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Individual Calculations August 2015 |
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| Wilken, Justin Barend Total change: 8.20 | |   |
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| South African Open Chess Championships 2015 | Cape Town | RSA | 2015-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 1970 | 3.50 | 6 | 0.84 | 20 | 16.80 | |
|  Essop, Hishaam | | | 1725 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Van Den Heever, Donovan | m | | 2254 | RSA | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Barrish, Daniel | f | | 2150 | RSA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Klaasen, Calvin Jong | f | | 2163 | RSA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Bouah, Lyndon | c | | 2124 | RSA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Essa, Naseem Ahmed | c | | 1612 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | Tsogo Sun Millionaire Satellite Chess Festival | Johannesburg | RSA | 2015-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1970 | 5.00 | 8 | -0.43 | 20 | -8.60 | |
| | Latela, Kananelo | | | 1622 | LES | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Pesa, Mofoka A. | | | 1876 | RSA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Dykema, Dirkho | | | 1570 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Du Randt, Jeandre | c | | 1896 | RSA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Khanyile, Wandumuzi Siphephelo | | | 1768 | RSA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Tavagwisa, Lawrence | | | 1751 | ZIM | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Solomon, Kenny | g | | 2370 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gluckman, Paul | f | | 1760 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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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