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Individual Calculations August 2013 |
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| Jacobs, Kevin T Total change: -40.50 | |   |
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| Commonwealth and South African Open 2013 (Open Section) | Port Elizabeth | RSA | 2013-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1832 | 0.00 | 3 | -1.77 | 30 | -53.10 | |
|  Fedorchuk, Sergey A. | g | | 2232 * | UKR | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Grobbelaar, Jacqui | | | 1450 | RSA | 0.00 | 1 | -0.91 | 30 | -27.30 | |  Selkirk, Rebecca | | | 1612 | RSA | 0.00 | 1 | -0.78 | 30 | -23.40 | | | * 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) | | | | DSK Open (Prestige group) | Cape Town | RSA | 2013-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1832 | 2.00 | 4 | 0.42 | 30 | 12.60 | |
| | Chipanga, Chiletso | c | | 2069 | MAW | 1.00 | 1 | 0.80 | 30 | 24.00 | | | Willenberg, Kenneth Sean | | | 2150 | RSA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Khuphwathea, Paul C. | | | 1840 | MAW | 0.00 | 1 | -0.49 | 30 | -14.70 | | | Gluckman, Paul | f | | 1634 | RSA | 1.00 | 1 | 0.24 | 30 | 7.20 | |
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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