | 2009 | RSA | 0.00 | 1 | -0.48 | 20 | -9.60 | |  Mello, Nkwadi | | | 1587 | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mlahleki, Vusimuzi | | | 1998 | RSA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Waleza, Freddy | | | 1593 * | RSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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