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Individual Calculations May 2015 |
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| Alessandro, Sergio Total change: -43.00 | |   |
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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 |
| 1676 | 1709 | 1.00 | 6 | -2.15 | 20 | -43.00 | |
|  Ruffenach, Alain | | | 1959 | FRA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Ahlqvist, Esa | | | 1930 | FIN | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Elsayed, Islam | | | 1982 | EGY | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Nezosi, Christophe | | | 1321 | FRA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Javadzade, Rufan | | | 1409 | AZE | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Alhazzaa, Abdulrahman | | | 1454 | KUW | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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