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Individual Calculations January 2011 |
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| Hristov, Nikolay Valeriev Total change: -14.10 | |   |
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| World Youth Chess Championships 2010 - Open under 12 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1913 | 3.00 | 6 | -0.98 | 15 | -14.70 | |
|  Ballas, Athanasios-Panagiotis | | | 1690 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Donchenko, Alexander | | | 2204 | GER | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Mager, Denis | | | 1678 | GER | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Zisiadis, Dimitrios | | | 1675 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Lenaerts, Lennert | | | 1770 | BEL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Kelires, Andreas | | | 1704 | CYP | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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) | | | | Team Ch boys U12 | Borovets | BUL | 2010-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1913 | 1.50 | 2 | 0.04 | 15 | 0.60 | |
| | Dochev, Delyan | | | 1689 | BUL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Petrov, Vladimir Sergeev | | | 1781 | BUL | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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