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Individual Calculations January 2015 |
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| Jurgensen, Graham Total change: 4.20 | |   |
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| Chess Excellence Summer Cup 2014 | Johannesburg | RSA | 2014-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 2070 | 2.50 | 4 | -0.58 | 20 | -11.60 | |
|  Oberholzer, Imarie | | wf | 1670 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Essa, Naseem Ahmed | | | 1670 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Ristovich, Dmitar S. | | | 1910 | RSA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Mthunzi, Brighton | | | 2048 | RSA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | * 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) | | | | London Chess Classic 2014 FIDE Open | London | ENG | 2014-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2070 | 3.00 | 6 | 0.79 | 20 | 15.80 | |
| | Amato, Andrea | f | | 2338 | ITA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Klingher, Dominic | | | 1799 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Wall, Tim P | f | | 2276 | ENG | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Zumsande, Martin | m | | 2428 | GER | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Constantinou, Peter | f | | 2276 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Othman, Mustapha | | | 1973 | NGR | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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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