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Individual Calculations April 2018 |
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| Jurgensen, Graham Total change: 5.20 | |   |
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| Boardwalk Pearson High School Chess Tournament 2018 (A) | Port Elizabeth | RSA | 2018-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 2003 | 3.50 | 5 | 0.26 | 20 | 5.20 | |
|  Malgas, Glenwell | | | 1753 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Nelson, Jaco | | | 1849 | RSA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Basson, Heinrich | | | 1917 | RSA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Longano, Michael Nicholas | | | 2006 | RSA | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Masiya, Mfundo | | | 1930 | RSA | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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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