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Rapid:
Individual Calculations August 2017 |
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| Van Zyl-Rudd, Jack Total change: 75.40 | |   |
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| 2017 Rapid African Individual Chess Championships "Open" | Oran | ALG | 2017-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1614 | 4.50 | 9 | 3.77 | 20 | 75.40 | |
|  Degondo, Simplice Armel | f | | 2014 * | CIV | 1.00 | 1 | 0.92 | 20 | 18.40 | |  Cawdery, Daniel | m | | 2014 * | RSA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Mwali, Chitumbo | m | | 2014 * | ZAM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Moulay, Mehdi | | | 1998 | ALG | 1.00 | 1 | 0.91 | 20 | 18.20 | | | Belouadah, Saad | m | | 2014 * | ALG | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Haddouche, Mohamed | g | | 2014 * | ALG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Silva, David | m | | 2014 * | ANG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Saim, Mohamed Ilias | f | | 2014 * | ALG | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Bouzidi, Ahmed | c | | 2014 * | TUN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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