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Individual Calculations May 2015 |
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| Zygourakis, Themistoklis Total change: 56.80 | |   |
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| 2015 World Amateur Chess Championships - Open | Porto Carras - Halkidiki | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1603 | 4.00 | 8 | 2.84 | 20 | 56.80 | |
|  Havumaki, Jani | | | 1918 | FIN | 1.00 | 1 | 0.86 | 20 | 17.20 | |  Magallanes, Gustavo | | | 1950 | ARG | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Bourogaa, Younes | | | 1871 | FRA | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Nikoleris, Evangelos | | | 1915 | GRE | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Ossa, Vladimir | | | 1946 | COL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Gibbs, Dominic V | | | 1982 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Mohnblatt, Daniel | | | 1845 | FRA | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Fernandes, Silvio | | | 1855 | ANG | 1.00 | 1 | 0.81 | 20 | 16.20 | |
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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