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Individual Calculations January 2019 |
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| Lynch, Justin Total change: -12.60 | |   |
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| 2018 South African Junion Chess Championships (u20A) | Boksburg | RSA | 2018-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1880 | 1.00 | 3 | -0.63 | 20 | -12.60 | |
|  Waters, Anre | | | 1662 | RSA | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Kolver, Chris | c | | 2111 | RSA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Van Der Lingen, Cornelis Petrus | | | 1776 | RSA | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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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